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Proceedings Paper

Broadband wavelength control for optical parametric oscillation in radially-poled whispering gallery resonators
Author(s): Sarah-Katharina Meisenheimer; Josef U. Fürst; Annelie Schiller; Karsten Buse; Ingo Breunig
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Paper 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.

Paper Details

Date Published: 4 March 2016
PDF: 7 pages
Proc. SPIE 9731, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV, 97310U (4 March 2016); doi: 10.1117/12.2212509
Show Author Affiliations
Sarah-Katharina Meisenheimer, Univ. of Freiburg (Germany)
Fraunhofer-Institut für Physikalische Messtechnik (Germany)
Josef U. Fürst, Univ. of Freiburg (Germany)
Annelie Schiller, Univ. of Freiburg (Germany)
Karsten Buse, Univ. of Freiburg (Germany)
Fraunhofer-Institut für Physikalische Messtechnik (Germany)
Ingo Breunig, Univ. of Freiburg (Germany)


Published in SPIE Proceedings Vol. 9731:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XV
Konstantin L. Vodopyanov; Kenneth L. Schepler, Editor(s)

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