Optical wavelength converting apparatus and optical...

Details Optical wavelength converting apparatus and optical... Optical wavelength converting apparatus and optical...

2005-07-19

2005-07-19

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S330000

Reexamination Certificate

active

06919985

ABSTRACT:
An optical wavelength converting apparatus comprising first and second light sources and a nonlinear optical material. Beams from the two light sources, incident on the material, generate sum frequency light of these beams. The nonlinear optical material is provided with a periodic structure that matches phases of the beams from the two light sources with a phase of the sum frequency light of these beams. Also, wavelengths of the beams from the two light sources and of the sum frequency light of these beams, polarization directions of these three beams in the material, and propagation directions of these three beams in the material are determined such that an efficiency of conversion into sum frequency light does not change even with a change in one of the defining parameters, thus providing an advantageous pumping light source.

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patent: 6507594 (2003-01-01), Furukawa et al.
patent: 6697392 (2004-02-01), Ishino
patent: 2003/0016715 (2003-01-01), Furukawa et al.
patent: 6-175180 (1994-06-01), None

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