Mid-infrared parametric generation in OP-GaAs waveguides pumped by a femtosecond erbium-doped fluoride fiber laser

Myriam Bailly; Rezki Becheker; Said Idlahcen; Thomas Godin; Bruno Gérard; Hugo Delahaye; Sébastien Février; Arnaud Grisard; Eric Lallier; Ammar Hideur

doi:10.1117/12.2582510

5 March 2021 Mid-infrared parametric generation in OP-GaAs waveguides pumped by a femtosecond erbium-doped fluoride fiber laser

Myriam Bailly, Rezki Becheker, Said Idlahcen, Thomas Godin, Bruno Gérard, Hugo Delahaye, Sébastien Février, Arnaud Grisard, Eric Lallier, Ammar Hideur

Author Affiliations +

Proceedings Volume 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX; 116700R (2021) https://doi.org/10.1117/12.2582510
Event: SPIE LASE, 2021, Online Only

Abstract

We report on the design of OP-GaAs rib waveguides for frequency conversion in the mid-infrared and explore their performances for parametric generation. The samples used are between 10 and 25 mm long and exhibit quasi-phasematched (QPM) periods from 85 to 100 μm. The waveguides are pumped by a femtosecond erbium-doped fluoride fiber laser combined with a soliton self-frequency shift converter delivering sub-300 fs pulses at a wavelength tunable between 2.8 and 3.3 μm. By adjusting the pump wavelength, our OP-GaAs platform can produce ultrashort pulses widely tunable around 4 and 12 μm for the signal and idler, respectively. These results fit quite well our calculations of QPM curves.

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Myriam Bailly, Rezki Becheker, Said Idlahcen, Thomas Godin, Bruno Gérard, Hugo Delahaye, Sébastien Février, Arnaud Grisard, Eric Lallier, and Ammar Hideur "Mid-infrared parametric generation in OP-GaAs waveguides pumped by a femtosecond erbium-doped fluoride fiber laser", Proc. SPIE 11670, Nonlinear Frequency Generation and Conversion: Materials and Devices XX, 116700R (5 March 2021); https://doi.org/10.1117/12.2582510

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