Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1993-10-07
1996-04-30
Boudreau, Leo
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359162, 359174, H04B 1004
Patent
active
055130305
ABSTRACT:
An optical pulse retiming and reshaping circuit for soliton transmission in a transmission system with distributed amplifiers transmits the pulses through an optical modulator, uses a slow photodiode to determine the mean power transmitted (or intercepted) by the modulator. This is used for generating a control signal for use in a phase-locked loop to regulate the phase of an oscillator driving the modulator.
REFERENCES:
patent: 4805235 (1989-02-01), Henmi
patent: 5170274 (1992-12-01), Kuwata et al.
Boudreau Leo
Negash Kinfe-Michael
Northern Telecom Limited
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