Multi-wavelength cross-connect optical switch

(54) MULTI-WAVELENGTH CROSS-CONNECT OPTICAL SWITCH

(75) Inventors: Olav Solgaard, Davis, CA (US);

Jonathan P. Heritage, Davis, CA (US);
Amal R. Bhattarai, Davis, CA (US)

(73) Assignee: The Regents of the University of
California, Oakland, CA (US)

( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.

(21) Appl. No.: 09/813,446

(22) Filed: Mar. 20, 2001

(65) Prior Publication Data

US 2002/0012489 Al Jan. 31, 2002

Related U.S. Application Data

(63) Continuation ol application No. 09/618,320, filed on Jul. 18, 2000, now Pat. No. 6,289,145, which is a continuation ol application No. 09/022,591, filed on Feb. 12,1998, now Pat. No. 6,097,859.

(60) Provisional application No. 60/038,172, filed on Feb. 13, 1997.

(51) Int. CI. G02B 6/35

(52) U.S. CI 385/18; 385/17

(58) Field of Search 385/16-24

(56) References Cited

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OTHER PUBLICATIONS

Koga, Masafumi et al.; "8x16 Delivery-and-CouplingType optical switches fro a 320-Gbit/s Throughput Optical Path Cross-Connect System," OFC /96 Technical Digest, pp. 259-261, (1996).

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Patel, J.S. et al., "Liquid Crystal and Grating-Based Multiple-Wavelength Cross-Connect Switch," IEEE Photonics Technology Letters, vol. 7, No. 5, pp. 514-516, May, 1995.

Jeong, et al., "Comparision of Wavelength-Interchanging and Wavelength-Selective Cross-Connects in Multiwavelength All-Optical Networks," Proceedings of 1996 15th Annual Joint Conference of IEEE Computer and Communications Societies, INFOCOM '96, Pt. 1 (of 3), pp. 156-163, 1996.

* cited by examiner