Wavelength converter for binary optical signals

Details Wavelength converter for binary optical signals Wavelength converter for binary optical signals

1998-04-09

1999-12-21

Lee, John D.

Optical: systems and elements

Optical frequency converter

359332, G02F 139

Patent

active

060057084

ABSTRACT:
The invention relates to wavelength converters for optical signals, as used in telecommunications, in particular for routing signals. The invention relates in particular to a wavelength converter including an interferometer structure for delivering an output optical signal, in which converter first and second branches, including at least one first semiconductor optical amplifier, are coupled to input peripheral semiconductor optical amplifiers and/or to an output peripheral semiconductor optical amplifier, wherein the structure of the active waveguide of at least one peripheral amplifier is so designed that it has a ratio of active area to confinement factor greater than that of the active waveguide of said first amplifier.

REFERENCES:
patent: 4775215 (1988-10-01), Teng et al.
patent: 5619368 (1997-04-01), Swanson
patent: 5673140 (1997-09-01), Fisher
patent: 5903384 (1999-05-01), Bulow
W. Idler et al. "10 GB/S Wavelength Conversion with Integrated Multiquantum-Well-Based 3-Port Mach-Zehnder Interferometer", IEEE Photonics Tehcnology Letters, vol. 8, No. 9 Sep. 1996, pp. 1163-1165.

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