All optical clock recovery

Details All optical clock recovery All optical clock recovery

2006-09-05

2006-09-05

Phan, Hanh (Department: 2613)

Optical communications

Transmitter and receiver system

Including synchronization

C398S154000, C398S175000, C398S176000, C385S001000, C385S002000, C385S003000, C385S004000, C385S005000, C385S015000, C372S029010, C372S029011, C372S043010, C372S044010, C372S011000, C372S012000, C372S013000, C372S018000

Reexamination Certificate

active

07103282

ABSTRACT:
All optical clock recovery includes a transmitter for generating an optical timing signal. The transmitter includes a semiconductor laser for the production of a dynamically synchronizable timing signal, the laser having an external resonator for feedback of the timing signal to the laser, the feedback having a delay time greater than a relaxation oscillation time for the laser, and the laser outputting an optical timing signal having a characteristic dynamic. The transmitter supplies the optical timing signal to a receiver configured to receive the timing signal and to synchronize to the laser on receipt of the timing signal, such that the receiver outputs a recovered timing signal having the characteristic dynamic. A number of receivers may be provided in sequence along an optical path, each receiver configured to receive the timing signal originally outputted with the characteristic dynamic from the transmitter, and synchronized to the transmitter on receiving the signal and thereby outputting a recovered timing signal having the characteristic dynamic. All optical clock recovery is provided without increased electronic complexity and avoids thermal drift.

REFERENCES:
patent: 4079339 (1978-03-01), Kobayashi et al.
patent: 5353146 (1994-10-01), Webb
patent: 5446573 (1995-08-01), Lomashevitch
patent: 6314115 (2001-11-01), Delfyett et al.
patent: 6707839 (2004-03-01), Sakata
patent: 0 378 447 (1990-07-01), None
patent: WO 00/55950 (2000-09-01), None
B.K. Mathason and P.J. Delfyett, Pulsed injectino locking dynamics of passively mode-locking external-cavity semiconductor laser systems for all-optical clock recovery, Aug. 2000, J. of Lightwave Technology, IEEE vol. 18, No. 8, pp. 1111-1120.
Mathason et al., J. Lightwave Technology, Vo. 18, No. 18, p. 1111-1120 Aug. 2000.
Mathason, B.K. and Delfyett, P.J.: “Pulsed Injection Locking Dynamics of Passively Mode-Locked External-Cavity Semiconductor Laser Systems for All-Optical Clock Recovery”.
O'Mahony M.J.: “Semiconductor Laser Amplifiers as Repeaters” International Conference on Integrated Optics and Optical Fibre Communication (IOOC) and European Conference.

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