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(11)

EP 1 989 826 A2

(12)

(88) Date of publication A3: 31.07.2008 (43) Date of publication: 12.11.2008 Bulletin 2008/46 (21) Application number: 07757009.1 (22) Date of filing: 14.02.2007

(51) International Patent Classification (IPC):  H04L 12/26(2006.01) (86) International application number: PCT/US2007/062162 (87) International publication number: WO 2007/095593 (23.08.2007 Gazette 2007/34)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 14.02.2006 US 773515 P 14.02.2006 US 773516 P 14.02.2006 US 773507 P 03.03.2006 US 779198 P (71) Applicant: Finisar Corporation Sunnyvale, CA 94089 (US)

(72) Inventors: VEDANABHATLA, Kiranmai San Jose, CA 95134 (US) HIBBERT, Geoffrey San Jose, CA 95123 (US) GARCIA, Roumel, R. Vallejo, CA 94589 (US) BULLIS, George, A. Glendora, CA 91741 (US) MILNE, Andrew, J. Sierra Madre, CA 91024 (US) KLOTZ, Steven, R. Austin, TX 78750 (US) (74) Representative: Müller, Wolfram Hubertus et al Patentanwälte Maikowski & Ninnemann Postfach 15 09 20 10671 Berlin 10671 Berlin (DE)