Quantum cascade microlasers with highly deformed spiral-resonators

Dongxia Qu, Richard Cendejas, Zhijun Liu, Claire F. Gmachl, Fred Towner

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We study the spectral characteristics of spiral-shaped micro-cylindrical quantum cascade lasers with various spiral geometries. With medium deformations and notch angles, our lasers can achieve single-mode emission with a side-mode suppression ratio over 30 dB.

Original languageAmerican English
Title of host publicationConference on Lasers and Electro-Optics, CLEO 2008
PublisherOptical Society of America
ISBN (Print)9781557528599
StatePublished - Jan 1 2008
EventConference on Lasers and Electro-Optics, CLEO 2008 - San Jose, CA, United States
Duration: May 4 2008May 9 2008


ConferenceConference on Lasers and Electro-Optics, CLEO 2008
Country/TerritoryUnited States
CitySan Jose, CA

ASJC Scopus subject areas

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this