Wavelength converting device and method of fabricating wavelengt

Details Wavelength converting device and method of fabricating wavelengt Wavelength converting device and method of fabricating wavelengt

1999-03-18

2000-12-19

Lee, John D.

Optical: systems and elements

Optical frequency converter

Dielectric optical waveguide type

385122, 385141, G02F 1365

Patent

active

061633976

ABSTRACT:
A wavelength converting device for converting a wavelength of a light is provided. The wavelength converting device includes: a substrate comprising MgO; a waveguide membrane comprising KNbO.sub.3, for guiding the light; a buffer membrane which is disposed between the substrate and the waveguide membrane and which comprises KTa.sub.x Nb.sub.(1-x) O.sub.3. A mixing rate of Ta in the KTa.sub.x Nb.sub.(1-x) O.sub.3 in the buffer membrane is in a range of 40 atom % to 60 atom % at a surface of the buffer membrane touching the substrate, and is 0 atom % at a surface of the buffer membrane touching the waveguide membrane.

REFERENCES:
patent: 5581396 (1996-12-01), Kubota et al.

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