Microlaser pumped subnanosecond optical parametric generator based on a fan-out type MgO:PPLN crystal

Jonas Banys; Simona Armalyte; Vygandas Jarutis; Ona Balachninaite; Julius Vengelis

doi:10.1117/12.2665233

8 June 2023 Microlaser pumped subnanosecond optical parametric generator based on a fan-out type MgO:PPLN crystal

Jonas Banys, Simona Armalyte, Vygandas Jarutis, Ona Balachninaite, Julius Vengelis

Proceedings Volume PC12569, Nonlinear Optics and Applications XIII; (2023) https://doi.org/10.1117/12.2665233
Event: SPIE Optics + Optoelectronics, 2023, Prague, Czech Republic

Abstract

Subnanosecond pulse duration optical parametric generator (OPG) based on fan-out grating design MgO:PPLN crystal is demonstrated. In a fan-out grating design crystal, the effective grating period and thus quasi-phase-matching (QPM) conditions change continuously throughout the width of the crystal. We show that the OPG, based on a fan-out periodically poled crystal and pumped by a micro-laser system, permits a compact and effective subnanosecond coherent light source that could be rapidly, widely, and continuously tunable in the near-infrared spectral region (1.4- 4.4 μm) just by laterally displacing the crystal with up to 50% conversion efficiency. Full characterization of the OPG is performed and the feasibility of broadband OPG output is evaluated with the addition of numerical calculations based on a nonlinear model. This work has received funding from European Regional Development Fund (project No. 01.2.2-LMT-K-718-03-0004) under grant agreement with the Research Council of Lithuania (LMTLT).

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Citation Download Citation

Jonas Banys, Simona Armalyte, Vygandas Jarutis, Ona Balachninaite, and Julius Vengelis "Microlaser pumped subnanosecond optical parametric generator based on a fan-out type MgO:PPLN crystal", Proc. SPIE PC12569, Nonlinear Optics and Applications XIII, (8 June 2023); https://doi.org/10.1117/12.2665233

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