Continuous-Wave, Dual-Cavity, Doubly Resonant, Optical Parametric Oscillator

Colville, F., Padgett, M. and Dunn, M. (1994) Continuous-Wave, Dual-Cavity, Doubly Resonant, Optical Parametric Oscillator. Applied Physics Letters, 64(12), pp. 1490-1492.

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We have demonstrated a continuous-wave optical parametric oscillator that uses separate optical cavities to resonate independently the nondegenerate signal and idler frequencies. The three-mirror cavity utilizes the type II phase-matching geometry in lithium triborate, with the orthogonally polarized signal and idler fields separated by an intracavity, dichroic-coated, Brewster-angled beam splitter. This dual-cavity oscillator can overcome mode and cluster hopping effects, which are characteristic of doubly resonant, continuous-wave optical parametric oscillators. We measure a pump power threshold of almost-equal-to 200 mW and smooth tuning over almost-equal-to 0.4 GHz. The tuning range is limited by pump resonance effects within the idler cavity.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Padgett, Professor Miles
Authors: Colville, F., Padgett, M., and Dunn, M.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Applied Physics Letters
Journal Abbr.:Appl. Phys. Lett.

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