Whispering gallery optical parametric oscillators for the mid-infrared spectral range

Ingo Breunig; Kevin Hanka; Yuechen Jia; Kevin T. Zawilski; Peter G. Schunemann; Karsten Buse

doi:10.1117/12.2292834

15 February 2018 Whispering gallery optical parametric oscillators for the mid-infrared spectral range

Ingo Breunig, Kevin Hanka, Yuechen Jia, Kevin T. Zawilski, Peter G. Schunemann, Karsten Buse

Author Affiliations +

Proceedings Volume 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII; 105160E (2018) https://doi.org/10.1117/12.2292834
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

The tunability of cw optical parametric oscillators can be extended in the mid-infrared spectral range by using whispering gallery resonators (WGRs) made of non-oxide crystals. We demonstrate the fabrication of WGRs from silver gallium selenide, cadmium silicon phosphide and orientation-patterned gallium phosphide with quality factors above 10⁶ . The resonators made of the first two provide optical parametric oscillation in the mid-infrared pumped by a compact laser diode at 1.57 μm wavelength. The wavelength tunability of the device based on silver gallium selenide provides a tuning range beyond 8 μm wavelength. These achievements are considered as the first steps of cw optical parametric oscillators into this important spectral region.

Citation Download Citation

Ingo Breunig, Kevin Hanka, Yuechen Jia, Kevin T. Zawilski, Peter G. Schunemann, and Karsten Buse "Whispering gallery optical parametric oscillators for the mid-infrared spectral range", Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 105160E (15 February 2018); https://doi.org/10.1117/12.2292834

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