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Proceedings Paper

Whispering gallery optical parametric oscillators for the mid-infrared spectral range
Author(s): Ingo Breunig; Kevin Hanka; Yuechen Jia; Kevin T. Zawilski; Peter G. Schunemann; Karsten Buse
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Paper 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.

Paper Details

Date Published: 15 February 2018
PDF: 7 pages
Proc. SPIE 10516, Nonlinear Frequency Generation and Conversion: Materials and Devices XVII, 105160E (15 February 2018); doi: 10.1117/12.2292834
Show Author Affiliations
Ingo Breunig, Univ. of Freiburg (Germany)
Fraunhofer Institute for Physical Measurement Techniques (Germany)
Kevin Hanka, Univ. of Freiburg (Germany)
Yuechen Jia, Univ. of Freiburg (Germany)
Kevin T. Zawilski, BAE Systems (United States)
Peter G. Schunemann, BAE Systems (United States)
Karsten Buse, Univ. of Freiburg (Germany)
Fraunhofer Institute for Physical Measurement Techniques (Germany)


Published in SPIE Proceedings Vol. 10516:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVII
Konstantin L. Vodopyanov; Kenneth L. Schepler, Editor(s)

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