Continuous wave operation of quantum cascade lasers based on vertical transitions at λ=4.6 μm

Continuous wave operation of quantum cascade lasers based on vertical transitions at λ=4.6 μm

Continuous wave operation of a quantum cascade laser at λ=4.6 μm is reported above liquid nitrogen temperature. Optical powers of 15 mW at 50 K and 2 mW at 85 K are reported. The single mode spectrum is temperature tunable over 1.8 cm −1. A linewidth of 115 Mhz is measured with a Fabry–Perot on thos...

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Veröffentlicht in:Superlattices and microstructures 1996, Vol.19 (4), p.337-345
Hauptverfasser: Faist, Jérôme, Capasso, Federico, Sirtori, Carlo, Sivco, Deborah L., Hutchinson, Albert L., Chu, Sung-Nee G., Cho, Alfred Y.
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Sprache:eng
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Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
Semiconductor lasers
laser diodes
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container_end_page 345
container_issue 4
container_start_page 337
container_title Superlattices and microstructures
container_volume 19
creator Faist, Jérôme
Capasso, Federico
Sirtori, Carlo
Sivco, Deborah L.
Hutchinson, Albert L.
Chu, Sung-Nee G.
Cho, Alfred Y.
description Continuous wave operation of a quantum cascade laser at λ=4.6 μm is reported above liquid nitrogen temperature. Optical powers of 15 mW at 50 K and 2 mW at 85 K are reported. The single mode spectrum is temperature tunable over 1.8 cm −1. A linewidth of 115 Mhz is measured with a Fabry–Perot on those free running devices. Gain measurements show evidence for ultra low linewidth enhancement factor α
doi_str_mv 10.1006/spmi.1996.0037
format Article
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source ScienceDirect Journals (5 years ago - present)
subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Lasers
Optics
Physics
Semiconductor lasers
laser diodes
title Continuous wave operation of quantum cascade lasers based on vertical transitions at λ=4.6 μm
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