VCSELs pp 291-317 | Cite as

High-Contrast Grating VCSELs

  • Connie J. Chang-Hasnain
Part of the Springer Series in Optical Sciences book series (SSOS, volume 166)


We review a recent invention of single-layer one-dimensional high-index-contrast subwavelength grating (HCG) and its incorporation into a VCSEL structure. The HCG is approximately 50 times thinner than a conventional distributed Bragg reflector (DBR), but offers higher reflectivity with a much broader spectral width. It provides lithographically defined control of polarization, transverse mode and emission wavelength. Using this ultrathin reflector, the tunable mirror in a micro-mechanical HCG-VCSELs are fabricated with a \(10^{4}\) times volume reduction and more than two orders of magnitude improved tuning speed.


Wavelength Division Multiplex Transverse Electric Distribute Bragg Reflector Rigorous Couple Wave Analysis Grating Spacing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The author wishes to acknowledge major contributions from former and current graduate students at UC Berkeley, C. Mateus, M. Huang, Y. Zhou, C. Chase, V. Karagodsky and Y. Rao; and fruitful collaborations with Profs. Fumio Koyama and Markus Amann. She also thanks the support of a National Security Science and Engineering Faculty Fellowship and National Science Foundation through CIAN NSF ERC under grant #EEC-0812072.


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© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Electrical Engineering and Computer ScienceUniversity of CaliforniaBerkeleyUSA

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