Recent advances in IR semiconductor laser diodes and future trends

M. Razeghi*, Y. Bai, N. Bandyopadhyay, B. Gokden, Q. Y. Lu, S. Slivken

*Corresponding author for this work

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

Abstract

The wall plug efficiency of the mid-infrared quantum cascade laser in room temperature continuous wave (cw) operation is brought to 21%, with a maximum output power of 5.1 W. Using a surface grating distributed feedback (DFB) approach, we demonstrated 2.4 W single mode output in room temperature cw operation. With a photonic crystal distributed feedback (PCDFB) design, we achieved single mode spectrum and close to diffraction limited far field with a room temperature high peak power of 34 W.

Original languageEnglish (US)
Title of host publication2011 IEEE Photonics Society Summer Topical Meeting Series
Pages55-56
Number of pages2
DOIs
StatePublished - Sep 26 2011
Event2011 IEEE Photonics Society Summer Topical Meeting Series - Montreal, QC, Canada
Duration: Jul 18 2011Jul 20 2011

Publication series

Name2011 IEEE Photonics Society Summer Topical Meeting Series

Other

Other2011 IEEE Photonics Society Summer Topical Meeting Series
CountryCanada
CityMontreal, QC
Period7/18/117/20/11

Keywords

  • Quantum cascade lasers
  • distributed feedback
  • high power
  • high wall plug efficiency

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

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