Optical switch fabric with redundancy

Details Optical switch fabric with redundancy Optical switch fabric with redundancy

2005-04-19

2005-04-19

Hyeon, Hae Moon (Department: 2839)

Optical waveguides

With optical coupler

Switch

C385S017000

Reexamination Certificate

active

06882766

ABSTRACT:
An optical switch fabric with an input stage, an output stage, and a center stage coupled in a cascaded manner. The center stage includes (1) a minimum number of center switches greater than one that cause the optical switch fabric to be strict-sense nonblocking and (2) at least one additional center switch to provide redundancy for the optical switch fabric. A module is described that includes optical input and output switches coupled to an optical center stage of an optical switch fabric. The module includes an interior cavity that contains free space beams from both the optical input switch and the optical output switch. A method is described for reconfiguring a redundant optical switch into a multilevel optical switch without interrupting operation of the signals carried by the optical switch by adding additional switch components and reconfiguring the fiber interconnection between switch elements.

REFERENCES:
patent: 4365863 (1982-12-01), Broussaud
patent: 4731825 (1988-03-01), Wojcinski et al.
patent: 4837855 (1989-06-01), Hajikano et al.
patent: 4848999 (1989-07-01), Taylor
patent: 4894818 (1990-01-01), Fujioka et al.
patent: 5016966 (1991-05-01), Bowen et al.
patent: 5204922 (1993-04-01), Weir et al.
patent: 5440654 (1995-08-01), Lambert, Jr.
patent: 5450512 (1995-09-01), Asakura
patent: 5457556 (1995-10-01), Shiragaki
patent: 5459606 (1995-10-01), Baranyai et al.
patent: 5467191 (1995-11-01), Kishner
patent: 5471332 (1995-11-01), Shiragaki et al.
patent: 5488862 (1996-02-01), Neukermans et al.
patent: 5524153 (1996-06-01), Laor
patent: 5555330 (1996-09-01), Pan et al.
patent: 5555558 (1996-09-01), Laughlin
patent: 5568575 (1996-10-01), Sato
patent: 5629790 (1997-05-01), Neukermans et al.
patent: 5805320 (1998-09-01), Kuroyanagi et al.
patent: 5872880 (1999-02-01), Maynard
patent: 5878177 (1999-03-01), Karasan et al.
patent: 5903686 (1999-05-01), MacDonald
patent: 5960133 (1999-09-01), Tomlinson
patent: 5963682 (1999-10-01), Dorschner et al.
patent: 6002818 (1999-12-01), Fatehi et al.
patent: 6005998 (1999-12-01), Lee
patent: 6044705 (2000-04-01), Neukermans et al.
patent: 6049412 (2000-04-01), Bergmann et al.
patent: 6097858 (2000-08-01), Laor
patent: 6097859 (2000-08-01), Solgaard et al.
patent: 6097860 (2000-08-01), Laor
patent: 6101299 (2000-08-01), Laor
patent: 6115517 (2000-09-01), Shiragaki et al.
patent: 6124956 (2000-09-01), Severn
patent: 6198856 (2001-03-01), Schroeder
patent: 6233072 (2001-05-01), Liu et al.
patent: 6236481 (2001-05-01), Laor
patent: 6249626 (2001-06-01), Bergmann
patent: 6253001 (2001-06-01), Hoen
patent: 6278812 (2001-08-01), Lin et al.
patent: 6289145 (2001-09-01), Solgaard et al.
patent: 6289148 (2001-09-01), Lin et al.
patent: 6292597 (2001-09-01), Lagali et al.
patent: 6295154 (2001-09-01), Laor et al.
patent: 6307653 (2001-10-01), Bala et al.
patent: 6317529 (2001-11-01), Kashima
patent: 6317530 (2001-11-01), Ford
patent: 6320993 (2001-11-01), Laor
patent: 6327398 (2001-12-01), Solgaard et al.
patent: 6330102 (2001-12-01), Daneman et al.
patent: 6337760 (2002-01-01), Huibers et al.
patent: 6347167 (2002-02-01), Hagelin
patent: 6366713 (2002-04-01), Lin et al.
patent: 6396602 (2002-05-01), Kaiser et al.
patent: 6396976 (2002-05-01), Little et al.
patent: 6411751 (2002-06-01), Giles et al.
patent: 6456751 (2002-09-01), Bowers et al.
patent: 6466711 (2002-10-01), Laor et al.
patent: 6473544 (2002-10-01), Daneman et al.
patent: 6483961 (2002-11-01), Helkey et al.
patent: 6483962 (2002-11-01), Novotny
patent: 6487329 (2002-11-01), Foltzer
patent: 6542655 (2003-04-01), Dragone
patent: 6549691 (2003-04-01), Street et al.
patent: 6549692 (2003-04-01), Harel et al.
patent: 6560384 (2003-05-01), Helkey et al.
patent: 6567576 (2003-05-01), MacDonald
patent: 6585383 (2003-07-01), Helkey
patent: 6587611 (2003-07-01), Hunt
patent: 6610974 (2003-08-01), Hunt et al.
patent: 6668108 (2003-12-01), Helkey et al.
patent: 20020159681 (2002-10-01), MacDonald
patent: 20030091271 (2003-05-01), Dragone
patent: 197 57 181 (1999-07-01), None
patent: 1 120677 (2001-08-01), None
patent: 1 120 989 (2001-08-01), None
patent: 5-107485 (1993-04-01), None
patent: 2000-19434 (2000-01-01), None
patent: WO 9966354 (1999-12-01), None
patent: WO 0020899 (2000-04-01), None
patent: WO 0133898 (2001-05-01), None
patent: WO 0139413 (2001-05-01), None
Lena Wosinska, et al., “Large-Capacity Strictly Nonblocking Optical Cross-Connects Based on Microelectrooptomechanical Systems (MEOMS) Switch Matrices: Reliability Performance Analysis,” Journal of Lightwave Technology, vol. 19, No. 8, pp. 1065-1075 (Aug. 2001).
U.S. Provisional Patent Application No. 60/293,197 filed May 25, 2001 (referred to in U.S. Patent Application Publication No. 2002/0159681 A1, published Oct. 8, 2002).
Lin L. Y. et al., “Micro-electro-mechanical systems (MEMS) for WDM optical-crossconnect Networks” Military Communications Conference Proceedings, 1999. Milcom 1999. IEEEAtlantic City, NJ, USA 31 Oct. 3-Nov. 1999, Piscataway, NJ, USA, IEEE, US, Oct. 31, 1999, pp. 954-957, XP01036982, ISBN: 0-7803-5538-5. 3.
“Lucent's New All-Optical Router Uses Bell Labs Microscopic Mirrors,” Bells Labs press release, pp. 1-4, Nov. 10, 1999. http://www.bell-labs.com
ews/1999
ovember/10/1.html.
D.T. Neilson, V.A. Aksyuk, S. Amey, N.R. Basavanhally, K.S. Bhalla, D.J. Bishop, B.A. Boie, C.A. Bolle, J.V. Gates, A.M. Gottlieb, J.P. Hickey, N.A. Jackman, P.R. Kolodner, S.K. Korotky, B. Mikkelsen, F. Pardo, G. Raybon, R. Ruel, R.E. Scotti, T.W. Van Blarcum, L. Zhang, and C.R. Giles, “Fully Provisional 112×112 Micro-Mechnical Optical Crossconnect With 35.8Tb/s Demonstrated Capacity,” OFC 2000 Tech. Dig., Baltimore, Maryland, pp. 202-204 (Mar. 7-10, 2000).
V.A. Aksyuk, F. Pardo, C.A. Bolle, S. Arney, C.R. Giles, and D.J. Bishop, “Lucent Microstar Micromirror Array Technology for Large Optical Crossconnects,” XP-001038165, Proceedings of the SPIE, Spie,, Bellingham, VA, USA, vol. 4178, pp. 320-324 (2000).
Michael A. Gallo and William M. Hancock, “Networking Explained,” Butterworth-Heinemann, pp. 174-175 (1999).
Thomas E. Stern and Krishna Bala, “Multiwavelength Optical Networks A Layered Approach,” Addison Wesley, pp. 39-46 (May 13, 1999).

Affiliated with

Also associated with

Rating

Optical switch fabric with redundancy does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Optical switch fabric with redundancy, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Optical switch fabric with redundancy will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3407017