Type-II second-harmonic generation and sum-frequency mixing in uniform KTiOPO4 channel waveguides
- 6 September 1993
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 63 (10) , 1301-1303
- https://doi.org/10.1063/1.109711
Abstract
Type‐II second‐harmonic generation was investigated in channel waveguides fabricated in potassium titanyl phosphate (KTiOPO4) crystals by ion exchange. The birefringence of the guided‐wave structure was used to provide phasematching. A green (509 nm) output power of 0.25 mW was produced by frequency doubling the 1018‐nm output of a titanium:sapphire laser; this power is 200 times greater than what would be obtained in the corresponding bulk interaction. Phasematching for second‐harmonic generation was found to have broad tolerances with respect to temperature and wavelength. Blue light at 483 nm was produced by sum‐frequency mixing of 1064‐nm and 883‐nm light.Keywords
This publication has 9 references indexed in Scilit:
- Magnitude of the nonlinear-optical coefficients of KTiOPO_4Optics Letters, 1992
- Efficient sum-frequency upconversion in a resonantly pumped Nd:YAG laserOptics Letters, 1992
- Fabrication and characterization of planar ion-exchanged KTiOPO4 waveguides for frequency doublingApplied Physics Letters, 1991
- Absolute and relative nonlinear optical coefficients of KDP, KD*P, BaB/sub 2/O/sub 4/, LiIO/sub 3/, MgO:LiNbO/sub 3/, and KTP measured by phase-matched second-harmonic generationIEEE Journal of Quantum Electronics, 1990
- Noncritically phase-matched frequency doubling using 994 nm dye and diode laser radiation in KTiOPO4Applied Physics Letters, 1989
- Diode laser pumped blue-light source based on intracavity sum frequency generationApplied Physics Letters, 1989
- Generation of blue light by intracavity frequency mixing of the laser and pump radiation of a miniature neodymium:yttrium aluminum garnet laserApplied Physics Letters, 1988
- Generation of blue cw coherent radiation by sum frequency mixing in KTiOPO4Applied Physics Letters, 1987
- Competition between Random and Preferential Ejection in High-Yield Mercury-Ion SputteringJournal of Applied Physics, 1968