Wavelength conversion device and wavelength conversion method

Details Wavelength conversion device and wavelength conversion method Wavelength conversion device and wavelength conversion method

2008-11-21

2009-10-13

Sanghavi, Hemang (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S330000

Reexamination Certificate

active

07602544

ABSTRACT:
A wavelength conversion device that obtains, from an input light, a wavelength-converted light with a wavelength shift by a wavelength shift amount of Δλ is disclosed. The device comprises first and second wavelength converters. The first wavelength convertor shifts a central wavelength of a first wavelength-converted light by a first wavelength shift amount of Δλ1relative to a central wavelength of an input light. The second wavelength convertor shifts a central wavelength of a second wavelength-converted light by a second wavelength shift amount of Δλ2relative to a central wavelength of the first wavelength-converted light. The first wavelength shift amount of Δλ1and the second wavelength shift amount of Δλ2satisfy Δλ1+Δλ2=Δλ.

REFERENCES:
patent: 7239440 (2007-07-01), Tanaka
patent: 2001/0013965 (2001-08-01), Watanabe
patent: 2004/0184139 (2004-09-01), Tamai et al.
Masayuki Matsumoto, “A fiber-based all-optical 3R regenerator for DPSK signals,” B-10-22, 2006, 1 page.

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