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Continuous-wave, singly-resonant, optical parametric oscillator based on periodically poled KTiOPO4
Author(s) -
Tony Edwards,
Graham A. Turnbull,
Malcolm H. Dunn,
M. Ebrahim-Zadeh
Publication year - 2000
Publication title -
optics express
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.6.000058
Subject(s) - optical parametric oscillator , optics , materials science , continuous wave , wavelength , grating , laser , crystal (programming language) , signal (programming language) , optoelectronics , optical parametric amplifier , sapphire , nonlinear optics , physics , optical amplifier , computer science , programming language
A continuous-wave singly-resonant optical parametric oscillator (SRO) has been implemented using a 20 mm long crystal of periodically poled KTiOPO 4 (PPKTP) intracavity-pumped at room temperature within a Ti:sapphire laser. The device delivers a maximum output power of 455 mW at a non-resonant idler wavelength of 2.47 microm. The 28.5-microm grating PPKTP crystal provides SRO tuning over 1.14-1.27 microm (signal) and 2.23-2.73 microm (idler) limited by optical coating bandwidths and corresponding to a pump tuning range of 805.5-811.2 nm. Temperature tuning of the device generated signal and idler ranges of 1.18-1.26 microm and 2.29-2.57 microm, respectively, corresponding to an average tuning rate of 1.2 nm/degree (signal) and 4.5 nm/degree (idler). Ring-cavity configuration of the device resulted in generation of 115 mW of single-frequency idler output at 2.35 microm.

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