Light wavelength converter

Details Light wavelength converter Light wavelength converter

1990-03-26

1991-09-10

Ullah, Akm

Optical: systems and elements

Optical frequency converter

Harmonic generator

372 22, 359332, 385122, 385130, H03F 700, G02B 610

Patent

active

050468022

ABSTRACT:
A light wavelength converter comprising a substrate that is made of a material with a non-linear optical effect, and a loop-shaped optical waveguide that is formed on the substrate, whereby a second harmonic wave or a sum wave emanates from a fundamental wave that has been propagated in a specific area of the optical waveguide and part of the fundamental wave that has not been converted to the second harmonic wave or the sum wave is returned to the specific area of the optical waveguide, so that a fundamental wave with a relatively low output can be efficiently converted to a second harmonic wave and a high-output second harmonic wave can be obtained.

REFERENCES:
patent: 4739507 (1988-04-01), Byer et al.
patent: 4763019 (1988-08-01), Duguay et al.
patent: 4852961 (1989-08-01), Yamamoto et al.
patent: 4925263 (1990-05-01), Sanford et al.
patent: 4930132 (1990-05-01), Shimizu et al.
W. J. Kozlovsky et al, IEEE Journal Quantum Electronics, vol. 24, No. 6, Jun. 1988, pp. 913-919.

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