Simulations of a four-channel AWGR FFT show the mean signal quality is the inverse of the phase variance of the arrayed waveguides. The phase error should <15 degrees for an 84% device yield.
© 2012 OSA
A. J. Lowery, "Sensitivity to Phase Errors of Fourier Transforms using Arrayed Waveguide Grating Routers for Optical OFDM," in National Fiber Optic Engineers Conference, OSA Technical Digest (Optical Society of America, 2012), paper JTh2A.7.
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