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Journal Articles Optics Express Year : 2020

Extended cavity quantum cascade laser with cavity resonator integrated grating filter

Abstract

We report on an extended cavity quantum cascade laser based on a cavity resonator integrated grating filter (CRIGF) that acts as both cavity end-reflector and spectral selector. Stable, mode-hop free, single-mode emission around 2150 cm−1 is obtained over large injection current ranges (more than 50 mA) with a typical threshold around 290 mA. A digital frequency tuning over more than 65 cm−1 is obtained by changing the periodicity of the CRIGF ending the extended cavity.
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Dates and versions

hal-02472740 , version 1 (06-11-2020)

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Sylvain Augé, S. Gluchko, A. Fehrembach, E. Popov, Thomas Antoni, et al.. Extended cavity quantum cascade laser with cavity resonator integrated grating filter. Optics Express, 2020, 28 (4), pp.4801-4809. ⟨10.1364/OE.385740⟩. ⟨hal-02472740⟩
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