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 publication2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum Electronics and Laser Science Conference, CLEO/QELS 2009
StatePublished - Nov 16 2009
Event2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum Electronics and Laser Science Conference, CLEO/QELS 2009 - Baltimore, MD, United States
Duration: Jun 2 2009Jun 4 2009

Publication series

Name2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum Electronics and Laser Science Conference, CLEO/QELS 2009

Other

Other2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum Electronics and Laser Science Conference, CLEO/QELS 2009
CountryUnited States
CityBaltimore, MD
Period6/2/096/4/09

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering
  • Electronic, Optical and Magnetic Materials

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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 2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum Electronics and Laser Science Conference, CLEO/QELS 2009 [5224313] (2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum Electronics and Laser Science Conference, CLEO/QELS 2009).