His research interests include the use of optoelectronic devices and systems for parallel optical computing, interconnection, network and data storage applications. Other interests include: image processing, immersive media technology, stereo and panoramic video and displays; wireless health, body area networks, multimodal sensing and pattern recognition. He is the holder of two U.S. Patents and is the author or co-author of more than 170 technical publications and 100 talks in these fields, including several books and book chapters. He teaches courses in these and related fields and has supervised the Ph.D. research of nearly 40 students.
He is a Fellow of the Optical Society of America (OSA), the Institute of Electrical and Electronics Engineers (IEEE), and the International Society for Optical Engineering (SPIE). He received the USC Associates Award for Excellence in Teaching, the OSA Distinguished Service Award and USC Mellon Academic Mentoring Support Program Certificate of Recognition. He also received the Halliburton Award for Exceptional Service, the Lockheed Senior Research Award, and the Outstanding Teaching Award from the USC Viterbi School of Engineering.
He has served in many professional positions for scientific and technical communities. He is currently Vice-Chair of the Board of Directors of the OSA Foundation. In the past he has served as Chair of the OSA Society Objectives and Policy Committee, Chair of the Technical Council, and Board of Directors Member and Board Executive Committee Member. He was General Chair of Topical Meetings on Optical Computing, was Associate Editor for Optics Letters, and was Editor of the Information Processing Division of Applied Optics.
He has been a member of the IEEE LEOS Electronic Services Committee and was Area Editor for Optical Computing of the Journal of Parallel and Distributed Computing. He has been a Member, Delegate, and Chair, United States Advisory Committee for the International Commission for Optics (USAC-ICO), and is past Treasurer of the International Commission for Optics (ICO). He has served often on technical program committees for the OSA Annual Meeting, Topical Meetings on Optical Computing, Machine Vision, and Smart Pixels, and for many SPIE and IEEE Photonics Society meetings.
He has served as consultant or advisor to a number of technical companies, including the Aerospace Corporation, Hughes, TRW, Litton, Phaethon Communications and EdgeWave Corporation. He is a founder of Optivision, Inc. and ONI Systems (now part of Ciena Corp.).