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DOE OSTI · 1735031

Mid-infrared vertical cavity laser

Jayaraman, Vijaysekhar·Lascola, Kevin·Segal, Stephen·Towner, Fredrick·Cable, Alex Ezra
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Abstract

Disclosed is an optically pumped vertical cavity laser structure operating in the mid-infrared region, which has demonstrated room-temperature continuous wave operation. This structure uses a periodic gain active region with type I quantum wells comprised of InGaAsSb, and barrier/cladding regions which provide strong hole confinement and substantial pump absorption. A preferred embodiment includes at least one wafer bonded GaAs-based mirror. Several preferred embodiments also include means for wavelength tuning of mid-IR VCLs as disclosed, including a MEMS-tuning element. This document also includes systems for optical spectroscopy using the VCL as disclosed, including systems for detection concentrations of industrial and environmentally important gases.

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BibTeXRIS

Jayaraman, Vijaysekhar, Lascola, Kevin, Segal, Stephen, Towner, Fredrick, Cable, Alex Ezra. 2020-07-14. Mid-infrared vertical cavity laser. https://www.osti.gov/biblio/1735031

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