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 languageEnglish (US)
Title of host publication2012 Conference on Lasers and Electro-Optics, CLEO 2012
StatePublished - Dec 6 2012
Event2012 Conference on Lasers and Electro-Optics, CLEO 2012 - San Jose, CA, United States
Duration: May 6 2012May 11 2012

Other

Other2012 Conference on Lasers and Electro-Optics, CLEO 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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  • Cite this

    Chiu, Y. T., Dikmelik, Y., Zhang, Q., Khurgin, J. B., & Gmachl, C. F. (2012). Engineering the intersubband lifetime with interface roughness in Quantum Cascade lasers. In 2012 Conference on Lasers and Electro-Optics, CLEO 2012 [6325911]