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Proceedings Paper

Mid-infrared frequency comb generation using a continuous-wave pumped optical parametric oscillator
Author(s): Markku Vainio; Ville Ulvila; C. R. Phillips; Lauri Halonen
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Paper Abstract

We report a mid-infrared frequency comb generator, which produces up to 3 W of output power. The comb mode spacing is 208 MHz, the spectral bandwidth is ~300 GHz, and the center wavelength is tunable between 3 and 3.4 μm. The comb generation is based on intracavity difference frequency mixing between near-infrared pump and signal beams of a continuous-wave-pumped optical parametric oscillator. The signal beam, which is resonant in the cavity, acquires a comb structure through cascading quadratic nonlinearities in a periodically poled lithium niobate crystal. This comb structure is transferred to the spectrum of the mid-infrared idler beam via the difference frequency mixing process.

Paper Details

Date Published: 20 February 2014
PDF: 8 pages
Proc. SPIE 8964, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII, 89640Y (20 February 2014); doi: 10.1117/12.2053986
Show Author Affiliations
Markku Vainio, Univ. of Helsinki (Finland)
Ctr. for Metrology and Accreditation (Finland)
Ville Ulvila, Univ. of Helsinki (Finland)
C. R. Phillips, ETH Zürich (Switzerland)
Lauri Halonen, Univ. of Helsinki (Finland)


Published in SPIE Proceedings Vol. 8964:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIII
Konstantin L. Vodopyanov, Editor(s)

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