Method and apparatus for controlling a SOA-MZI wavelength...

Details Method and apparatus for controlling a SOA-MZI wavelength... Method and apparatus for controlling a SOA-MZI wavelength...

2006-08-15

2006-08-15

Lee, John D. (Department: 2874)

Optical: systems and elements

Optical frequency converter

C359S330000

Reexamination Certificate

active

07092146

ABSTRACT:
A method and apparatus for controlling an optical gain difference and an optical phase difference in a semiconductor optical amplifier—Mach-Zehnder interferometer (SOA-MZI) wavelength converter having two arms and that outputs probe output signals POHand POL, corresponding to pump input signals of logic high and logic low, respectively. The controlling includes detecting an optical power level of the output probe signals and controlling at least one of an optical gain difference between the two arms and an optical phase difference between the two arms in accordance with a detected optical power level of the probe output signal.

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