Room Temperature Interband Cascade Lasers

Abstract

An analysis of the threshold current densities and differential slope efficiencies in interband cascade lasers with type-II active regions revealed lower Auger recombination rates than anticipated theoretically or using the data from prior experiments. Furthermore, a new design of the waveguide yielded room-temperature internal losses as low as approx. = 6/cm. The combination of these advances with improvements to the processing of narrow ridges has led operation up to 335 K in continuous-wave mode for devices emitting at 3.3-3.7 microns. An 8.7-micron-wide ridge without facet coatings produced up to 23 mW of cw power at 300 K, and displayed a maximum wall-plug efficiency of 2.0%.

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Document Details

Document Type
Technical Report
Publication Date
Jan 01, 2010
Accession Number
ADA514531

Entities

People

  • C. L. Canedy
  • Chul Soo Kim
  • I. Vurgaftman
  • J. Abell
  • J. R. Lindle
  • J. R. Meyer
  • Min Suk Kim
  • W. W. Bewley

Organizations

  • United States Naval Research Laboratory

Tags

Communities of Interest

  • Advanced Electronics

DTIC Thesaurus Topics

  • Chemical Vapor Deposition
  • Coatings
  • Coefficients
  • Current Density
  • Efficiency
  • Electronics Laboratories
  • Electrons
  • Energy Bands
  • Energy Gaps
  • High Temperature
  • Lasers
  • Materials
  • Narrow Band Gap Semiconductors
  • Quantum Cascade Lasers
  • Quantum Well Lasers
  • Semiconductor Lasers
  • Semiconductors

Fields of Study

  • Materials science

Readers

  • Materials Science and Engineering.
  • Optical Physics and Photonics.

Technology Areas

  • Directed Energy