C. Schubert et al., 160-Gb/s polarization insensitive all-optical demultiplexing using a gain-transparent ultrafast nonlinear interferometer (GT-UNI), IEEE PHOTON, 13(11), 2001, pp. 1200-1202
In this letter, we report on a polarization-insensitive,all-optical demulti
plexer based on gain-transparent operation of a semiconductor optical ampli
fier in an ultrafast nonlinear interferometer (GT-UNI) using polarization d
iversity. Error-free demultiplexing from 160 to 10 Gb/s is demonstrated.