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. 2002 Aug 15;27(16):1433-5.
doi: 10.1364/ol.27.001433.

Wide wavelength tuning of an optical parametric oscillator through electro-optic shaping of the gain spectrum

P Gross, M E Klein, H Ridderbusch, D-H Lee, J-P Meyn, R Wallenstein, K-J Boller

Wide wavelength tuning of an optical parametric oscillator through electro-optic shaping of the gain spectrum

P Gross et al. Opt Lett. .

Abstract

We present a novel technique for tuning an optical parametric oscillator (OPO) through electro-optically induced shape variations of the parametric gain spectrum in quasi-phase-matched lithium niobate (LN). The diode-pumped, triply resonant continuous-wave OPO is based on a 58-mm-long LN crystal that consists of three equally long sections, the outer sections being periodically poled with a 50% duty cycle. The center section is single-domain material and serves as a tunable phase shifter through the electro-optic effect. By application of a voltage of up to 1230 V, the OPO signal and idler wavelengths are tuned over 102 nm from 1560 to 1660 nm, in good agreement with theory.

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