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  • Recent alum Dr. Fanglu Lu has won the Best Student Paper Award at Compound Semiconductor Week 2015 for his paper, Long-Wavelength InGaAs/InP Quantum-Well-on-Nanopillar Laser Grown on Silicon. Congratulations, Fanglu!
  • Our research on using optomechanical forces inside lasing VCSEL cavities to produce a self-wavelength-swept source, published recently in Scientific Reports, has been mentioned in articles by UC Berkeley News and Wired.
  • The group's research on flexible, color-changing metastructures (artificial chameleon skin) was featured in a beautiful video by KQED's Deep Look.
  • News of the group's research into flexible photonic metastructures for tunable color, also known as artificial chameleon skin, has reached an audience of over 80 million, according to estimates by the Optical Society of America. This research has been covered by numerous media outlets, including Nature Nanotechnology, Newsweek, Discovery, Nature Photonics News, Gizmodo, and Digital Journal. The original article can be found in the open-access journal Optica.
    April 30, 2015

  • Prof. Chang-Hasnain received a UNESCO Medal "For the Development of Nanoscience and Nanotechnologies" during a ceremony at UNESCO Headquarters in Paris, France. Congratulations!
    April 10, 2015
    Nanoscience et nanotechnologies
  • The group's research into flexible, color-changing high-contrast gratings (HCGs), recently published in the journal Optica, has been written up in a news article on the Science magazine blog.
    March 12, 2015

  • Professor Chang-Hasnain is being highlighted in the next issue of Berkeley Engineer! Check out the preview here.
    October 20, 2014
  • Professor Tetsuya Mizumoto, Vice President for Education of Tokyo Institute of Technology, visited our lab and received a tour of the Marvell Nanofabrication Laboratory from James Ferrara.
    October 17, 2014
  • UC Berkeley and Tsinghua University launch research and graduate education partnership, Prof. Chang-Hasnain to be faculty lead for the new institute! Read about it here.
    September 9, 2014
  • Graduate student Linda Kun Li has won the prestigous Lam Research Graduate Fellowship!
    July 24, 2014
  • The group's research on nanolasers on silicon is the subject of an article at LiveScience.com
    July 12, 2014
  • Connie Chang-Hasnain has been selected to receive the 2014 Quantum Device Award at the International Symposium on Compound Semiconductors. This award honors pioneering contributions to the field of compound semiconductor devices and quantum nanostructure devices that have made a major impact in the past two decades. New device concepts and structures, device physics and modeling as well as device realization and characterization are covered by the Award. Prof. Chang-Hasnain is recognized "for seminal contributions to vertical cavity surface-emitting laser (VCSEL) arrays and tunable VCSELs."
    May 13,2014
  • Thai Tran won the Ross N. Tucker Memorial Award from the Department of Electrical Enginering and Computer Sciences.
    May 2, 2014
  • Fanglu Lu won the 2013 Chinese Government Award for Outstanding Self-financed Students Abroad. Prof. Chang-Hasnain gave a speech as the awardee's advisor in the award ceremony at San Francisco Chinese Consulate.

    April 22, 2014
  • High Contrast Grating Solver Package Released:The first public version of the Chang-Hasnain group's grating simulation package has been released on March 28, 2014. This powerful and user-friendly package can outperform RCWA for optical grating simulations.
  • The paper titled "GaAs nanoneedles grown on sapphire" is featured on the cover of March 21 2011 issue of Applied Physics Letters.
    Linus C. Chuang, Michael Moewe, Kar Wei Ng, Thai-Truong D. Tran, Shanna Crankshaw, Roger Chen, Wai Son Ko, and Connie Chang-Hasnain, "GaAs nanoneedles grown on sapphire", Appl. Phys. Lett. 98, 123101 (2011)

    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.

    Optical Fiber Communication Conference and Exposition, Los Angeles, March 8, 2011

  • The paper titled "Nanolasers grown on silicon" is featured on the cover of March 2011 issue of Nature Photonics.
    Roger Chen, Thai-Trung D. Tran, Kar Wei Ng, Wai Son Ko, Linus C. Chuang, Forrest G. Sedgwick and Connie Chang-Hasnain, "Nanolasers grown on silicon", Nature Photonics 5, 170-175 (2011)

    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

  • Prof. Connie Chang-Hasnain has won the IEEE David Sarnoff Award 2011 "for pioneering contributions to vertical cavity surface emitting laser (VCSEL) arrays and tunable VCSELs." This award requires a singular outstanding achievement, originality, and recent impact (within five years).

  • Roger Chen won Best Student Award at 2010 IEEE Photonics Society Annual Meeting, Denvor, CO.

    Roger Chen, Thai-Truong D. Tran, Kar Wei Ng, Wai Son Ko, Linus C. Chuang, Forrest G. Sedgwick and Connie Chang-Hasnain, "All-Semiconductor Nanolasers on Silicon", Annual Meeting of IEEE Photonics Society, Denver CO, Nov. 8-11, 2010

  • Roger Chen won ISCS Student Award, 2010 International Symposium on Compound Semiconductors (ISCS ’10), Kagawa, Japan.

    Roger Chen, Linus C. Chuang, Forrest G. Sedgwick, Wai Son Ko, Kar Wei Ng, Thai-Truong D. Tran, Connie Chang-Hasnain, "Monolithic Integration of InGaAs/GaAs Nanopillar LEDs on a Silicon Substrate", 2010 International Symposium on Compound Semiconductors (ISCS ’10), Kagawa, Japan, May 31 – June 4, 2010.

  • Prof. Connie Chang-Hasnain has been awarded the Humboldt Research Award from the Alexander von Humboldt Foundation.

    The award is granted 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.

    October 13, 2009

  • Prof. Connie Chang-Hasnain has been awarded a 2009 Guggenheim Memorial Foundation Fellowship.

    Guggenheim Fellows are appointed 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.

    April 7, 2009

  • Prof. Connie Chang-Hasnain has been selected as one of the new National Security Science and Engineering Fellows.

    DoD Names Two Additional National Security Science And Engineering Fellows
    DoD Names Inaugural Class of National Security Science and Engineering Fellows

    This is a very prestigious recognition, honoring 8 distinguished scientists and engineers in its inaugural round. Selected from over 350 applicants from all fields of sciences and engineering, 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".

    "Every NSSEFF award--up to $3 million in total direct research support for up to five years--provides DoD with top-tier researchers from U.S. universities, each conducting long-term, unclassified, basic research on challenging technical problems of strategic national security importance," said William Rees, Jr., deputy under secretary of defense for laboratories and basic sciences. "It also affords significant opportunities for Fellows to contribute to research programs within the DoD laboratories."

    November 07, 2008

  • Xiaoxue Zhao wins the 2007-08 Leon Chua Award.
    The Leon Chua award is presented to a graduate student or undergraduate student or recent alumnus for outstanding research in the area of nonlinear science. The award was made possible by a donation from a former student of Professor Chua, Professor S.M. Kang, when he was Head of the Department of Electrical and Computer Engineering at the University of Illinois at Urbana-Champaign. In January 2001, Dr. Kang was named Dean of the Jack Baskin School of Engineering at the University of California at Santa Cruz. Since March 2007, Prof. Kang is the Chancellor of the University of California, Merced. Please attend the Department's Student Awards Ceremony at 3:00 p.m. on Friday, May 9th in the Hewlett-Packard Auditorium, room 306 Soda Hall, where Wendy will receive recognition for the award. A reception will follow in the Wozniak Lounge, room 430-438 Soda Hall.

  • M.C.Y. Huang Huang & Ye Mervin Zhou won the 65th Annual Device Research Conference, 2007
    One Best Student Paper Awards is selected at each DRC. Papers that are based on the independent research of the graduate student who is presenting the work are eligible for the Best Student Paper Award. The award is made based on the quality of the written abstract and the oral or poster presentation. The awardee will be presented with a certificate and monetary award check at the 66th Annual Device Research Conference, June 23-25, 2008.

  • Xiaoxue Zhao received B.U. Chen Memorial Scholarship given by the Photonic Society of Chinese Americans, 2008.

  • Ye Zhou and M.C.Y. Huang won the Best Student Paper, Optical Society of America Frontiers in Optics Conference, 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.

  • 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.
Last Updated March 2011