Ultrafast gain dynamics in a quantum cascade laser

Hyunyong Choi, Zong Kwei Wu, Theodore B. Norris, Tobias Gresch, Marcella Giovannini, Jérôme Faist, Laurent Diehl, Federico Capasso

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

Abstract

Time-resolved mid-infrared pump-probe measurements in a quantum cascade laser operating above threshold reveal gain recovery dynamics to be two-fold: relaxation within a stage on a sub-picosecond scale and transport between stages on a picosecond scale.

Original languageEnglish
Title of host publicationQuantum Electronics and Laser Science Conference, QELS 2006
PublisherOptical Society of America
ISBN (Print)1557528136, 9781557528131
Publication statusPublished - 2006 Jan 1
EventQuantum Electronics and Laser Science Conference, QELS 2006 - Long Beach, CA, United States
Duration: 2006 May 212006 May 21

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherQuantum Electronics and Laser Science Conference, QELS 2006
CountryUnited States
CityLong Beach, CA
Period06/5/2106/5/21

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All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

Cite this

Choi, H., Wu, Z. K., Norris, T. B., Gresch, T., Giovannini, M., Faist, J., Diehl, L., & Capasso, F. (2006). Ultrafast gain dynamics in a quantum cascade laser. In Quantum Electronics and Laser Science Conference, QELS 2006 (Optics InfoBase Conference Papers). Optical Society of America.