Principal Investigator
In 2017, he co-founded MixComm Inc., a venture-backed startup, to commercialize CoSMIC Laboratory’s advanced wireless research. His current research interests include integrated devices, circuits, and systems for a variety of RF, mmWave, and sub-mmWave applications.
Dr. Krishnaswamy was a recipient of the IEEE International Solid-State Circuits Conference Lewis Winner Award for Outstanding Paper in 2007, the Best Thesis in Experimental Research Award from the USC Viterbi School of Engineering in 2009, the Defense Advanced Research Projects Agency Young Faculty Award in 2011, the 2014 IBM Faculty Award, the Best Demo Award at the 2017 IEEE ISSCC, and Best Student Paper Awards (First Place) at the 2015 and 2018 IEEE Radio Frequency Integrated Circuits Symposium . He has been a member of the technical program committee of several conferences, including the IEEE International Solid-State Circuits Conference since 2015 and the IEEE Radio Frequency Integrated Circuits Symposium since 2013. He currently serves as a Distinguished Lecturer for the IEEE Solid-State Circuits Society and as a member of the DARPA Microelectronics Exploratory Council.
PostDoctoral Scholars
His research interests include design of high frequency integrated circuits, passive circuits, active integrated antennas and sensors for microwave, mm-wave and THz applications.
Research topic: G-band Power Amplifiers in GaN
Her current research interests include CMOS-based millimeter-wave front-end components design, RF integrated circuits and analog circuits design.
Research topic: Cryogenic CMOS electronics for quantum computing applications
His research interests include joint sensing and communications, digital signal processing for massive MIMO, radio-frequency/mm-Wave systems, wireless communications, indoor wireless sensing (detection and localization), and radio-frequency identification (RFID).
PhD Students
Awards and Honors: 2021 Columbia EE MS Award of Excellence
Phong is currently working towards his Ph.D. degree in Electrical Engineering under the guidance of Prof. Harish Krishnaswamy. His research interests include the design and optimization of RF/mm-wave, analog, and mixed-signal integrated circuits, as well as their integration into communication systems.
His research interests broadly lie in the domain of analog and RF integrated circuit design with applications in next-generation wireless communication systems.
Awards and Honors: Spring 2021 Columbia SEAS Dean’s Byron Fellowship
His current research interests include the design of integrated circuits & systems for next-generation communication paradigms, and the mathematical formulation and co-optimization of the RF/mmWave, analog and digital sections of the hardware implementations of these paradigms.
Alfred was part of the S.N. Bose Scholars Program in 2019 that sponsored a research internship at Columbia University. He was also awarded the Sri. V Srinivasan Memorial Prize for the student with the best academic record in the Dual Degree (B.Tech. & M.Tech.) Class of 2020, the Prof Achim Bopp Endowment Prize for the best hardware project in Electrical Engineering and the Teaching Assistant Recognition Award (TARA) during his Dual Degree program at IIT Madras.
Awards and Honors: Columbia SEAS Presidential Fellowship, 2022 Columbia EE MS Award of Excellence
He was a part of the delegation under the Youth Exchange Program by the Government of India and represented India in Russian-Indian Youth Forum at Moscow.
His current research interests include development of emerging technologies such as Cryogenic CMOS Circuits for Quantum Computing Applications.
In 2023, he was awarded the IEEE MTT-S Undergraduate/Pre-Graduate Scholarship, supporting his master’s thesis at IITK on the design of an impedance transforming circulator.
PostDoctoral Scholars Alumni
Research topic: Interference Mitigation for Simultaneous-Transmit-and-Receive MRI
Research topic: Millimeter-wave Open-Access Testbeds
Research topic: Non-Reciprocal Topological Metamaterials
Awards and Honors: 2020 Forbes 30 Under 30 in Science
Kexin’s research focuses on understanding and modeling the physical behavior of emerging nanoscale electronic materials and devices, with the aim of enabling new system-level functionalities for high-power and high-frequency applications.
Research topic: Device-circuit co-design in III-V and cryogenic electronics
She is now an assistant professor at Arizona State University
His research interests include millimeter-wave and terahertz integrated circuit design and on-chip antenna design, focusing on the design of silicon-based terahertz sources and CMOS terahertz transmit/reflect array antennas for communication and sensing applications.
Research topic: Intelligent reflective surfaces in CMOS for >100GHz applications
PhD Alumni
In summer 2013, he was with the IBM T. J. Watson Research Center, Yorktown Heights, NY, USA, on a three-month internship. His research interests include mmWave and RF circuits and systems in silicon, massive mmWave multi-input- multi-output (MIMO) systems and related applications.
Thesis Title: Architectures and Integrated Circuits for Efficient, High-power “Digital” Transmitters for Millimeter-wave Applications
Current Position: Research Scientist, Intel Research Labs
Awards and Honors: 2015 IEEE RFIC Symposium Best Student Paper Award – 1st Place, 2014 Bell Labs Prize Finalist, 2014 Qualcomm Innovation Fellowship, 2013 IEEE Microwave Theory and Techniques Society (MTT-S) Graduate Fellowship
Thesis Title: Integrated Self-Interference Cancellation for Full-Duplex and Frequency-Division Duplexing Wireless Communication Systems.
Current Position: Assistant Professor, ECE Department, University of Illinois at Urbana Champaign
Awards and Honors: Honorable Mention Award for Best Demo at the NYC Media Lab’s NYCML16, 2016 Columbia EE Jury Award, 2015-2016 IEEE SSCS Predoctoral Achievement Award, 2015 Qualcomm Innovation Fellowship
Thesis Title: RF/Analog Spatial Equalization for Integrated Digital MIMO Receivers
Current Position: IC Design Engineer, Broadcom Corporation
Awards and Honors: Columbia EE 2013 MS Award of Excellence
Thesis Title: CMOS Signal Synthesizers for Emerging RF-to-Optical Applications
Current Position: Designer at Intel Corporation
Awards and Honors: 2015-2016 IBM PhD Fellowship, 2016 MIT-CMU EECS Rising Star
Thesis Title: Efficient, High-Power Precision RF and mmWave Digital Transmitter Architectures
Current Position: Research Scientist, Intel Research, Hillsboro, OR
Awards and Honors: Columbia EE 2012 MS Award of Excellence
Thesis Title: High-performance Local Oscillator Design for Next Generation Wireless Communication
Current Position: To join Apple, Cupertino, CA
Awards and Honors: Fall 2016 EGSC Professional Development Scholarship, 2015 Columbia EE Jacob Millman Prize for Excellence in Teaching Assistance
Thesis Title: Architectures, Antennas and Circuits for Millimeter-wave Wireless Full-Duplex Applications
Current Position: RF/mmWave Engineer, Kilby Labs, Texas Instruments
Awards and Honors: 2017 Columbia EE Jury Award, 2016 Columbia EE Jacob Millman Prize for Excellence in Teaching Assistance, 2016 IEEE Microwave Theory and Techniques Society (MTT-S) Graduate Fellowship, 2015 IEEE RFIC Symposium Best Student Paper Award – 1st Place
Dissertation Title: Enabling fully-integrated magnetic-free non-reciprocal antenna interfaces by breaking Lorentz reciprocity: From physics to applications
First Employment: Assistant Professor, MIT (EECS)
Awards and Honors: 2021 IEEE MTT-S Microwave Magazine Best Paper Award, 2020 Morton B. Friedman Memorial Prize for Excellence, 2020 IEEE International Microwave Symposium Best Student Paper Award -2nd Place, 2019 Columbia EE Jury Award, DARPA Riser (DARPA 60th Anniversary Symposium), 2018 Forbes 30 Under 30 in Science, 2017 Rising Star in EECS, 2017 Marconi Society Paul Baran Young Scholar, 2017 IEEE Microwave Theory and Techniques Society (MTT-S) Graduate Fellowship, Caltech 2017 Young Investigator Lecturer in Engineering and Applied Science, ADI 2017 ISSCC Outstanding Student Designer Award, 2016-2017 IEEE SSCS Predoctoral Achievement Award, 2016 Qualcomm Innovation Fellowship
Dissertation Title: High-performance Multi-Antenna Wireless for 5G and Beyond
First Employment: Member of Technical Staff, MixComm Inc.
Awards and Honors: 2020 Columbia EE Jury Award, 2020 IEEE RFIC Symposium Best Student Paper Award – 2nd Place, 2019 ACM Mobihoc Best Paper Award Finalist
Creative Technology Award (Engineering Category) at the 2018 NYC Media Lab 100 Demo Expo, ADI 2018 ISSCC Outstanding Student Designer Award, 2018-2019 IEEE SSCS Predoctoral Achievement Award
Dissertation Title: Architectures and integrated circuits leveraging N-phase passive mixers for applications in RF, Mm-wave and electro-optical systems
First Employment: Member of Technical Staff, Danger Devices
Awards and Honors: 2020 IEEE RFIC Symposium Best Student Paper Award – 2nd Place, ADI 2020 ISSCC Outstanding Student Designer Award, 2021 IEEE Microwave Theory and Techniques Society (MTT-S) Graduate Fellowship
Dissertation Title: LO-based analog signal processing in integrated circuits and systems: From RF to optics
First Employment: Broadcom
Awards and Honors: 2020 IEEE RFIC Symposium Best Student Paper Award – 2nd Place, FIO 2020 Jean Bennett Memorial Student Travel Grant Winner, 2021 Columbia EE Jacob Millman Prize for Excellence in Teaching Assistance, 2020-2021 IEEE SSCS Predoctoral Achievement Award
Dissertation Title: Surpassing fundamental limits through time varying electromagnetics
First Employment: Assistant Professor, Washington University of St. Louis (ESE)
Awards and Honors: 2022 Columbia EE Jury Award, 2021 Columbia EE Collaborative Research Award, 2021 IEEE MTT-S Microwave Magazine Best Paper Award, 2020 IEEE RFIC Symposium Best Student Paper Award Finalist, 2019 IEEE Microwave Theory and Techniques Society (MTT-S) Graduate Fellowship, ADI 2019 ISSCC Outstanding Student Designer Award, 2018-2019 IEEE SSCS Predoctoral Achievement Award, 2018 IEEE RFIC Symposium Best Student Paper Award – 1st Place
Thesis topic: Advances in LPTV Circuits: From High Performance Filters to Magnetic-Free Inductor-less Nonreciprocal Components
First Employment: Apple
Awards and Honors: 2020 IEEE International Microwave Symposium Best Student Paper Award – 2nd Place, 2020-2021 IEEE SSCS Predoctoral Achievement Award, ADI 2020 ISSCC Outstanding Student Designer Award, 2019 Columbia EE MS Award of Excellence
She was an undergraduate intern at European Organization for Nuclear Research (CERN) in the summer of 2015. During her Ph.D., she was a summer intern at IBM T.J. Watson Research Center in 2020 and 2021. Her research interests include RF/analog, mm-wave, and terahertz integrated circuits and systems in silicon/III-V technologies for phased-array and multi-input-multi-output systems.
Thesis topic: Architectures for millimeter-wave/terahertz CMOS phased arrays, MIMO systems and channel bonding
Awards and Honors: 2020 IEEE RFIC Symposium Best Student Paper Award – 2nd Place, ADI 2022 ISSCC Outstanding Student Designer Award