Optoelectronic Device Group

Andreas Beling is an Associate Professor in the Department of Electrical and Computer Engineering at University of Virginia. He received the Dipl.-Phys. degree (M.S.) in physics from the University of Bonn, Germany, in 2000 and the Dr.-Ing. degree (Ph.D.) in electrical engineering from Technical University Berlin, Germany, in 2006. He was a staff scientist in the photonics division at the Heinrich-Hertz-Institut in Berlin in 2001-2006, a Research Associate in the Department of Electrical and Computer Engineering at the University of Virginia in 2006-2008, and has two years of industry experience in high-speed fiber optic communication systems.   
Prof. Beling has authored or co-authored more than 180 technical papers, three book chapters, and four patents. He has served as a Technical Program Subcommittee Chair at Optical Fiber Communication (OFC) Conference in 2013 and was Technical Program Chair at the Integrated Photonics Research, Silicon, and Nano-Photonics (IPR) in 2018. Dr. Beling is a senior member of OSA and IEEE. He served as a Primary Guest Editor for IEEE JSTQE in 2017/18 and is an Associate Editor of the IEEE/OSA JLT since 2014.

Keye Sun received the B.S. degree in physics from Shanghai Jiao Tong University, China, in 2007 and the Ph.D. degree in Electrical and Computer Engineering from University of Virginia, USA, in 2015. His Ph.D thesis was on laser-based manufacturing of Si solar cells and novel Ge photodiodes. He is currently working as a Research Scientist in the ECE department at University of Virginia under Prof. Andreas Beling and Prof. Steven Bowers. 
His research interests include high-power and high-speed photodiodes, wireless photonic transmitters, high-frequency antennas, microwave electronics, solar cells, Ge devices and high-power laser-based material processing. 


Bassem Tossoun received his B.S. degree in Computer Engineering and M.S. degree in Electrical Engineering from Cal Poly San Luis Obispo in 2014. His master’s thesis research was a collaboration with Professor John Bowers at UC Santa Barbara involving the improved peak power of a hybrid silicon mode-locked laser using impedance matching. Afterwards, he worked with Coriant Advanced Technology Group as a Senior Photonics Engineer working on silicon photonic integrated circuit design and testing. He is currently pursuing his Ph.D. in Electrical Engineering at the University of Virginia with his research interests including silicon photonics and the design, fabrication, and characterization of optoelectronic devices.
Qianhuan Yu received his B.S. degree at Huazhong University of Science and Technology in 2012 and received his M.S. degree at Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science in 2015.  
He is pursuing his Ph.D. in EE at University of Virginia. His research interests mainly focus on high power and high speed photodiodes.

Jesse Morgan from Richmond, Virginia, received his B.S. degree in electrical engineering from UVA in 2016 and is now pursuing a Ph.D degree in electrical engineering. He is a member of the IEEE-HKN Engineering Honor Society and President of the Amateur Radio club. His research interests include the design and fabrication of optoelectronic devices, antennas, and high-speed photodiodes.  

Fengxin Yu, who was born in Wuhan, China, received his bachelor degree in Optoelectronic Information Engineering from Huazhong University of Science and Technology (HUST) in 2017. He is currently pursuing a Ph.D. degree in electrical engineering at University of Virginia in Charlottesville, VA, with his research interests focusing on high-performance photodiodes, high-speed photodetectors and their applications.
Ta-Ching Tzu from Taipei, Taiwan, received his B.S. degree in Optics and Photonics from National Central University (NCU) in 2014 and received his M.S. degree in Photonics from National Chiao Tung University (NCTU) in 2016. He is now pursuing a Ph.D. degree in Electrical Engineering at the University of Virginia. His research interests include silicon photonics, integrated photonics and photonic integrated circuits.
Junyi Gao received her B.S. degree in applied physics from Tongji University, China (2017). She is currently pursuing her M.S. degree in electrical and computer engineering at University of Virginia. Her research interests lie in the design, fabrication and characterization of high-power and high-speed photodiodes for optical communication applications
Nan Ye graduated as a bachelor from the Beijing University of Chemical Technology in 2008 and as a master from the Institute of Semiconductors, Chinese Academy of Sciences in 2011. After studying at the Tyndall National Institute in Ireland as a Ph.D student (2015), he worked as a researcher at the Inter-university Microelectronics Center (IMEC) in Belgium (2017). Currently, he is a research associate at University of Virginia with interests in intgrated III-V photodiodes on a silicon photonics platform.
Zhanyu Yang, Ph.D. 2018; first job at Phase Sensitive Innovations.
Ye Wang, Ph.D. 2017; first job at Global Foundries.
Qinglong Li, Ph.D. 2017
Heather Dunlap, M.Sc. 2017
Nicolas Raduazo, B.S. 2017
Xiaojun Xie, Ph.D. 2016; first job at Infinera.