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

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 languageAmerican English
Title of host publication2012 Conference on Lasers and Electro-Optics, CLEO 2012
StatePublished - 2012
Event2012 Conference on Lasers and Electro-Optics, CLEO 2012 - San Jose, CA, United States
Duration: May 6 2012May 11 2012

Publication series

Name2012 Conference on Lasers and Electro-Optics, CLEO 2012

Other

Other2012 Conference on Lasers and Electro-Optics, CLEO 2012
Country/TerritoryUnited States
CitySan Jose, CA
Period5/6/125/11/12

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

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