Role of interface roughness in the transport and lasing characteristics of quantum-cascade lasers

Jacob B. Khurgin, Yamac Dikmelik, Peter Q. Liu, Anthony J. Hoffman, Matthew D. Escarra, Kale J. Franz, Claire F. Gmachl

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

Abstract

A density-matrix based theory of transport and lasing in quantum-cascade lasers reveals that large disparity between lasing linewidth and tunneling broadening changes the design guidelines to favor strong coupling between injector and upper laser level.

Original languageEnglish (US)
Title of host publicationConference on Lasers and Electro-Optics, CLEO 2009
StatePublished - Dec 1 2009
EventConference on Lasers and Electro-Optics, CLEO 2009 - Baltimore, MD, United States
Duration: May 31 2009Jun 5 2009

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherConference on Lasers and Electro-Optics, CLEO 2009
CountryUnited States
CityBaltimore, MD
Period5/31/096/5/09

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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    Khurgin, J. B., Dikmelik, Y., Liu, P. Q., Hoffman, A. J., Escarra, M. D., Franz, K. J., & Gmachl, C. F. (2009). Role of interface roughness in the transport and lasing characteristics of quantum-cascade lasers. In Conference on Lasers and Electro-Optics, CLEO 2009 (Optics InfoBase Conference Papers).