title: Wide wavelength tuning of an optical parametric oscillator through electro-optic shaping of the gain spectrum.
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.
authors.forename: P
authors.initials: P
authors.lastname: Gross
authors.forename: M E
authors.initials: ME
authors.lastname: Klein
authors.forename: H
authors.initials: H
authors.lastname: Ridderbusch
authors.forename: D-H
authors.initials: DH
authors.lastname: Lee
authors.forename: J-P
authors.initials: JP
authors.lastname: Meyn
authors.forename: R
authors.initials: R
authors.lastname: Wallenstein
authors.forename: K-J
authors.initials: KJ
authors.lastname: Boller