Patent ID: 7636522
Filing Date: 2009-12-22
Classification: B82Y,G02B,H01S,H04B

Abstract:
1. An optical transmission network comprising: an optical transmitter including: an optical receiver including: a photodiode coupled to one of the plurality of outputs of the optical decombiner, the photodiode generating an electrical signal a second circuit coupled to the optical decombiner, the second circuit configured to spectrally shift the filter grid, in response to a control signal, such that at least a portion of the filter grid matches at least a portion of the wavelength grid, wherein the optical decombiner demultiplexes the WDM signal so that each of the plurality of second optical signals is provided by a corresponding one of the plurality of outputs of the optical decombiner; and a third circuit configured to generate the control signal based on, at least in part, the electrical signal.