Improved performance of quantum cascade lasers through a scalable, manufacturable epitaxial-side-down mounting process

Alexei Tsekoun, Rowel Go, Michael Pushkarsky, Manijeh Razeghi, C. Kumar N. Patel*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

68 Scopus citations

Abstract

We report substantially improved performance of high-power quantum cascade lasers (QCLs) by using epitaxial-side-down mounting that provides superior heat dissipation properties. We used aluminum nitride as the heatsink material and gold-tin eutectic solder. We have obtained continuous wave power output of 450 mW at 20°C from mid-IR QCLs. The improved thermal management achieved with epitaxial-side-down mounting combined with a highly manufacturable and scalable assembly process should permit incorporation of mid-IR QCLs in reliable instrumentation.

Original languageEnglish (US)
Pages (from-to)4831-4835
Number of pages5
JournalProceedings of the National Academy of Sciences of the United States of America
Volume103
Issue number13
DOIs
StatePublished - Mar 28 2006

Keywords

  • Continuous wave operation
  • High-power lasers
  • Mid-IR semiconductor lasers
  • Room temperature operation

ASJC Scopus subject areas

  • General

Fingerprint

Dive into the research topics of 'Improved performance of quantum cascade lasers through a scalable, manufacturable epitaxial-side-down mounting process'. Together they form a unique fingerprint.

Cite this