Patent ID: 8111996
Filing Date: 2012-02-07
Classification: G02B

Abstract:
1. A photonic integrated circuit, comprising: a substrate: a plurality of optical transmitters provided on the substrate, each of the plurality of optical transmitters supplying a corresponding one of a plurality of first optical signals and a corresponding one of a plurality of second optical signals, each of the first plurality of optical signals having a corresponding one of a plurality of wavelengths, and each of the second plurality of optical signals having said corresponding one of the plurality of wavelengths; and an arrayed waveguide grating having a first plurality of input ports and a second plurality of input ports, each of the first plurality of input ports is configured to receive a respective one of the plurality of first optical signals, and each of the second plurality of input ports is configured to receive a respective one of the plurality of second optical signals, wherein the arrayed waveguide grating further includes first and second output ports, the first output port being configured to supply a first wavelength division multiplexed signal including the plurality of first optical signals and the second output port is configured to supply a second wavelength division multiplexed optical signal including the plurality of second optical signals.