Method and system for a polarization immune wavelength division multiplexing demultiplexer

摘要

Methods and systems for a polarization immune wavelength division multiplexing demultiplexer are disclosed and may include, in an optoelectronic transceiver having an input coupler, a demultiplexer, and an amplitude scrambler: receiving input optical signals of different polarization via the input coupler, communicating the input optical signals to the amplitude scrambler via waveguides, configuring the average optical power in each of the waveguides utilizing the amplitude scrambler, and demultiplexing the optical signals utilizing the demultiplexer. The amplitude scrambler may include phase modulators and a coupling section. The phase modulators may include sections of P-N junctions in the two waveguides. The demultiplexer may include a Mach-Zehnder Interferometer. The demultiplexed signals may be received utilizing photodetectors. The input coupler may include a polarization splitting grating coupler. The average optical power may be configured above which demultiplexer control circuitry is able to control the demultiplexer to process incoming optical signals.

主权项

1. A method for optical communication, the method comprising:
in a transceiver having an input coupler, a demultiplexer, and an amplitude scrambler:
receiving at least two modulated input optical signals of different polarization via the input coupler;communicating the at least two input optical signals to the amplitude scrambler via two waveguides;configuring the average optical power in each of the two waveguides utilizing the amplitude scrambler; anddemultiplexing the at least two optical signals utilizing the demultiplexer, wherein the demultiplexer comprises a plurality of phase modulation sections coupled to outputs of the amplitude scrambler.