Team

Current PhD Students

Carolina Hau Loo (Ph.D., 2022-present) [Google Scholar]

Carolina received her dual major B.S. in Electrical Engineering and Computer Engineering from Florida State University in Spring 2022. At FSU, Carolina did research at the Center for Advanced Power Systems (CAPS) working with insulating materials and measuring surface discharge in high voltage DC and AC inside a Faraday cage. She was involved with the FAMU-FSU IEEE Student Chapter and served as treasurer, vice-chair and chair, winning the FSU Academic Leadership Award in Spring 2022. After joining the Georgia Institute of Technology in Fall 2022, she worked with the Electromagnetic Measurements in Communications and Computing lab doing research with electromagnetic side channel measurements and Software Defined Radios device fingerprinting using machine learning until Spring 2023. She joined the mmWave Antennas and Arrays Laboratory in Fall 2024, and her current research focuses on field-induced transitions of vanadium dioxide (VO2) switches. (e-mail: cloo9@gatech.edu)

William Pavlick (Ph.D., 2023-present) [Google Scholar]

Will received his B.S. in Electrical Engineering and B.S. in Chemistry from Purdue University in the Spring of 2023. At Purdue, Will performed research under Dr. Thompson, Dr. Webb, and Dr. McKinney where his efforts included synthesizing novel magnetocaloric metal alloys, developing optomechanic time domain simulations for modeling thin membrane displacement, and verifying an algorithmic approach to optical Fourier transformers respectively. He joined the mmWave Antennas and Arrays Laboratory at the Georgia Institute of Technology in the Fall of 2023 with a Presidential Fellowship. Additionally, he was awarded the National Science and Engineering Graduate (NDSEG) Fellowship in 2024. Will’s current research focuses on using magnetic structures in conjunction with printed circuit board technology to develop novel, mechanically reconfiguring metamaterials. This effort is in collaboration with Dr. Renee Zhao’s mechanical engineering group at Stanford University. (e-mail: wpavlick3@gatech.edu)

Yuheng He (Ph.D., 2023-present) [Google Scholar]

Yuheng received his B.S. in Communication Engineering in 2021 from Wuhan University of Technology, the B.S. in Electrical Engineering in 2021 from University of Birmingham, and the M.S. of Applied E&M and RF Circuit from University of Michigan. From Jan 2020 to Feb 2021, He worked with Prof. Zheng Huang in the topic of indoor Bluetooth navigating system, focuses on the angle of departure (AoD) algorithm. At Birmingham, his undergraduate thesis concentrates on building a wirelessly controlled firefighting robot with real-time video transmission. He joined mmWave Antennas and Arrays Laboratory as a PhD student in fall 2023. His current research focuses on the design of chipless fully passive bio implantable sensors and the range radar cross section (RCS) measurement technique through lossy medium. His research interests also include in metasurface and reflectarray design. (e-mail: yhe491@gatech.edu).

Chinaza A Ogbonna (Ph.D., 2021-present) [Google Scholar]

Chinaza Ogbonna is a trailblazing Ph.D. candidate in Mechanical Engineering at Georgia Tech. Her cutting-edge research focuses on developing biodegradable implantable multi-analyte sensors for post-operative monitoring, poised to revolutionize patient care. With expertise spanning semiconductor fabrication and characterization, chemical treatments on carbon fibers, the influence of compressive strain on magnesium alloys, and the structural dynamics of polythiophene-based conjugated polymers, Chinaza has honed her skills through diverse projects. Prior to attending the PhD program, she worked as a research engineer at the Institute of Electronics and Nanotechnology (IEN), where she spearheaded a variety of projects, including formulating COVID-19 protocols, designing and implementing equipment modifications and installation, and designing, fabricating, and characterizing microdevices as well as training users on various cleanroom tools. With her diverse skill set in lithography, etching, and advanced diagnostics, she is eager to innovate further in her current program, aiming to pioneer biodegradable, multi-analyte sensors for post-surgical monitoring. (e-mail: cogbonna3@gatech.edu).

David West (Ph.D., 2022-present) [Google Scholar]

David received his B.S. in Electrical Engineering from the University of South Carolina in Spring 2022. He then joined the mmWave Antennas and Arrays Laboratory at Georgia Institute of Technology as a PhD student in Summer 2022, supported by the President’s Fellowship. As an undergraduate, David participated in an internship at Oak Ridge National Laboratory in 2019 where he worked on a battery modeling framework. David also worked in Prof. Guoan Wang’s group at University of South Carolina on inductively coupled wireless power transfer from 2019 to 2022. At Georgia Tech, he has studied periodic structures and RF switches based on vanadium dioxide (VO2). He completed quasi-optical characterization of a VO2-based polarization converter metasurface. In 2023, he mentored an undergraduate student (Ashley Goodnight) in the design, simulation, fabrication, and measurement of laser-activated VO2 coplanar waveguide switches. David has co-authored 5 peer-reviewed journal papers and 7 papers in international conferences. He has served as a reviewer for IEEE Antennas and Wireless Propagation Letters and IEEE Transactions on Antennas and Propagation since 2022. He was awarded the National Defense Science and Engineering Graduate (NDSEG) Fellowship in 2024 (e-mail: dwest64@gatech.edu).

Seung Yoon (Sonny) Lee (Ph.D., 2022-present) [Google Scholar]

Sonny joined mmWave Antennas and Arrays Laboratory at Georgia Institute of Technology as a Ph.D. student in August 2022. He received his B.S. in computer and communication engineering from Korea University, Seoul, South Korea, in 2016, and his M.S. in electrical engineering from the Pohang University of Science and Technology (POSTECH), Pohang, South Korea, in 2018. Prior to Georgia Tech, he served as a researcher at Samsung Research, Seoul, Korea, and SK Hynix, Icheon, Korea for four years, fulfilling his alternative military service. He has published 6 peer-reviewed journal articles, 12 international conference papers, and is the inventor of 19 patents. His research interests include mmWave on-chip antennas, phase-change material reconfigurable RF devices, and robotic antenna measurement techniques. He is the recipient of the 2023 IEEE AP-S Doctoral Research Grant, the 2023 IEEE AP-S Ph.D. Student Travel Grant, the 2023 CREATION Award from Georgia Tech, the 2018 Outstanding Master’s Thesis Award (Top rank in EE) from POSTECH, and the 1st Prize Best Paper Student Award from the IEEE International Symposium on Antennas and Propagation in Busan, Korea, 2018. He has served as a reviewer for IEEE TAP, AWPL, and TCPMT.  (e-mail: seungyoon.lee@gatech.edu).

Sree Adinarayana Dasari (Ph.D., 2022-present) [Google Scholar]

Adi received his B.S. degree in Electrical Engineering and Economics from The Pennsylvania State University in May 2022. His honors thesis focused on designing and implementing a low-power radar to study the electron density profile of the ionosphere. At Penn State, he worked at The Applied Signal Processing and Instrumentation Lab, designing antennas for a harmonic transponder for insect tracking. He was an intern at The TU Freiberg. At Freiberg, he developed an experiment to study the effects of microwaves on burning velocity, UV-VIS-spectra, and exhaust gas composition of premixed propane flames. At Georgia Tech, he worked on design, fabrication, and measurement of high efficiency on-chip silicon carbide based dielectric resonator antennas for harsh environment application. He is currently working on characterizing the dielectric properties of vanadium dioxide (VO2). He served as a reviewer in IEEE Transactions on Antennas and Propagation since 2022. In Fall 2022, he was awarded a fellowship from Qualcomm. (e-mail: sdasari44@gatech.edu).

Walter Disharoon (Ph.D., 2021-present) [Google Scholar]

Walter received his B.S. in Electrical Engineering from Kennesaw State University in May 2021. In Undergrad, he did a Co-Op at Georgia Tech Research Institute with a focus in RF engineering, digital arrays, FPGA development, and automated RF measurements with work resulting in two conference publications. He is currently pursuing a Ph.D. at Georgia Institute of Technology. In Fall of 2021, he received the ECE Freshmen Fellowship. In Spring of 2022, he joined the mmWave Antennas and Arrays Laboratory. His work focuses on a low-loss mmWave reconfigurable reflectarray for beamforming applications; and an energy selective surface for protecting critical infrastructure. In Fall 2022, he was awarded a fellowship from Qualcomm. In Spring of 2023, he was awarded the GTRI Graduate Student Fellowship. He received his M.S. in Electrical and Computer engineering from Georgia Institute of Technology in Spring 2023. He has served as a reviewer for the IEEE Transactions on Antennas and Propagation and the Antennas and Wireless Propagation Letters since 2022. He has coauthored 2 peer-reviewed journal articles and 7 conference publications(email: wdisharoon3@gatech.edu).

Thomas G. Williamson (Ph.D., 2020-present) [Google Scholar]

Thomas G. Williamson received the BSEE (summa cum laude) and MSEE degrees from North Carolina State University in 2018 and 2019, respectively. He is a Ph.D. candidate at the Georgia Institute of Technology, where he is a member of the mmWave Antennas and Arrays Laboratory. Mr. Williamson is also a Research Engineer at Georgia Tech Research Institute (GTRI), where he works in the Antenna Systems Division of the Sensors and Electromagnetic Applications Laboratory. At GTRI he has led several internal research and development projects and sponsored projects. His research areas include radar systems, antennas, arrays, filters, RFICs, phase change materials, power amplifiers, low noise amplifiers, other RF frontend electronics, digital arrays, and digital array radars. He is a U.S. Marine Corps veteran, and during his service (2009–2014), he completed three deployments, attained the rank of Sergeant, and held multiple small unit leadership roles. Mr. Williamson received multiple commendations for excellence and meritorious service, including the Navy Achievement Medal. He received the Dean’s Fellowship award at NC State University in 2018. He won the Department of Defense National Defense Science and Engineering Graduate Fellowship (NDSEG) in 2019, which he declined to work at GTRI. He received the GTRI Star Performer Award in 2021. (e-mail: thomas.williamson@gtri.gatech.edu).

Current Undergraduate Students

Mindy Yao (Undergraduate Researcher, 2023-present)

Mindy Yao is an undergraduate student pursuing a bachelor’s degree in Electrical Engineering at the Georgia Institute of Technology. She has interned at Cirrus Logic as a Haptics Application Engineer, contributing to the development and testing of haptic feedback systems. Through the Opportunity Research Scholars (ORS) program, she worked on millimeter-wave antenna measurement techniques using robotic arms in the mmWave Antennas and Arrays Laboratory. Her current research focuses on integrating spherical near-field to far-field transformations into the measurement system. (email: myao47@gatech.edu)