CCH Optoelectronics Research Group

Research Interests

Nanostructured Materials Synthesis and Nano-Optoelectronic Devices
Vertical Cavity Surface Emitting Lasers and Optoelectronic Devices
Optoelectronic Micro-Electro-Mechanical Systems (O-MEMS)
Molecular Beam Epitaxial and Metal-Organic Vapor Deposition Growth and Fabrication Techniques
Biosensing and Biophotonics

Theses

Education

PhD Electrical Engineering, University of California, Berkeley, 1987
Thesis Advisors: Professors John R. Whinnery and Andrew Dienes Thesis Title: "High power performance and modulation of semiconductor lasers"
MS Electrical Engineering, University of California, Berkeley , 1984
BS Electrical and Computer Engineering, University of California, Davis, 1982

News

The paper titled "GaAs nanoneedles grown on sapphire" is featured on the cover of March 21 2011 issue of Applied Physics Letters. (March 21, 2011)
Prof. Chang-Hasnain was presented with the IEEE David Sarnoff Award at the 2011 OFC/NFOEC for her pioneering work on VCSELs. (March 8, 2011)
The paper titled "Nanolasers grown on silicon" is featured on the cover of March 2011 issue of Nature Photonics. (February 26, 2011)
The Wall Street Journal reports on the discovery of nanolasers grown on silicon in an article titled "Berkeley Researchers Hope to Light Way with Tiny Laser". (February 9, 2011)
UC Berkeley News Center press release on "Engineers grow nanolasers on silicon, pave way for on-chip photonics". (February 6, 2011)

Awards

IEEE David Sarnoff Award, IEEE, 2011
Citation: For pioneering contributions to vertical cavity surface emitting laser (VCSEL) arrays and tunable VCSELs
Chang Jiang Scholar Endowed Chair Award, the Peoples Republic of China, Ministry of Education, 2009
Humboldt Research Award, Alexander von Humboldt Foundation, 2009.
Citation: in recognition of a researcher's entire achievements to date to academics whose fundamental discoveries, new theories, or insights have had a significant impact on their own discipline and who are expected to continue producing cutting-edge achievements in future.
Guggenheim Memorial Fellowship, Guggenheim Memorial Foundation, 2009.
Citation: on the basis of stellar achievement and exceptional promise for continued accomplishment in their field and were chosen from a group of almost 3,000 applicants.
Microoptics Award, Microoptics Conference (MOC), The Japan Society of Applied Physics, 2009
Citation: for distinguished works and contributions to develop and to promote microoptics technologies
National Security Science and Engineering Fellows, U.S. Department of Defense, 2008.
Honoring 8 distinguished scientists and engineers in its inaugural round. Selected from over 350 applicants, the eight researchers from the first NSSEFF competition "are expected to make considerable discoveries in the core science and engineering disciplines underpinning the technology of future DoD systems".
Nick Holonyak Jr. Award, Optical Society of America, 2007.
Citation: for significant contributions to vertical cavity surface emitting laser arrays, injection locking and slow light
Gilbreth Lecturer, National Academy of Engineering, 2005
Citation: in recognition of outstanding contributions to the field of optical communications
Honorary Member, A. F. Ioffe Institute, St. Petersburg, Russia, 2005
William Streifer Scientific Achievement Award, IEEE Lasers and Electro-Optics Society, 2003.
Citation: for pioneering contributions to vertical cavity surface emitting lasers and VCSEL arrays for wavelength-division-multiplexing applications
Miller Professor, Miller Institute for Basic Research in Science, 2003-2004
Curtis W. McGraw Research Award, the American Society of Engineering Education, 2000.
Fellow of Institution of Electrical Engineers (IEE), 2003.
Fellow of IEEE, 1998.
Citation: For contributions to electro-optics in the area of monolithic semiconductor laser arrays.
Fellow of Optical Society of America, 1997.
Citation: For the design and analysis of vertical cavity surface emitting laser arrays and the invention of 2D wavelength-controlled optoelectronic devices.
Presidential Faculty Fellow, White House, 1994-7.
30 awards are given annually by the White House to faculty in all areas of science and engineering. Sponsored by the NSF.
Packard Fellow, David and Lucile Packard Foundation, 1992-7.
20 awards are given annually to faculty in all areas of science and engineering.
Distinguished Lecturer Award of IEEE Lasers and Electro-Optics Society, 1994-5.
Citation Lecture: Vertical Cavity Laser Arrays
Alfred P. Sloan Research Fellow, Alfred P. Sloan Foundation, 1994-5.
Reid and Polly Anderson Faculty Chair, Stanford University, 1993-5.
National Young Investigator Award, National Science Foundation 1992-4.
Young Alumnus of the Year, University of California at Davis, 1993.
Outstanding Young Electrical Engineer Award Winner, Eta Kappa Nu Honor Electrical Engineer Society, 1992.
Citation: by virtue of her notable contributions to electro-optics in the area of monolithic semiconductor laser arrays and leadership in professional societies.
Best Paper Award, The First Soviet-American Joint Workshop on the Physics of Semiconductor Lasers, Leningrad, USSR, May 1991.
Paper Title: Monolithic multiple wavelength tunable vertical cavity surface emitting laser array.
Bellcore Interim Award, Bellcore, 1990-91.
D. J. Sakrison Prize for the Best PhD Dissertation from U.C. Berkeley, 1989.
Thesis Title: High power performance and modulation of semiconductor lasers
Quantum Fellowship from the American Electronics Association, 1984-87.
California Fellowship in Microelectronics and Computer Sciences, 1982-84.
First Place in the PhD Preliminary Examination, EECS Dept., U.C. Berkeley, 1983.
Graduate with Highest Honor from University of California, Davis, 1982.
Departmental Citation, Dept. EECS, U.C. Davis, 1982.
Second Prize in IEEE Central Area Student Paper Contest, 1982.
President's Undergraduate Fellowship, UC Davis, 1981.

Awards Received By Mentored Students

Roger Chen, Best Student Award, 2010 IEEE Photonics Society Annual Meeting, Denvor, Co.
Roger Chen, ISCS Student Award, 2010 International Symposium on Compound Semiconductors (ISCS ’10), Kagawa, Japan.
Christopher Chase, Best Poster Award. Workshop on photonic technologies for access and interconnects 2010, Stanford, CA.
Vadim Karagodsky, Second Place, Best Poster Award, international Nano-Optoelectronics Workshop (iNOW) 2010.
Wai Son (Wilson) Ko, Second Plase, Best Poster Award, iNOW 2010.
Christopher Chase, Third Place, Best Poster Award, iNOW 2010.
Roger Chen, Second Place, Best Poster Award, iNOW 2010.
Kar Wei (Billy) Ng, Third Place, Best Poster Award, iNOW 2010.
Michael Moewe, First Place, Best Poster Award, iNOW 2009.
Roger Chen, Second Place, Best Poster Award, iNOW 2009.
Christopher Chase, Third Place, Best Poster Award, iNOW 2009.
Wai Son (Wilson) Ko, Honorable Mention, Best Poster Award, iNOW 2009.
Roger Chen, National Defense Science and Engineering Fellowship (NDSEG), 2009
Devang Parekh, Infinera Best Student Paper Award Finalist, Optical Fiber Communication Conference and Exposition (OFC ‘09), San Diego.
Forrest Sedgwick, 2009 Leon Chua Award, EECS, University of California, Berkeley.
Bala Pesala, Demetri Angelakos Award, EECS, University of California, Berkeley 2009
Weijian Yang, Maxine Pao Memorial Fellowship, UC Berkeley, 2009.
Linus C. Chuang, Outstanding Graduate Student Instructor Award, UC Berkeley, 2009.
Xiaoxue Zhao, 2008 B.U. Chen Memorial Scholarship, Photonic Society of Chinese Americans.
Christopher Chase, Second Place, Student Poster Award, international Nano-Optoelectronics Workshop (iNOW) 2008.
Roger Chen, Second Place, Student Poster Award, iNOW 2008.
Michael Moewe, Honorable Mention, Student Poster Award, iNOW 2008.
Xiaoxue Zhao, 2007 Leon Chua Award, 2007. EECS, University of California, Berkeley.
M. Huang, Best Student Paper, 65th Annual Device Research Conference, 2007.
Ye Zhou, Best Student Paper Award, Optical Society of America (OSA), 2007.
Ye Zhou, M.C.Y. Huang and C.J. Chang-Hasnain, “Very Large Fabrication Tolerance of VCSELs Using High-Contrast Subwavelength Grating," Frontiers in Optics Conference, San Jose, CA, 17-20 September 2007.
Linus C. Chuang, First Place of Student Poster Award, iNOW 2007.
Linus C. Chuang, Michael Moewe, Shanna Crankshaw, Chris Chase, “Epitaxial III-V Nanowires on Lattice-Mismatched Substrates by MOCVD”, International Nano-Optoelectronics Workshop, Beijing and Lanzhou, China, 7/29-8/11/07
Bala Pesala, Best Paper of Topical Meeting, OSA, 2007.
Bala Pesala, Forrest G. Sedgwick, Alexander V. Uskov, Connie Chang-Hasnain, Tony H. Lin, “THz Tunable Slow Light and Fast Light of Ultrashort Pulses in Semiconductor Optical Amplifiers”, OSA Topical Meeting on Slow and Fast light, Salt Lake City, Utah, 8-11 July 2007.
Mike Huang, PhD 2007, received B.U. Wang Memorial Scholarship given by the Photonic Society of Chinese Americans, 2007
P. C. Ku, Ross Tucker Award, AIME Electronic Materials Awards, 2004
Lukas Chrostowski, Demetri Angelakos Award, EECS, University of California, Berkeley 2004
Chih-Hao Chang, PhD 2003, received B.U. Wang Memorial Scholarship given by the Photonic Society of Chinese Americans, 2003
Happy Hsin, Berkeley Regents’ and Chancellor’s Scholarship, 2002-2006
Janice Hudgings, Best Student Paper Award, Optical Society of America, 1998. Paper: J.A. Hudgings, S.F. Lim, R.J. Stone, G.S. Li, W. Yuen, K.Y. Lau, and C.J. Chang-Hasnain, "Applications and Device Physics of a Novel VCSEL with an Intracavity Quantum-Well Absorber," OSA Annual Meeting, Baltimore, MD, October 1998.
Janice Hudgings, Intel Foundation Graduate Fellowship, 1998-1999
Yongan Wu, graduate research assistant, received B.U. Wang Memorial Scholarship given by the Photonic Society of Chinese Americans, 1996.
Keith Toh, undergraduate research assistant, received Dean's Award for Academic Achievement for extraordinary intellectual accomplishments, Stanford University, 1995.