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Wavelength modulation spectroscopy with a widely tunable InP-based 2.3 μm vertical-cavity surface-emitting laser

  • Siemens AG
  • Walter Schottky Institut
  • Vertilas GmbH

Research output: Contribution to journalArticlepeer-review

44 Scopus citations

Abstract

We report on the successful application of recently developed 2.3 μm InP-based vertical-cavity surface-emitting lasers with a buried tunnel junction in a wavelength modulation spectroscopy measurement for carbon monoxide (CO) detection. The electrically pumped devices operate at room temperature under cw operation with stable single-mode emission and should allow for parts in 10 6 (ppm) level resolution measurement of CO with a standard optical setup.

Original languageEnglish
Pages (from-to)1566-1568
Number of pages3
JournalOptics Letters
Volume33
Issue number14
DOIs
StatePublished - 15 Jul 2008

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