Design Engineer, Electronics Laboratory, General Electric Company (1980-88)
AT&T Bell Laboratories:
Member of Technical Staff, Compound Semiconductor Device Research (1988-94)
Department Head, Heterostructure Electronics Research (1994-97)
Director, High Speed Electronics Research, Bell Laboratories, Lucent Technologies (1997-2010)
Senior Director:
Communication Science Research, Bell Laboratories, Alcatel-Lucent (2011-13)
Renewal Energy and Thermal Management Group, Bell Laboratories-Ireland (2011-13)
Silicon Photonics, Switching and Interconnect Research, Bell Labs, Alcatel-Lucent (2013-2015)
Silicon Opto-Electronics (2016-2017)
Silicon Photonics Research, 3-5 Labs, France (JV: Alcatel-Lucent/Thales/LETI)(2013-2017)
Program Manager, DARPA (2017-2021)
Chief Scientist, Coherent Corp. (2021-date)
Adjunct Professor:
Department of Electrical Engineering, Columbia University, (1994-2013)
National Chiao-Tung University and National Taiwan University (2012-2017)
Cornell University, Mary Upton Visiting Professor (2021-data)
Advisor:
Southern Taiwan Optoelectronics Center of Excellence, National Sun Yet-Sen University (2001-present); NSC "Foreign Internship Program" and other visiting; Ph. D interns ( 2004-2017)
Principle Investigator:
Several DARPA programs (2002-2017)
ETRI-Bell Labs 100G/400G Coherent OFDM Transmission program, S. Korea (2008-2017)
Program Evaluator, Advisor, National Program Review Penal, Science Foundation Ireland (SFI), Ireland (2003-05)
Program Evaluator, High Education Accreditation Board on Engineering and Technology (ABET), US (2010-13)
Reviewer, NSC National Special Topical Research Programs (2010-2017)
Technical Advisor:
ARAC and TAC on Photonics and Wireless ommunications, ITRI, Taiwan (2013-2017);
Taiwan 5G Wireless Programs (with MOEA;ITRI; NCTU; NTU), Taiwan (2013-2017)
National 5G Wireless Communication Program, Ministry of Economy Affairs (MOEA)(2015-2017)
Specialties
High Speed Photonic and Wireless Integrated Circuits and Communication Systems
Awards and Honors
Young-Scientist Award and Under-40 GaAs Medal, International GaAs and Related Compound Symposium (1993)
Fellow of IEEE (1998)
National Chiao-Tung University Outstand Alumni Award (2006)
IEEE David Sarnoff Award (2002)
Pan Wen-Yuan Outstanding Research Award (2011)
Bell Laboratories Fellow (2003)
Fellow of Optical Society of America (2011)
Member of US National Academy of Engineering (2004)