Optical waveguide device and optical second harmonic generator u

Details Optical waveguide device and optical second harmonic generator u Optical waveguide device and optical second harmonic generator u

1991-04-17

1992-12-01

Davie, James W.

Optical: systems and elements

Optical frequency converter

Harmonic generator

385122, 385130, H03F 700, G02B 612

Patent

active

051683881

ABSTRACT:
An optical waveguide device is disclosed which comprises a KTiOPO.sub.4 single crystal substrate and an amorphous optical waveguide formed of Ta.sub.2 O.sub.5 or Ta.sub.2 O.sub.5 doped with TiO.sub.2. A second harmonic generator device in the form of the Cerenkov radiation using the optical waveguide has high SHG efficiency. Since the Cerenkov angle can be made small by optimizing the dimensions, the spread angle of the SHG light can be made small.

REFERENCES:
patent: 4740265 (1988-04-01), Bierlein et al.
patent: 4763019 (1988-08-01), Duguay et al.
patent: 5022729 (1991-06-01), Tamada et al.
J. Opt. Soc. Am B/vol. 6, No. 4, Apr., 1989, pp. 622-633; "Potassium Titanyl Phosphate: Properties and New Applications", by John D. Bierlein et al.

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