Optical wavelength converting apparatus

Details Optical wavelength converting apparatus Optical wavelength converting apparatus

1993-04-01

1995-07-25

Lee, John D.

Optical: systems and elements

Optical frequency converter

Dielectric optical waveguide type

359328, 385122, G02F 137

Patent

active

054367573

ABSTRACT:
An optical wavelength converting apparatus comprises a fundamental wave source, which produces a laser beam serving as a fundamental wave, and an optical wavelength converting device, which is provided with an optical waveguide constituted of a nonlinear optical material. The optical wavelength converting device converts a wavelength of the laser beam impinging upon and guided through the optical waveguide. The optical waveguide is provided with a plurality of periodic domain-inverted structures, which effect phase matching between the laser beam and wavelength-converted waves. Reflection of the fundamental wave or wavelength-converted waves from end faces of the optical wavelength converting device is thereby minimized, and a plurality of wavelength-converted waves having high intensities are obtained in a state combined with one another.

REFERENCES:
patent: 5022729 (1991-06-01), Tamada et al.
patent: 5036220 (1991-07-01), Byer et al.
patent: 5113469 (1992-05-01), Hatakoshi et al.
patent: 5144636 (1992-09-01), Yoshida et al.
patent: 5157754 (1992-10-01), Bierlein et al.
patent: 5170460 (1992-12-01), Arvidsson et al.
patent: 5253102 (1993-10-01), Okazaki
"Interactions Between Light Waves in a Nonlinear Dielectric", Physical Review, J. A. Armstrong et al, vol. 127, No. 6, Sep. 15, 1962, pp. 1918-1939.

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