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  The Electro-Optics Association 
The Photonics Society of Chinese-Americans
Northern California Chapter

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2005 Seminar

20050212(Stanford, CA)

Highlights of recent progress in GaN-based light emitting devices

            

            
Abstract

This talk will present the recent progress in GaN-based light emitting devices and materials. Topics to be discussed includes GaN-LED on Cu substrate, large area high power GaN LED, GaN vertical cavity light emitters, GaN quantum dots, GaN MQW quantum confined structures and future prospect of GaN-based light emitting devices and its potential applications. 

Speaker Bio:

  Professor S.C. Wang received the B.S. degree from National Taiwan University, Taiwan, in 1957, the M.S. degree from National Tohoku University, Sendai Japan in 1965, and the Ph.D. from Stanford University in 1971, all in Electrical Engineering.

  He has an extensive professional career both in the academic and industrial research institutions for over thirty years. He was a faculty member of Institute of Electronics of National Chiao Tung University (NCTU), Hsinchu, Taiwan from 1965-67 where he established the first university laser laboratory and fabricated the first home-made He-Ne laser in Taiwan. From 1967 to 1971 he conducted the Ph.D thesis research on frequency stabilization of rare gas lasers at Stanford University From 1971-74 he served as a Research Associate with Professor A. E. Siegman of Stanford University and demonstrated the first white light laser that simultaneously emits three prime color in red, green and blue from a single hollow cathode laser.  From 1974 to 1985, he was a senior research scientist at Xerox Corporation developing white light laser and blue laser for color and high speed imaging processing applications, and investigation of GaAs diode lasers for compact diode laser printers, and has received numerous awards from Xerox for his technical accomplishments.

From 1985 to 1995, he joined Lockheed-Martin Palo Alto Research Laboratories as Senior Research Scientist and later Consulting Scientist conducting research on GaAs vertical cavity surface emitting lasers (VCSELs) and diode-pumped solid state lasers. He developed the low threshold current GaAs VCSEL and demonstrated first monolithic integration of GaAs VCSEL with MSFET. He also engaged in the research on diode-pumped self-frequency doubling blue and green solid state lasers. Since 1995 he rejoined National Chiao Tung University as a Visiting Professor of Institute of Electro-Optical Engineering. He served as the Principal Investigator of two National Projects on Photonics and Nanotechnology and has made numerous scientific accomplishments.
Professor Wang was elected a Fellow of the Optical Society of America for his pioneering development of white light gas lasers and low threshold surface emitting semiconductor lasers in 1997. He was awarded the Outstanding Scholar Award from the Foundation for the Advancement of Outstanding Scholarship in 2000. He received 2003 Micro-Optics award for his distinguished works and contributions to develop and to promote Microoptics technologies. He has published over 200 technical papers and has been awarded twenty patents internationally on the laser devices.