Optical nonlinearities of opposite sign from intersubband transitions in GaN quantum wells

Gang Chen*, Ronen Rapaport, Oleg Mitrofanov, Claire Gmachl, Hock M. Ng

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

We show experimentally that the optical nonlinearities due to intersubband transitions in GaN quantum wells can have both signs, depending on the structure of choice. Nonlinear transmission measurements show strong, ultrafast induced absorption that may be used in future nonlinear optical devices.

Original languageEnglish
Pages (from-to)507-509
Number of pages3
JournalOSA Trends in Optics and Photonics Series
Volume88
StatePublished - 2003
Externally publishedYes
EventConference on Lasers and Electro-Optics (CLEO); Postconference Digest - Baltimore, MD, United States
Duration: 1 Jun 20036 Jun 2003

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