Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Du Xu0
Wei Tan0
Sheng Wang0
Huan Song0
Date of Patent
March 3, 2009
0Patent Application Number
109262360
Date Filed
August 26, 2004
0Patent Primary Examiner
Patent abstract
A multiple-plane OBS node comprises N input ports, N 1×N switches, N switching planes, N2 FDLs, N optical couplers, and N output ports, each input port is connected with the input of a corresponding 1×N switches, the N outputs of each 1×N switch are connected with a corresponding input of each switching plane respectively, a corresponding output of each switching plane is connected with the input of the same corresponding optical coupler via a respective FDL, and each output port is connected with the output of a corresponding optical coupler, wherein N is an integer.
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