Optical communication-use wavelength conversion device

Details Optical communication-use wavelength conversion device Optical communication-use wavelength conversion device

2007-04-17

2007-04-17

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S332000, C385S122000

Reexamination Certificate

active

10523170

ABSTRACT:
A wavelength converter that is used in an optical communication system utilizing wavelength multiplexing. The wavelength converter has a quasi-phase matched quartz crystal that has a second-order nonlinear effect, and a light coupling device that mixes the signal light and control light and inputs this mixed light into the quasi-phase matched quartz crystal. The wavelength converter also has quartz type optical fibers between the light coupling device and the quasi-phase matched quartz crystal. The mode diameter of the quartz type optical fibers is substantially the same as the mode diameter of the optical waveguide.

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