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Eunseok Lee

Eunseok Lee (eunseok@mit.edu) received the B.S. degree in electrical engineering from the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea, in 2020, and the M.S. degree in electrical engineering and computer science (EECS) from the Massachusetts Institute of Technology (MIT), Cambridge, MA, USA, in 2023, where he is currently pursuing the Ph.D. degree. His research focus is mmWave/THz and hardware security systems for low-power ultra-miniaturized platforms, spanning across digital, analog/mixed-signal, and THz ICs.

Honors & Awards:

– Mathwork Fellowship, MIT 2023
– Doctoral Study Abroad Scholarship, Korea Foundation for Advanced Studies 2021
– Irwin Mark Jacobs and Joan Klein Jacobs MIT Presidential Fellowship, MIT 2020
– Undergraduate Scholarship Program, Korea Foundation for Advanced Studies 2015
– KAIST Presidential Fellowship, KAIST 2014
– Korea Presidential Science Scholarship, Korea Student Aid Foundation 2014

Publications:

– E. Lee, X. Chen, M. Ashok, J. Won, A. Chandrakasan, R. Han, “A Packageless Anti-Tampering Tag Utilizing Unclonable Sub-THz Wave Scattering at the Chip-Item Interface”, IEEE Intl. Solid-State Circuit Conf. (ISSCC), San Francisco, CA, Feb. 2024.
– E. Lee, M. I. W. Khan, X. Chen, U. Banerjee, N. Monroe, R. Yazicigil, R. Han and A. Chandrakasan, “A 1.54-mm2, 264-GHz Wake-Up Receiver With Integrated Cryptographic Authentication for Ultra-Miniaturized Platforms”, IEEE Journal of Solid-State Circuits, vol. 59, no. 3, pp. 653-667, Mar. 2024
– E. Lee, M. I. W. Khan, X. Chen, U. Banerjee, N. Monroe, R. Yazicigil, R. Han and A. Chandrakasan, “A 1.54mm2 Wake-Up Receiver Based on THz Carrier Wave and Integrated Cryptographic Authentication”, IEEE Custom Integrated Circuit Conf. (CICC), San Antonio, TX, Apri. 2023 (Best paper finalist).
– M.I.W. Khan, E. Lee, N.M. Monroe, A.P. Chandrakasan, R. Han, “A Dual-Antenna, 263GHz Energy Harvester in CMOS for Ultra-Miniaturized Platforms with 13.6% RF-to-DC Conversion Efficiency at -8dBm Input Power,” IEEE Radio-Frequency Integrated Circuit Symposium (RFIC), Denver, CO, Jun. 2022.
– D. Kim*, E. Lee*, J.Kim, P. Park, and S. Cho, “A Sleep Apnea Monitoring IC for Respiration, Heart-Rate, SpO2 and Pulse-Transit Time Measurement Using Thermistor, PPG and Body-Channel Communication,” IEEE Sensors Journal, vol. 20, no. 4, pp. 1997-2007, Feb. 2020.

Ava Bowen

Email: avabowen@mit.edu
Office: 39-527

Pradyot Yadav

Pradyot Yadav (yadavps@mit.edu) received his B.S. in electrical engineering with highest honors from the Georgia Institute of Technology, Atlanta, GA, USA, in 2022. He is currently working toward his Ph.D. at the Massachusetts Institute of Technology. Pradyot has been involved in RF / high frequency circuit design since he was a sophomore in high school. At Georgia Tech, he worked with Professor Hua Wang and Professor James Kenney on GaN power amplifier design. His current research interests lie at the intersection of sub-THz devices, circuits, and heterogeneous integration. He is involved in the full continuum of chip design from transistor fabrication in the cleanroom, to the design of circuits, to advanced package processing. He has held several R&D internships at companies such as Qorvo, Raytheon, and IBM. Yadav has served as a reviewer for the IEEE Electron Device Letters. He was also the chair of the 2024 MIT MTL MARC Conference and served on the 2021 IEEE MTT-S IMS steering committee. Aside from his academic research interests, Yadav is an avid electronic design consultant having previously worked on health care monitoring systems and compact, high-voltage x-ray power supply designs.

Awards

•2023 SRC Jump 2.0 CHIMES Annual Review Best Poster

•2023 IEEE MTT-S Graduate Fellowship

•2023 National Defense and Science Graduate (NDSEG) Fellowship (accepted)

•2023 National Science Foundation (NSF) Graduate Research Fellowship (received)

•2022 Georgia Tech Electrical and Computer Engineering (ECE) Best Undergraduate Research Award

•2021 Barry Goldwater Scholarship

•2020 Intel Andy Grove Scholarship

•2020 NSF Registration Award RFIC

•2019 1st Place IEEE International Microwave Symposium (IMS) High Efficiency Power Amplifier (HEPA) Design Competition

•2018 Eagle Scout

Publications

P. Yadav, Q. Xie, J. Niroula, G. K. Micale, H. Pal and T. Palacios, “First Demonstration of GaN RF HEMTs on Engineered Substrate,” 2023 Device Research Conference (DRC), Santa Barbara, CA, USA, 2023, pp. 1-2, doi:10.1109/DRC58590.2023.10186940, Oral Presentation.
P. Yadav et al. “RF GaN HEMTs on Engineered Substrate for High Temperature Applications,” ICNS14,Fukuoka, Japan. Oral Presentation.
Q. Xie, M. Yuan, J. Niroula, B. Sikder, S. Luo, K. Fu, N. Rajput, A. B. Pranta, P. Yadav, Y. Zhao, N. Chowdhury, and T. Palacios, “Towards DTCO in high temperature GaN-on-Si technology: arithmetic logic unit at 300°C and CAD framework up to 500°C”, 2023 Symposium on VLSI Technology and Circuits (VLSI 2023), Oral Presentation.
J. Niroula, Q. Xie, M. Yuan, P. Yadav, T. Palacios, “High Temperature Modeling of Commercial GaN HEMTsUsing an Enhanced MVSG Framework”, GOMACTech 2023 Conference, Oral Presentation.
P. Yadav, T. Palacios, “Heterogeneous Integration of GaN and Si CMOS for RF Front Ends above 300 GHz,” Semiconductor Research Corporation (SRC) Techcon 2023, Oral Presentation.
P. Yadav, “Optimizing the Doherty Amplifier: Design of a 3-GHz GaN Doherty Amplifier Achieving 60% Efficiency,” in IEEE Microwave Magazine, vol. 21, no. 2, pp. 88-95, Feb. 2020, doi: 10.1109/MMM.2019.2953348.1st Place IEEE MTT-S IMS HEPA Student Design Competition

Matthew Cox

Matthew Cox (coxm@mit.edu) received the S.B. degree in Electrical Engineering from MIT in 2023, and is currently pursuing an M.Eng. He has interned at Analog Devices developing a new topology of analog buffer. His academic interests include analog, RF, and power electronics.

Lejla Skelic

Lejla Skelic (lejla@mit.edu) received her B.S. degree in Electrical Engineering and Computer Science from Massachusetts Institute of Technology (MIT) and is currently pursuing an M.Eng in the same department at MIT. Her research interests include computer systems and security, applied machine learning (ML), and nanotechnology. She has done research and internships with MIT and Analog Devices (ADI) that focused on multi-level ML algorithm optimization, nanodevice fabrication process development, device performance evaluation and optimization, and ML application for understanding device performance and limitations.

Yan Xu

Yan Xu (yanx1326@mit.edu) received the B.S. degree in Microelectronics Science and Engineering from the University of Electronic Science and Technology of China in 2023. She is currently pursuing a Ph.D. degree in the Department of Electrical Engineering and Computer Science (EECS) with the Massachusetts Institute of Technology (MIT). During her Bachelor’s degree, she did the internship as a research assistant in Rice Integrated Systems and Electromagnetics (RISE) Lab, working on Implantable Wireless Data Transfer.

Jaehong Jung

Jaehong Jung (jung0214@mit.edu) received the B.S. and M.S. degrees in semiconductor systems engineering from Sungkyunkwan University, Suwon, South Korea, in 2015 and 2017, respectively. He is currently pursuing a Ph.D. degree in electrical engineering and computer science with the Massachusetts Institute of Technology, Cambridge, MA, USA. Since 2017, he has been with Samsung Electronics, Hwaseong, South Korea, where he has focused on developing high-quality clock generation ICs including PLLs, DLLs, on-chip oscillators, and crystal oscillators for SoC platforms and RF transceivers. His research interests include high-speed serial links, clock generation ICs, ultra-low power ICs, and fully synthesized calibration algorithms.

AWARDS

- - Recipient of Ph.D. Fellowship from Samsung Electronics.
  - IEEE ISSCC 2022 Anantha P. Chandrakasan Award for Outstanding Distinguished-Technical-Paper.
  - Samsung Best Paper Awards.
  - Undergraduate Deans Award for Honors from Information and Communication Engineering.

PUBLICATIONS

- - K. Lee, J. Jung, G. Kim, J. Kim, S. Kim, S. Oh, S.-M. Park and J. Lee, “A Wide Frequency Range, Small Area, and Low Supply Memory Interface PLL Using a Process and Temperature Variation Aware Current Reference in 3nm Gate-All-Around CMOS,” IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2023.
  - J. Jung, K. Lee, G. Kong, B. Lim, S. Kim, S. Oh and J. Lee, “A 2.4-to-4.2GHz 440.2fs-Integrated-Jitter 4.3mW Ring-Oscillator-Based PLL Using a Switched-Capacitor-Bias-Based Sampling PD in 4nm FinFET CMOS,” IEEE Symposium on VLSI Technology and Circuits (VLSI), Jun. 2023.
  - K. Lee, J. Jung, S. Kim, S. Oh, J. Lee, and S.-M. Park, “A 208-MHz, 0.75-mW Self-Calibrated Reference Frequency Quadrupler for a 2-GHz Fractional-N Ring-PLL in 4nm FinFET CMOS,” IEEE Transactions on Circuits and Systems II (TCAS-II), Early Access, 2023.
  - J. Jung, S. Kim, W. Kim, J. Han, E. Park, S. Hwang, S. Oh, S. Han, K. Lee, J. Huh and J. Lee, “A 52MHz -158.2dBc/Hz PN @ 100kHz Digitally Controlled Crystal Oscillator Utilizing a Capacitive-Load-Dependent Dynamic Feedback Resistor in 28nm CMOS,” IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2022.
  - J. Jung, S. Oh, J. Kim, G. Ha, J. Lee, S. Kim, E. Park, J. Lee, Y. Yoon, S. Bae, W. Kim, Y. Lim, K. Lee, J. Huh, J. Lee and T.-B. Cho, “(Session 3, Highlighted) A Single-Crystal-Oscillator-Based Clock-Management IC with 18x Start-Up Time Reduction and 0.68ppm/°C Duty-Cycled Machine-Learning-Based RCO Calibration,” IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2022.
  - J. Jung, S. Jung, K. Lee, J. Jung, S. Kim, B. Han, S. Oh and J. Lee, “A 4GHz 0.73ps-Integrated-Jitter PVT-Insensitive Fractional-N Sub-Sampling Ring PLL with a Jitter-Tracking DLL-Assisted DTC,” IEEE Symposium on VLSI Circuits (VLSI), Jun. 2020.
  - S. Han, J. Jang, J. Lee, D. Jeong, J. Lee, J. Lee, C. Lau, J. Han, S. Lee, J. Bae, I. Cho, S.-Y. Lee, S. Kim, J. Lee, Y. Lee, J. Jung, J. Huh, J. Lee, T.-B. Cho and I. Kang, “An RF Transceiver with Full Digital Interface Supporting 5G New Radio FR1 with 3.84Gbps DL/1.92Gbps UL and Dual-Band GNSS in 14nm FinFET CMOS,” IEEE Symposium on VLSI Circuits (VLSI), Jun. 2020.
  - B. Sung, C. Lo, J. Lee, S. Jung, S. Kim, J. Jung, S. Bae, Y. Cho, Y. Lim, D. Choi, M. Shin, S. Choi, B. Han, S. Oh and J. Lee, “A Blocker-Tolerant Direct Sampling Receiver for Wireless Multi-Channel Communication in 14nm FinFET CMOS,” IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2019.
  - S. Jung, J. Jung, B. Han, S. Oh and J. Lee, “A 9.4MHz-to-2.4GHz Jitter-Power Reconfigurable Fractional-N Ring PLL for Multi-Standard Applications in 7nm FinFET CMOS Technology,” IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 2019.
  - J. Jin, X. Jin, J. Jung, K. Kwon and J.-H. Chun, “A 750-Mb/s to 3.0-Gb/s Dual-Mode Temperature-Tolerant Referenceless CDR with a Deadzone-Compensated Frequency Detector,” Student Research Preview (SRP) Presentation in IEEE International Solid-State Circuits Conference (ISSCC), Feb. 2018.
  - J. Jin, X. Jin, J. Jung, K. Kwon, J. Kim and J.-H. Chun, “A 0.75–3.0Gb/s Dual-Mode Temperature-Tolerant Referenceless CDR with a Deadzone-Compensated Frequency Detector,” IEEE Journal of Solid-State Circuits (JSSC), vol. 53, no. 10, Oct. 2018.
  - J. Jung, I.-H. Kim, S.-J. Kim, Y. Lee and J.-H. Chun, “A 1.08-nW/kHz 13.2-ppm/°C Self-Biased Timer Using Temperature-Insensitive Resistive Current,” IEEE Journal of Solid-State Circuits (JSSC), vol. 53, no. 8, Aug. 2018.
  - J. Jin, X. Jin, S.-H. Kim, I.-H. Kim, J. Jung, K. Kwon and J.-H. Chun, “A 17.5-Gb/s Transceiver with a MaxEye-Based Autonomous Adaptation,” IEEE International Symposium on Circuits and Systems (ISCAS), May 2017.
  - I.-H. Kim, J. Jung, S.-H. Kim and J.-H. Chun, “An On-Chip Jitter Tolerance Test Circuit for Mobile and Video Interfaces,” IEEE International Conference on Consumer Electronics-Asia (ICCE-Asia), Oct. 2016.

Cole Brabec

Cole Brabec (cbrabec@mit.edu) is a PhD student with the Terahertz Integrated Electronics group at MIT. Cole received his B.S. in Electrical Engineering from the California Institute of Technology in 2021. His research focuses include ultrafast optoelectronic systems and sensing theory.

AWARDS

- - 2022 Hertz Finalist
  - 2020 Donald S. Clark Award Caltech

PUBLICATIONS

Panuski, C.L., Christen, I., Minkov, M. et al. A full degree-of-freedom spatiotemporal light modulator. Nat. Photon. 16, 834–842 (2022). https://doi.org/10.1038/s41566-022-01086-9
C. Panuski, I. Christen, S. T. Mills, C. Brabec, M. Minkov, A. Griffiths, J. J. D. McKendry, G. Leake, D. Coleman, C. Tran, J. St Louis, J. Mucci, C. Horvath, J. Westwood-Bachman, S. Preble, M. Dawson, M. Fanto, M. Strain, and D. Englund, “Resonant spatial light modulation with wafer-scale, inverse-designed microcavity arrays,” in Conference on Lasers and Electro-Optics, Technical Digest Series (Optica Publishing Group, 2022), paper SM4P.1.
C. Brabec, C. Panuski and D. Englund, “Optimal Optical Beamsteering with Phase-Amplitude Coupled Elements,” 2022 Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, USA, 2022, pp. 1-2.
Mohamed ElKabbash, Dirk Englund, Sivan Trajtenberg Mills, Christopher L Panuski, Cole Brabec, and Ian R Christen “High-speed electro-optic guided resonance spatial light modulator”, Proc. SPIE PC12196, Active Photonic Platforms 2022, PC1219616 (3 October 2022); https://doi.org/10.1117/12.2640691

Nikita Romanov

Nikita Romanov (romanovn@mit.edu) is a senior-year undergraduate student majoring in Electrical Engineering at the Massachusetts Institute of Technology (MIT). During his undergrad, he completed two internships at Apple Inc, where he designed system-level hardware for the iPhone and an ultra-compact LDO for Apple Silicon. He is interested in electromagnetism, mmWave circuits, analog design & quantum physics.

AWARDS

- - 2018 Asian Physics Olympiad – Silver Medal
  - 2018 International Zhautykov Olympiad in Physics – Silver Medal

Xibi Chen

Xibi Chen (xibichen@mit.edu) is a PhD student at Terahertz Integrated Electronics Group, Microsystem Technology Laboratories (MTL), Department of Electrical Engineering and Computer Science (EECS), Massachusetts Institute of Technology (MIT). He received his B.S. and M.S. degrees from Department of Electronic Engineering, Tsinghua University, Beijing, China, in 2017 and 2020, respectively. He was a Research Assistant at Microwave and Antenna Institute, Department of Electronic Engineering, Tsinghua University, from 2015 to 2020.

AWARDS & Honors

2022 ISSCC Student Travel Grant Award
2022 Analog Devices Outstanding Student Designer Award
2020 Outstanding Graduate Student Award of Tsinghua University
2020 Master Thesis Award of Tsinghua University
2018 Best Student Paper Award of International ACES Symposium
2017 ”Future Scholar” Graduate Fellowship of Tsinghua University
2017 Outstanding Undergraduate Student Award of Tsinghua University
2017 Bachelor Thesis Award of Tsinghua University
2014-2016 Scholarship of Academic Excellence of Tsinghua University
2014 Second Award of University Students Physics Competition in China

PUBLICATIONS

X. Chen, X. Yi, M. I. W. Khan, X. Li, W. Chen, J. Zhu, Y. Yang, K. E. Kolodziej, N. M. Monroe, amd R. Han, “A 140-GHz FMCW TX/RX-Antenna-Sharing Transceiver With Low-Inherent-Loss Duplexing and Adaptive Self-Interference Cancellation,” in IEEE Journal of Solid-State Circuits, vol. 57, no. 12, pp. 3631-3645, Dec. 2022, doi: 10.1109/JSSC.2022.3202814.
E. Lee, M. I. W. Khan, X. Chen, U. Banerjee, N. Monroe, R. Yazicigil, R. Han and A. Chandrakasan, ”A 1.54mm² Wake-Up Receiver Based on THz Carrier Wave and Integrated Cryptographic Authentication”, IEEE Custom Integrated Circuit Conf. (CICC), San Antonio, TX, Apri. 2023.
X. Chen; F. Yang, “FDTD Method for Nonlinear Metasurface Analysis,” in Advances in Time-Domain Computational Electromagnetic Methods , IEEE, 2023, pp.33-79, doi: 10.1002/9781119808404.ch2.
Z. Zhang, L. Dai, X. Chen, C. Liu, F. Yang, R. Schober, and H. Vincent Poor, “Active RIS vs. Passive RIS: Which Will Prevail in 6G?,” in IEEE Transactions on Communications, doi: 10.1109/TCOMM.2022.3231893.
Z. Zhang, L. Dai, X. Chen, C. Liu, F. Yang, R. Schober, and H. Vincent Poor, “Active RISs: Signal Modeling, Asymptotic Analysis, and Beamforming Design,” GLOBECOM 2022 – 2022 IEEE Global Communications Conference, Rio de Janeiro, Brazil, 2022, pp. 1618-1624, doi: 10.1109/GLOBECOM48099.2022.10001687.
X. Chen, M. I. W. Khan, X. Yi, X. Li, W. Chen, J. Zhu, Y. Yang, K. E. Kolodziej, N. M. Monroe, R. Han, ”A 140GHz Transceiver with Integrated Antenna, Inherent-Low-Loss Duplexing and Adaptive Self-Interference Cancellation for FMCW Monostatic Radar”, IEEE Intl. Solid-State Circuit Conf. (ISSCC), San Francisco, CA, Feb. 2022.
N. M. Monroe, G. C. Dogiamis, R. Stingel, P. Myers, X. Chen and R. Han, ”Electronic THz Pencil Beam Forming and 2D Steering for High Angular-Resolution Operation: A 98×98 Unit, 265GHz CMOS Reflectarray with In-Unit Digital Beam Shaping and Squint Correction”, IEEE Intl. Solid-State Circuit Conf. (ISSCC), San Francisco, CA, Feb. 2022.
X. Yi, C. Wang, X. Chen, J. Wang, J. Grajal and R. Han, ”A 220-to-320-GHz FMCW Radar in 65-nm CMOS Using a Frequency-Comb Architecture,” in IEEE Journal of Solid-State Circuits, vol. 56, no. 2, pp. 327-339, Feb. 2021.
X. Chen, F. Yang, M. Li and S. Xu, “Analysis of Nonlinear Metallic Metasurface Elements Using Maxwell-Hydrodynamic Model with Time-Domain Perturbation Method,” in IEEE Transactions on Antennas and Propagation, vol. 68, No. 3, pp. 2213-2223, Mar. 2020.
X. Chen and F. Yang, “Harmonic-Modulated Nonlinear Metasurface Based on Generalized Phase Conjugation Principle”, IEEE International Symposium on Antennas and Propagation & USNC-URSI Radio Science Meeting, Jul. 2019.
X. Chen, F. Yang, M. Li, S. Xu, “FDTD Solver with Time-Domain Perturbation Method for Simulating An All-Optical Switch Realized by Nonlinear Metasurface”, International Applied Computational Electromagnetics Society (ACES) Symposium, Aug. 2018.
X. Chen, F. Yang, M. Li, S. Xu, “A Study of Second-Harmonic Generation in Semiconductor Layer Using FDTD Method with Hydrodynamic Nonlinear Drude Model”, International Applied Computational Electromagnetics Society (ACES) Symposium, Aug. 2017.
H. Zhang, X. Chen, M. Li, F. Yang and S. Xu, “A Compact Dual-Band Folded-Cavity Antenna for Microwave Biomedical Imaging Applications,” IEEE International Conference on Computational Electromagnetics, Mar. 2019.
H. Yang, X. Chen, F. Yang, S. Xu, X. Cao, M. Li, J. Gao, “Design of Resistor-Loaded Reflectarray Elements for Both Amplitude and Phase Control,” in IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 1159-1162, May 2017.
H. Yang, F. Yang, X. Cao, S. Xu, J. Gao, X. Chen, M. Li, T. Li, “A 1600-Element Dual-Frequency Electronically Reconfigurable Reflectarray at X/Ku-Band,” in IEEE Transactions on Antennas and Propagation, vol. 65, no. 6, pp. 3024-3032, Jun. 2017.
H. Yang, X. Cao, F. Yang, J. Gao, S. Xu, M. Li, X. Chen, Y. Zhao, Y. Zheng and S. Li, “A programmable metasurface with dynamic polarization, scattering and focusing control,” in Scientific Reports, Oct. 2016.
F. Yang, Y. Rahmat-Samii, X. Chen, X. Zhang, and H. Xu, “Appendix: Representative Literature Review on Surface Electromagnetics,” in Surface Electromagnetics, edited by Fan Yang and Yahya Rahmat-Samii, Cambridge Press, Jun. 2019.

Mingran Jia

Mingran Jia (mingran@mit.edu) received his B.S. degrees, majoring in Electromagnetic Field and Wireless Technology, from Department of Electronic Science and Engineering, University of Electronic Science and Technology of China, China in 2021. He is currently pursuing the Ph.D. degree at Microsystem Technology Laboratories (MTL), Department of Electrical Engineering and Computer Science (EECS), Massachusetts Institute of Technology (MIT).

PUBLICATIONS

- - M. Jia, Y. Dong, X. Luo,” Multilayer Composite Right/Left-Hand Transmission Line with Novel Characteristics”, 2022 IEEE MTT-S International Microwave Symposium (IMS)
  - M. Jia, J. Zhang and Y. Dong, “A Compact and Broadband Balun Based on Multilayer SIW,” in IEEE Microwave and Wireless Components Letters.
  - J. Zhang, M. Jia, Y. Dong, “Implementation of Left-Handed Transmission Lines based on Waveguide TM Modes,” in Microw Opt Technol Lett.
  - M. Jia, Y. Dong, T. Yang,” Balun power divider with Ultra-wideband”, US Patents.

Daniel Sheen

Daniel Sheen (dsheen@mit.edu) received his B.S in Electrical Science and Engineering in 2019, and his M.Eng in Electrical Engineering and Computer Science in 2021, both from the Massachusetts Institute of Technology (MIT). During his Master’s degree he worked at Haystack Observatory, where he designed the UHF phased array feed currently used at the Westford Radio Telescope. Following graduation, he worked at Diversified Technologies inc. developing high power solid state microwave amplifier systems. Since the Fall of 2022 he has returned to MIT to pursue a PhD as an Analog Devices Graduate Fellow in the Electrical Engineering and Computer Science Department, working with MITs Haystack Observatory and the Terahertz Integrated Electronics Group.

AWARDS

2022 Analog Devices Graduate Fellowship

PUBLICATIONS

- D. B. Sheen, “A UHF Multimode Array Feed for the Westford Radio Telescope,” Massachusetts Institute of Technology, 2021 https://hdl.handle.net/1721.1/139341.
- M. D’Asaro, D. Sheen, and J. Lang, “A fully-shielded flexible and stretchable microwave transmission-line tactile pressure sensor,” Proc. IEEE Sensors, vol. 11, pp. 1–3, 2017.

Xiang Yi

Xiang Yi (S’11–M’13) (xiangyi@mit.edu) received the B.E. degree, M.S. degree and Ph.D. degree from Huazhong University of Science & Technology (HUST) in 2006, South China University of Technology (SCUT) in 2009, Nanyang Technological University (NTU) in 2014, respectively.
He was a Postdoctoral Associate in Massachusetts Institute of Technology (MIT). He was a Research Fellow in NTU from 2014 to 2017. Since 2021, he became a professor at SCUT. His research interests include radio frequency (RF), millimetre-wave (mm-wave), and Terahertz frequency synthesizers and transceivers.

2013, ISSCC 2013 Silkroad Award (the first & the only Silkroad Award in Singapore)
2013, IEEE Solid-State Circuits Society Student Travel Grant Award

PUBLICATIONS

X. Yi, C. C. Boon, H. Liu, J. Lin, and W. M. Lim, “A 57.9-to-68.3 GHz 24.6 mW frequency synthesizer with in-phase injection-coupled QVCO in 65 nm CMOS Technology,” IEEE J. Solid-State Circuits, vol. 49, no. 2, pp.347–359, Feb. 2014.
X. Yi, C. C. Boon, H. Liu, J. Lin, J. C. Ong, and W. M. Lim, “A 57.9-to-68.3GHz 24.6mW frequency synthesizer with in-phase injection-coupled QVCO in 65nm CMOS,” in IEEE ISSCC Dig. Tech. Papers, Feb. 2013, pp. 354–355.
X. Yi, C. C. Boon, J. Sun, N. Huang, and W. M. Lim, “A low phase noise 24/77 GHz dual-band sub-sampling PLL for automotive radar applications in 65 nm CMOS technology,” in Proc. ASSCC, Nov. 2013, pp. 417–420.
X. Yi, C. C. Boon, J. Lin, and W. M. Lim, “A 100 GHz transformer-based varactor-less VCO with 11.2% tuning range in 65nm CMOS technology,” in Proc. ESSCIRC, Sep. 2012, pp. 293–296.
X. Yi, K. Yang, Z. Liang, B. Liu, K. Devrishi, C. C. Boon, C. Li, G. Feng, D. Regev, S. Shilo, F. Meng, H. Liu, J. Sun, G. Hu, and Y. Miao, “A 65nm CMOS carrier-aggregation transceiver for IEEE 802.11 WLAN applications,” in RFIC Symp. Dig. Papers, May. 2016, pp.67–70.
X. Yi, Z. Liang, G. Feng, C. C. Boon, and F. Meng, “A 93.4-to-104.8GHz 57mW fractional-N cascaded sub-sampling PLL with true in-phase injection-coupled QVCO in 65nm CMOS,” in RFIC Symp. Dig. Papers, May 2016, pp.122–125.
X. Yi, C. C. Boon, M. A. Do, K. S. Yeo, and W. M. Lim, “Design of ring-oscillator based injection-locked frequency dividers with single-phase inputs,” IEEE Microw. Wireless Compon. Lett., vol. 21, no. 10, pp. 559–561, Oct. 2011.
X. Yi, C. C. Boon, G. Feng, and Z. Liang, “An eight-phase in-phase injection-coupled (IPIC) VCO in 65 nm CMOS technology,” IEEE Microw. Wireless Compon. Lett., vol. 27, no. 3, pp. 299–301, Mar. 2017.
X. Yi, C. C. Boon, J. Lin, M. A. Do, K. S. Yeo, and W. M. Lim, “A divide-by-two injection-locked frequency divider with 13-GHz locking range in 0.18-μm CMOS technology,” in IEEE Proc. of ISIC, Dec. 2011, pp. 216–219.
X. Yi, X. Chen, and R. Yao, “Frequency-adjustable clock oscillator based on frequency-to-voltage converter,” IET Electron. Lett., vol. 45, no. 11, pp. 530–532, Nov. 2009.
C. C. Boon and X. Yi, “A 10-67 GHz 1.44 mW 20.7 dB gain VGA-embedded downconversion mixer with 40 dB variable gain range,” IEEE Microw. Wireless Compon. Lett., vol. 24, no. 7, pp. 466–468, Jul. 2014.
X. Yi, R. Yao, “A high precision clock oscillator based on frequency-to-voltage converter,” Microelectronics, vol. 39, no. 3, pp. 344–347,351, Mar. 2009.
N. Huang, C. C. Boon, and X. Yi, “A dual-band 24 and 77 GHz CMOS LNA for automotive radars,” in Int. Conf. on Electronics, Information and Communication (ICEIC), Feb. 2013, pp. 44–45.
N. Huang, C. C. Boon, and X. Yi, “Formulas for the analysis of effect of feedback on noise performance,” in Int. Conf. on Electronics, Information and Communication (ICEIC), Feb. 2013, pp. 1–3.
N. Huang, X. Yi, C. C. Boon, X. Zhao, J. Sun, and G. Feng, “Design of a fully integrated CMOS dual K- and W- band lumped Wilkinson power divider,” in IEEE Int. Midwest Symp. Circuits Syst., Aug. 2013, pp. 788–791.
H. Liu, X. Zhu, C. C. Boon, X. Yi, M. Mao, and W. Yang, “Design of ultra-low phase noise and high power integrated oscillator in 0.25μm GaN-on-SiC HEMT technology,” IEEE Microw. Wireless Compon. Lett., vol. 24, no. 2, pp. 120–122, Feb. 2014.
J. Lin, C. C. Boon, X. Yi, and L. W. M., “A compact single stage V-band CMOS power amplifier with 9.6dBm output power & 17.3% efficiency,” IEEE Microw. Wireless Compon. Lett., vol. 24, no. 3, pp. 182–184, Mar. 2014.
J. Lin, C.C. Boon, X. Yi, and G. Y. Feng, ” A 50GHz – 59 GHz CMOS injection locking power amplifier,” IEEE Microw. Wireless Compon. Lett., vol. 25, no. 1, pp. 52–54, Jan. 2015.
H. Liu, X. Zhu, C. C. Boon, X. Yi, “Design of an oscillator with low phase noise and medium output power in a 0.25 µm GaN-on-SiC high electron-mobility transistors technology,” IET Microwaves, Antennas & Propagation, vol. 9, no. 8, pp. 795–801, Aug. 2015.
H. Liu, X. Zhu, C. C. Boon, X. Yi, L. Kong, “A 71 dB 150 μW variable-gain amplifier in 0.18 μm CMOS technology,” IEEE Microw. Wireless Compon. Lett., vol. 25, no. 5, pp. 334–336, May 2015.
N. Huang, X. Yi, C.C. Boon, X. He, G. Feng, W. M. Lim, and X. Zhu, “A CMOS W-band 4X quasi-subharmonic mixer,” IEEE Microw. Wireless Compon. Lett., vol. 25, no. 6, pp. 385–387, Jun. 2015.
J. Sun, C. C. Boon, X. Yi, W. M. Lim and F. Meng, “Design and analysis of a K-band wideband VCO with robust start-up and frequency boost,” IET Microwaves, Antennas & Propagation, vol. 9, no. 14, pp. 1623–1631, Nov. 2015.
J. Sun, C. C. Boon, F. Meng, X. Yi and W. M. Lim, “A V-band CMOS divide-by-three ILFD with frequency-dependent injection enhancement,” IEEE Microw. Wireless Compon. Lett., vol. 25, no. 11, pp. 727–729, Nov. 2015.
J. Sun, C. C. Boon, X. Zhu, X. Yi, K. Devrishi and F. Meng, “A low-power low-phase-noise VCO with self-adjusted active resistor,” IEEE Microw. Wireless Compon. Lett., vol. 26, no. 3, pp. 201–203, Mar. 2016.
G. Feng, C. C. Boon, F. Meng, X. Yi, and C. Li, “An 88.5 -110 GHz CMOS low-noise amplifier for millimeter-wave imaging applications,” IEEE Microw. Wireless Compon. Lett., vol. 26, no. 2, pp. 134–136, Feb. 2016.
H. Liu, X. He, X. Zhu , C. C. Boon, X. Yi and L. Kong, “A wideband analog-controlled variable-gain amplifier with dB-linear characteristic for high-frequency applications,” IEEE Trans. Microw. Theory Tech., vol. 64, no. 2, pp.533–540, Feb. 2016.
N. Huang, C.C. Boon, X. Zhu, X. Yi, X. He, G.Y. Feng, W.M. Lim, B. Liu, “A 65-nm CMOS LNA for bolometer applications,” Journal of Infrared, Millimeter, and Terahertz Waves, vol. 37, no. 4, pp. 356–374, Apr. 2016.
G. Feng, C. C. Boon, F. Meng, and X. Yi, “A 100-GHz 0.21-K NETD 0.9-mW/pixel charge-accumulation super-regenerative receiver in 65-nm CMOS,” IEEE Microw. Wireless Compon. Lett., vol. 26, no. 7, pp. 531–533, Jul. 2016.
F. Meng, K. Ma, K. S. Yeo, C. C. Boon, X. Yi, etc., “A Compact 57-67 GHz bidirectional LNAPA in 65-nm CMOS technology,” IEEE Microw. Wireless Compon. Lett., accepted.
G. Feng, C. C. Boon, F. Meng, and X. Yi, etc., “Pole-Converging Intra-Stage Bandwidth Extension Technique for Wideband Amplifiers,” IEEE J. Solid-State Circuits, vol. 52, no. 3, pp.769–780, Mar. 2017.
D. Regev, S. Shilo, D. Ezri, J. Zhang, X. Yi and C. C. Boon, “Carrier Aggregation Receiver Employing Direct Re-centred Offset Receivers,” 2017 Texas Symposium on Wireless and Microwave Circuits and Systems, March 2017.

Mohamed Elsheikh

Mohamed Elsheikh (m_sheikh@mit.edu) received his B.Sc. and M.Sc. in electronics and electrical communications engineering in 2016 and 2019, from Ain Shams University, Cairo, Egypt. Post-graduation, he worked as a teaching and research assistant at the same department. His research at the Microwaves and Antenna Research Lab (MARL) included the investigation of multi-modal transmission lines for modeling transitions, meta-material structures, and applications to microwave components. Starting from 2019, he’s a Ph.D. student at Electrical Engineering and Computer Science (EECS) department, Massachusetts institute of technology (MIT).
Publications
[1] M. A.G. Elsheikh and A. M.E. Safwat, “Wide-band modeling of SRR-loaded CPW”, IEEE Transactions on Microwave Theory and Techniques, vol. 67, no. 3, pp. 851-860, March 2019.
[2] M. A.G. Elsheikh and A. M.E. Safwat, “Geometrical modeling of strip-loaded CPW and its application to all CPW air-bridge free Wilkinson power dividers,” IEEE Trans. Microw. Theory Techn., vol. 67, no. 8, pp. 3370-3376, Aug. 2019.
[3] M. A.G. Elsheikh, A. M.E. Safwat and Hadia Elhennawy, “High-Efficiency AMC Loaded Dipole Above FR4 substrate”, International Journal of Microwave and Wireless Technologies, pp. 1–7.

Mina Kim

Mina Kim (minahkim@mit.edu)was born in Ulsan, Korea, in 1992. She received the B.S. degree (summa cum laude) and M.S. degree in electrical engineering from Ulsan National Institute of Science and Technology (UNIST), Korea, in 2013 and 2016. Her research interests include innovative mm-wave and THz integrated circuit and system designs. From Sep. 2017, She is a Ph.D. student at Massachusetts Institute of Technology (MIT).
Publications

Y. Lee, H. Yoon, M. Kim, and J. Choi, “A PVT-Robust Low Reference Spur Injection-Locked Clock Multiplier Using a Voltage-Domain Period-Calibrating Loop”, IEEE Symp. VLSI Circuits Dig., Jun. 2016
M. Kim, S. Choi, and J. Choi, “A Low-Jitter and Fractional-Resolution Injection-Locked Clock Multiplier Using a DLL-Based Real-time PVT-Calibrator with Replica-Delay Cells,” IEEE J. Solid-State Circuits, Oct. 2015
M. Kim, S. Choi, and J. Choi, “A 450-fs jitter PVT robust fractional-resolution injection-locked clock multiplier using a DLL-based calibrator with replica-delay-cells”, in IEEE Symp. VLSI Circuits DIg., Jun. 2015
Y. Lee, M. Kim, T. Seong and J. Choi, “A Low Phase Noise Injection-Locked Programmable Reference Clock Multiplier with a Two-Phase PVT-Calibrator for ¥Ä¥Ò PLLs”, IEEE Transactions on Circuits and Systems I (IEEE T-CAS I), Mar. 2015

Jinchen Wang

Jinchen Wang (jinchen@mit.edu) received the B.Eng. degree in electronic information engineering from the University of Electronic Science and Technology of China in 2019, and the B.Eng. degree with ﬁrst-class honors in electronics and electrical engineering from the University of Glasgow in 2019. He is currently pursuing the Ph.D. degree with the Department of Electrical Engineering and Computer Science, MIT. His research interests include RF/mmW/THz circuits, algorithms, and systems for radar imaging, wireless communication, quantum computing, and other novel applications. He was also a recipient of the IEEE Microwave Theory and Technique Society Undergraduate/Pre-Graduate Scholarship Award in 2019.

Publications:
1. X. Yi, J. Wang, C. Wang, K. E. Kolodziej and R. Han, “A 3.4–4.6GHz In-Band Full-Duplex Front-End in CMOS Using a Bi-Directional Frequency Converter,” 2020 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), Los Angeles, CA, USA, 2020, pp. 47-50.
2. X. Yi, C. Wang, X. Chen, J. Wang, J. Grajal and R. Han, “A 220-to-320-GHz FMCW Radar in 65-nm CMOS Using a Frequency-Comb Architecture,” in IEEE Journal of Solid-State Circuits.
3. X. Yi, C. Wang, M. Lu, J. Wang, J. Grajal and R. Han, “4.8 A Terahertz FMCW Comb Radar in 65nm CMOS with 100GHz Bandwidth,” 2020 IEEE International Solid- State Circuits Conference – (ISSCC), San Francisco, CA, USA, 2020, pp. 90-92.
4. C. Li, F. You, J. Wang, J. Huang and S. He, “Third-order complex delta-sigma modulator with arbitrary poles and zeros placement,” in Electronics Letters, vol. 56, no. 2, pp. 71-73, 23 01 2020.
5. J. Peng, S. He, W. Shi, T. Yao, J. Wu and J. Wang, “Adaptive Signal Separation for Dual-Input Doherty Power Amplifier,” in IEEE Transactions on Microwave Theory and Techniques, vol. 68, no. 1, pp. 121-131, Jan. 2020.
6. C. Li, F. You, J. Peng, J. Wang, M. F. Haider and S. He, “Co-Design of Matching Sub-Networks to Realize Broadband Symmetrical Doherty With Configurable Back-Off Region,” in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 67, no. 10, pp. 1730-1734, Oct. 2020.
7. W. Shi, S. He, J. Peng and J. Wang, “Digital Dual-Input Doherty Configuration for Ultrawideband Application,” in IEEE Transactions on Industrial Electronics, vol. 67, no. 9, pp. 7509-7518, Sept. 2020.
8. C. Li, F. You, S. He, X. Tang, W. Shi and J. Wang, “High-Efficiency Power Amplifier Employing Minimum-Power Harmonic Active Load Modulator,” in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 66, no. 8, pp. 1371-1375, Aug. 2019.
9. C. Li, F. You, X. Zhu, J. Wang and S. He, “Design of Broadband Doherty Power Amplifier with Extended Efficiency Range Employing Asymmetric Structure,” 2018 Asia-Pacific Microwave Conference (APMC), Kyoto, 2018, pp. 452-454.
10. J. Wang, S. He, F. You, W. Shi, J. Peng and C. Li, “Codesign of High-Efficiency Power Amplifier and Ring-Resonator Filter Based on a Series of Continuous Modes and Even–Odd-Mode Analysis,” in IEEE Transactions on Microwave Theory and Techniques, vol. 66, no. 6, pp. 2867-2878, June 2018.
11. J. Wang, S. He and D. Gan, “A 2.4/3.5/5.2/5.8-GHz quad-band BPF using SLRs and triangular loop resonators,” in Electronics Letters, vol. 54, no. 5, pp. 299-301, 8 3 2018.
12. J. Wang, Y. Guan, H. Yu, N. Li, S. Wang, C. Shen, Z. Dai, D. Gan, R. Yang, S. He and G. Zhang, “Transparent graphene microstrip filters for wireless communications,” in Journal of Physics D: Applied Physics, 50(34), p.34LT01, 2017.
13. J. Wang, Y. Guan and S. He, “Transparent 5.8 GHz filter based on graphene,” 2017 IEEE MTT-S International Microwave Symposium (IMS), Honololu, HI, 2017, pp. 1653-1655.

Muhammad Ibrahim Wasiq Khan

Ibrahim (ibrahimw@mit.edu) received the B.E. degree (Hons.) in Electrical Engineering from the National University of Science and Technology (NUST), Islamabad, Pakistan in 2012, and the M.Sc. degree in Electrical Engineering from the Korea Advanced Institute of Science and Technology (KAIST), Daejeon, South Korea in 2016, where he worked on THz detectors and THz imaging systems based on CMOS technology. He is currently pursuing a Ph.D. degree with the Electrical Engineering and Computer Science (EECS) Department, Massachusetts Institute of Technology (MIT), Cambridge, MA, USA, where he is working on CMOS-based THz identification tags, THz energy harvesting systems, and THz-OAM secure transceivers. His research interests include mm-wave and THz integrated wireless systems. He is a recipient of IEEE Radio-Frequency Integrated Circuits (RFIC) Symposium 2021 Best Student Paper Award (First Place). He also received the Rector’s Silver Medal for his B.E. degree.

Personal Website

http://ibrahimwasiq.mit.edu

Selected Awards

Won Best Student Paper Award – First Place at RFIC Symposium 2021
Received prestigious KAIST Scholarship for graduate studies (2014)
Awarded Silver Medal (ranked 2^nd) in Electrical Engineering batch of NUST (2012)
Awarded NUST Commandant’s Plaque of Excellence (2012)
Selected among top 50 students for International Physics Olympiad (2008)
Won Unilever Talent Hunt all over Pakistan (2011)

Publications

I. W. Khan, J. Woo, X. Yi, M. I. Ibrahim, R. T. Yazicigil, A. Chandrakasan, and R. Han, “A 0.31THz CMOS Uniform Circular Antenna Array Enabling Generation/Detection of Waves with Orbital Angular Momentum,” 2021 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2021, pp. 203-206. (Best Student Paper Award – First Place)
I. W. Khan, J. Woo, X. Yi, M. I. Ibrahim, R. T. Yazicigil, A. P. Chandrakasan, and R. Han, “A 0.31THz Orbital Angular Momentum (OAM) Wave Transceiver in CMOS with Bit-to-OAM Mode Mapping,” IEEE Journal of Solid-State Circuits, RFIC Special Issue 2021 (Invited).
I. W. Khan, M. I. Ibrahim, C. S. Juvekar, W. Jung, R. T. Yazicigil, A. P. Chandrakasan, and R. Han, “CMOS THz-ID: A 1.6-mm² Package-Less Identification Tag Using Asymmetric Cryptography and 260-GHz Far-Field Backscatter Communication,”IEEE Journal of Solid-State Circuits, vol. 56, no. 2, pp. 340-354, Feb. 2021.
I. Ibrahim, M. I. W. Khan, C. S. Juvekar, W. Jung, R. T. Yazicigil, A. P. Chandrakasan, and R. Han, “THzID: A 1.6mm²Package-Less Cryptographic Identification Tag with Backscattering and Beam-Steering at 260GHz,” 2020 IEEE International Solid-State Circuits Conference – (ISSCC), 2020, pp. 454-456.
I. W. Khan, E. Lee, N. Monroe, A. P. Chandrakasan, and R. Han, “A Dual-Antenna, 263GHz Energy Harvester in CMOS for Ultra-Miniaturized Platforms with 13.6% RF-to-DC Efficiency at -8dBm Input Power,” submitted to 2022 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), 2022.
I. W. Khan, S. Kim, D. Park, H. Kim, S. Han, and S. Lee, “Nonlinear Analysis of Nonresonant THz Response of MOSFET and Implementation of a High-Responsivity Cross-Coupled THz Detector,”IEEE Transactions on Terahertz Science and Technology, vol. 8, no. 1, pp. 108-120, Jan. 2018.
Chen, M. I. W. Khan, X. Yi, X. Li, W. Chen, J. Zhu, Y. Yang, K. E. Kolodziej, N. M. Monroe, and R. Han, “A 140GHz Transceiver with Integrated Antenna, Inherent-Low-Loss Duplexing and Adaptive Self-Interference Cancellation for FMCW Monostatic Radar,”2022 IEEE International Solid-State Circuits Conference – (ISSCC), 2022.
Yi, C. Wang, Z. Hu, J. W. Holloway, M. I. W. Khan, M. I. Ibrahim, M. Kim, G. C. Dogiamis, B. Perkins, M. Kaynak, R. T. Yazicigil, A. P. Chandrakasan, and R. Han, “Emerging Terahertz Integrated Systems in Silicon,”IEEE Transactions on Circuits and Systems I: Regular Papers, vol. 68, no. 9, pp. 3537-3550, Sept. 2021.
T. Yazicigil, P. M. Nadeau, D. D. Richman, C. Juvekar, S. Maji, U. Banerjee, S. H. Fuller, M. R. Abdelhamid, N. Desai, M. I. Ibrahim, M. I. W. Khan, W. Jung, R. Han and A. P. Chandrakasan, “Beyond Crypto: Physical-Layer Security for Internet of Things Devices,” IEEE Solid-State Circuits Magazine, vol. 12, no. 4, pp. 66-78, Fall 2020.
Kim, M. I. W. Khan, D. Park, S. Lee and K. R. Kim, “Effects of Parasitic Source/Drain Junction Area on Terahertz Responsivity of MOSFET Detector,”IEEE Transactions on Terahertz Science and Technology, vol. 8, no. 6, pp. 681-687, Nov. 2018.

Alec Yen

Alec Yen (alecyen@mit.edu) is from Tullahoma, TN. He received the B.S. degree (summa cum laude) in Electrical Engineering from the University of Tennessee, Knoxville in 2020. His undergraduate research focused on analog integrated circuits, with past research in neuromorphic hardware, facial recognition, and power systems. He is currently a Ph.D. student in the EECS department at MIT, with a focus in terahertz integrated systems.

Publications:

[1] G. Long, M. Ericson, C. Britton, B. Roehrs, E. Farquhar, S. Frank, A. Yen, B. Blalock. A Sub-Threshold Low-Power Integrated Bandpass Filter for Highly-Integrated Spectrum Analyzers. (Submitted)

[2] A. Yen, B. Blalock. A High Slew Rate, Low Power, Compact Operational Amplifier Based on the Super-Class AB Recycling Folded Cascode. IEEE Midwest Symp. on Circuits and Systems, Aug. 2020.

[3] D. Cornett, A. Yen, G. Noyola, D. Montez, C. R. Johnson, S. T. Baird, H. J. Santos-Villalobos, and D. S. Bolme. Through the Windshield Driver Recognition. Electronic Imaging, 2019(13), 140-1.

[4] A. Yen, H. Cui, and K. Tomsovic. “CXSparse-Based Differential Algebraic Equation Framework for Power System Simulation.” IEEE North American Power Symposium, Sep. 2018.

Mohamed I. Ibrahim

Mohamed I. Ibrahim (ibrahimm@mit.edu) (URL: mibrahim.mit.edu) received the B.S. (with honors) and M.S. degrees in electrical engineering from Ain Shams University, Cairo, Egypt, in 2012 and 2016, respectively. From 2012 to 2016, he was working as a teaching/research assistant at the Microwave and Antenna Research Lab (MARL) at the Electronics and Communication Engineering department at the same university developing Metamaterial inspired antennas and microwave passive planar structures. Currently he is a graduate Ph.D. student at the Electrical Engineering and Computer Science (EECS) department at the Massachusetts Institute of Technology (MIT).

Publications
[1] M. I. Ibrahim and A. M. E. Safwat, “Metamaterial inspired penta-band monopole antenna,” IEEE Antennas and Wireless Propagation Letters, vol. 12, pp. 1684-1687, 2013.
[2] M. I. Ibrahim, S. I. Elhenawy and A. M. E. Safwat, “Dual-Band Orthogonal-Beam Multi-Standard CRLH Loop antenna,” in Proc. of European Microwave Conference (EuMC), Nuremberg, Germany, Oct. 2013.
[3] M. I. Ibrahim, S. I. Elhenawy and A. M. E. Safwat, “60 GHz Artificial Magnetic Conductor Loaded Dipole Antenna in 65 nm CMOS Technology,” in Proc. of European Microwave Conference (EuMC), Rome, Italy, Oct. 2014.
[4] M. I. Ibrahim, A. M. E. Safwat and H. El-Hennawy , “Single/Dual-Band CSRR-Loaded Differential-Fed Square Patch Antenna with Monopolar Radiation Pattern,” in proc. of the National radio science conference (NRSC), Aswan, Egypt, Feb. 2016.
[5] M. M. Mostafa, M. I. Ibrahim, T. M. Abuelfadl and A. M.E.Safwat, “An optically transparent wideband high impedance surface,” in Proc. of European Microwave Conference (EuMC), London, England, Oct. 2016.

Xingyu Zou

Xingyu Zou (xzou@mit.edu) is an MEng student in electrical engineering, and she is really into circuits. She received her B.S. in electrical engineering and computer science at MIT, and she would like to focus more on hardware during her Master’s.

Yukimi Morimoto

Yukimi Morimoto (yukimi@mit.edu) is from Kumamoto, Japan. She received B.S. in Electrical Science and Engineering from MIT. During her undergraduate years, she worked on fabrication and design of superconducting nanowire single-photon detectors. She would like to focus more on circuit design during her MEng.

Xingcun Li

Xingcun Li received the B.S. degree in Electronic Information Science and Technology from University of Electronic Science and Technology of China, Chengdu, China, in 2017. From Sep. 2017, he is a Ph.D. student at the Department of Electronic Engineering, Tsinghua University, Beijing, China. His research interests include sub-Terahertz and Terahertz integrated circuits and systems.

PUBLICATIONS
[1] Xingcun Li, Wenhua Chen, Yunfan wang and Zhenghe Feng, ”A 180 GHz high-gain cascode power amplifier in a 130-nm SiGeprocess”, Electronics letters.

[2] Xingcun Li, Wenhua Chen, Yunfan wang and Zhenghe Feng, ”A 160 GHz High Output Power and High Efficiency Power Amplifier in a 130-nm SiGe BiCMOS Technology”, IEEE Radio Frequency Integrated Circuits (RFIC), Los Angeles, CA, USA , Jun. 2020.

[3] Xingcun Li, Wenhua Chen, and Zhenghe Feng, ”A 180 GHz High-Gain Cascode Amplifier in 130-nm SiGe Process”, IEEE MTT-S International Microwave Conference on Hardware and Systems for 5G and Beyond(IMC-5G), Atlanta, GA, USA, Aug. 2019.

[4] Xingcun Li, Wenhua Chen, and Zhenghe Feng, ”A G-band Cascode Power Amplifier in 0.13um SiGe BiCMOS Technology”, the 11th UK-Europe-China conference on Millimetre Waves and Terahertz Technologies (UCMMT), Hangzhou, China, Sep. 2018.

[5] Xingcun Li, Wenhua Chen, Junmin Zhou and Zhenghe Feng, ”A Wideband 28 GHz Fully-Integrated Power Amplifier in 65 nm CMOS Technology”, the 10th International Conference on Microwave and Millimeter Wave Technology (ICMMT), Chengdu, China, May 2018.

Email: kbrody@mit.edu
Tel #: (617) 253-0719.

Aaron Pfitenmaier

Aaron Pfitzenmaier (apfitzen@mit.edu) is a junior working towards a Bachelor of Science in Electrical Engineering. His interests include CMOS design, electromagnetics, analog circuit design, and physics. He enjoys doing origami and going for walks.

Lingshan Kong

Lingshan Kong received the B.Eng. degree in electrical and electronic engineering from Nanyang Technological University (NTU), Singapore, in 2014, where she is currently working toward the Ph.D. degree.
Her research interests are focused on analog baseband design and wireline backplane transceiver design.

Weerachai (Junior) Neeranartvong

Weerachai (Junior) Neeranartvong (weeracha@mit.edu) is a fourth-year undergraduate majoring in EECS (Electrical Engineering and Computer Science) and Theoretical Mathematics. He has broad interests in analog/RF circuit designs, signal processing, wireless communications, algorithms, and control systems. He loves exploring new things.

Nestor Franco (nfranco@mit.edu) is a senior working towards a B.S. in Electrical Science and Engineering. He has a wide range of interests including microelectronic and circuit design, electromagnetic applications, neurophysiology, digital circuit design, and high speed photography. His hobbies include learning new languages, playing computer games, and playing and composing music.

Ronald Davis

Ronald Davis III (radavis4@mit.edu) is a senior majoring in Electrical Engineering and Physics. His research interests include signals processing, communications, and applied physics, among other areas. He enjoys playing tennis, writing, video games, and philosophy.