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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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https://hal.laas.fr/hal-02472740
Contributor : Antoine Monmayrant <>
Submitted on : Friday, November 6, 2020 - 2:36:27 PM
Last modification on : Wednesday, November 18, 2020 - 10:50:40 AM

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

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