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We report what is to our knowledge the first demonstration of a pump-enhanced singly resonant continuous-wave optical parametric oscillator. The nonlinear material used was lithium triborate cut for noncritical phase matching along the z axis, and the device was pumped by a single-frequency argon-ion laser. The oscillation threshold was similar to 1.0 W at 514.5 nm. For 3.4 W of pump power, we obtained single-frequency output powers of 500 mW in the nonresonant wave, which we temperature tuned over 14 nm.
|Glasgow Author(s):||Padgett, Prof Miles|
|Authors:||Robertson, G, Padgett, MJ, and Dunn, MH|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Journal Name:||Optics Letters|
|Journal Abbr.:||Opt. Lett.|