Wavelength converter for binary optical signals

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

1998-02-11

1999-11-02

Lee, John D.

Optical: systems and elements

Optical frequency converter

359332, G02F 135

Patent

active

059781297

ABSTRACT:
The invention relates to a wavelength converter including an interferometer structure for delivering an output optical signal, in which converter a first branch contains a first semiconductor optical amplifier and a second branch contains a second semiconductor optical amplifier, the amplifiers being coupled to a common probe laser, and said first amplifier being organized to receive a modulating input signal, said converter including regulator means for acting on the total optical power delivered to said amplifier in response to a negative feedback signal representative of the extinction ratio of the output signal. The invention is applicable to making routing systems using wavelength-division multiplexing.

REFERENCES:
patent: 5619368 (1997-04-01), Swanson
patent: 5673140 (1997-09-01), Fisher
patent: 5903384 (1999-05-01), Bulow
C. Jorgensen et al, "Wavelength Conversion by Optimized Monolithic Integrated Mach-Zehnder Interferometer", IEEE Photonics Technology Letters, vol. 8, No. 4, Apr. 1, 1996, pp. 521-523.

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