Clock recovery

Details Clock recovery Clock recovery

1993-09-09

1995-01-31

Goldstein, Herbert

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359171, 359158, 372 38, H04B 1006

Patent

active

053863119

ABSTRACT:
Optical clock recovery is performed on an optical signal containing both data and clock information by applying it to a photodetector and adding part of the resulting electrical signal to the bias of a self-pulsating laser diode so as to force its pulsation frequency to the frequency and phase of the clock component of the optical signal.

REFERENCES:
patent: 4586186 (1986-04-01), Anderson
patent: 4679252 (1987-07-01), Holland
patent: 4805235 (1989-02-01), Henni
patent: 4979185 (1990-12-01), Bryans et al.
patent: 5007070 (1991-04-01), Chao et al.
patent: 5063567 (1991-11-01), Nakajima
Barnsley et al., "A 4.times.5 Gb/S Transmission System will All-Optical Clock Recovery", IEEE Photonics Technology Letter, vol. 4 No. 1, Jan. 1992, pp. 83-86.
Barnsley et al., "All-Optical Clock Recovery from 5 Gb/s RZ Data Using a Self-Pulsating 1.56 .mu.m Laser Diode" IEEE Photonics Technology Letter, vol. 3, No. 10, Oct. 1992, pp. 942-945.
Barnsley et al., "Clock Extraction Using Saturable Absorption in a Semiconductor Nonlinear Optical Amplifier", IEEE Photonics Technology Letter, vol. 3, No. 9, Sep. 1991, pp. 832-834.

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