Engineering the intersubband lifetime with interface roughness in quantum cascade lasers

Yen Ting Chiu, Yamac Dikmelik, Qiang Zhang, Jacob B. Khurgin, Claire F. Gmachl

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

5 Scopus citations

Abstract

Due to interface roughness scattering, the lower laser state depopulation lifetime of Quantum Cascade lasers can be significantly reduced (e.g. from 0.25 to 0.09 picosecond theoretically) by placing additional interfaces strategically in the active region.

Original languageEnglish (US)
Title of host publicationCLEO
Subtitle of host publicationScience and Innovations, CLEO_SI 2012
PublisherOptical Society of America (OSA)
PagesCTh3N.1
ISBN (Print)9781557529435
DOIs
StatePublished - Jan 1 2012
EventCLEO: Science and Innovations, CLEO_SI 2012 - San Jose, CA, United States
Duration: May 6 2012May 11 2012

Publication series

NameCLEO: Science and Innovations, CLEO_SI 2012

Other

OtherCLEO: Science and Innovations, CLEO_SI 2012
CountryUnited States
CitySan Jose, CA
Period5/6/125/11/12

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials

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