Broadband wavelength control for optical parametric oscillation in radially-poled whispering gallery resonators

Sarah-Katharina Meisenheimer; Josef U. Fürst; Annelie Schiller; Karsten Buse; Ingo Breunig

doi:10.1117/12.2212509

4 March 2016 Broadband wavelength control for optical parametric oscillation in radially-poled whispering gallery resonators

Sarah-Katharina Meisenheimer, Josef U. Fürst, Annelie Schiller, Karsten Buse, Ingo Breunig

Author Affiliations +

Proceedings Volume 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV; 97310U (2016) https://doi.org/10.1117/12.2212509
Event: SPIE LASE, 2016, San Francisco, California, United States

Abstract

Broadband infrared spectroscopy employing optical parametric oscillation in bow-tie cavities, including a periodically- poled lithium niobate (PPLN) crystal, is well known. We demonstrate, however, that such spectroscopy is also possible using 2-mm-size monolithic whispering gallery resonators (WGRs). This is achieved in a radially-poled WGR by controlling wavelength tuning despite triple resonance of pump, signal, and idler light. Simulated and measured tuning characteristics of the Type-0 OPOs, pumped at about 1 μm wavelength, coincide. Tuning branches, which are crossed or curved at degeneracy, are present over a spectral range of up to 0.9 µm. As a proof-of-principle experiment, we show that all spectroscopic features of ethanol can be resolved using the idler light between 2.2 and 2.55 μm.

Citation Download Citation

Sarah-Katharina Meisenheimer, Josef U. Fürst, Annelie Schiller, Karsten Buse, and Ingo Breunig "Broadband wavelength control for optical parametric oscillation in radially-poled whispering gallery resonators", Proc. SPIE 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, 97310U (4 March 2016); https://doi.org/10.1117/12.2212509

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