Mid-IR supercontinuum in gallium arsenide waveguide

Geoffroy Granger; Myriam Bailly; Hugo Delahaye; Cristian Jimenez; Idris Tiliouine; Yann Leventoux; Jean-Christophe Orlianges; Vincent Couderc; Bruno Gérard; Rezki Becheker; Said Idlahcen; Thomas Godin; Ammar Hideur; Arnaud Grisard; Eric Lallier; Sebastien Fevrier

doi:10.1117/12.2655448

17 March 2023 Mid-IR supercontinuum in gallium arsenide waveguide

Geoffroy Granger, Myriam Bailly, Hugo Delahaye, Cristian Jimenez, Idris Tiliouine, Yann Leventoux, Jean-Christophe Orlianges, Vincent Couderc, Bruno Gérard, Rezki Becheker, Said Idlahcen, Thomas Godin, Ammar Hideur, Arnaud Grisard, Eric Lallier, Sebastien Fevrier

Author Affiliations +

Proceedings Volume PC12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII; PC1240508 (2023) https://doi.org/10.1117/12.2655448
Event: SPIE LASE, 2023, San Francisco, California, United States

Abstract

We report on mid-infrared supercontinuum generation from 4 to 9 µm in orientation-patterned gallium-arsenide waveguides pumped by nanojoule-class ultrafast fiber lasers. The QPM waveguide and the laser source are optimized in tandem to pump the waveguides close to the degeneracy by means of sub-picosecond pulses at 2760 nm. The use of a waveguide geometry drastically reduces the required energy to the nanojoule level, thereby opening supercontinuum generation in GaAs platforms to fiber lasers.

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Geoffroy Granger, Myriam Bailly, Hugo Delahaye, Cristian Jimenez, Idris Tiliouine, Yann Leventoux, Jean-Christophe Orlianges, Vincent Couderc, Bruno Gérard, Rezki Becheker, Said Idlahcen, Thomas Godin, Ammar Hideur, Arnaud Grisard, Eric Lallier, and Sebastien Fevrier "Mid-IR supercontinuum in gallium arsenide waveguide", Proc. SPIE PC12405, Nonlinear Frequency Generation and Conversion: Materials and Devices XXII, PC1240508 (17 March 2023); https://doi.org/10.1117/12.2655448

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