Abstract

We demonstrate a 100 Gb/s demultiplexer for data with arbitrary input states of polarization using a polarization insensitive, two-wavelength, nonlinear optical loop mirror (2λ NOLM). The device uses 450 m of twisted fiber to achieve polarization sensitivity <0.5 dB, timing window ~5.5 ps, contrast ratio >15 dB, and Q-parameter >15. The polarization sensitivity is reduced from 5 dB (non-twisted fiber) to <0.5 dB (twisted fiber) because the twisting equates the parallel- and cross-nonlinear coefficients.¹

© 1999 Optical Society of America