Wavelength converting device and its method for manufacturing

Details Wavelength converting device and its method for manufacturing Wavelength converting device and its method for manufacturing

1993-01-28

1994-08-23

Lee, John D.

Optical waveguides

Having nonlinear property

359328, 359332, G02F 137

Patent

active

053414497

ABSTRACT:
An object of the present invention is to provide a wavelength converting device which generates a second harmonic by directly leading a laser beam emitted from a semiconductor laser to a waveguide. A waveguide is formed on a plate-shaped device substrate made of LiNbO.sub.3. The polarization of the waveguide is perpendicular to both the waveguide direction of the waveguide and a normal direction of the main surface of the device substrate. Further, the polarization of the waveguide is periodically inverted by the polarization inverting layers along the waveguide direction of the waveguide.

REFERENCES:
patent: 4971416 (1990-11-01), Khanarian et al.
patent: 5052770 (1991-10-01), Papuchon
patent: 5109462 (1992-04-01), Watanabe et al.
patent: 5170460 (1992-12-01), Arvidsson et al.

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