An optical de-interleaver for de-interleaving light beams of odd and even channel signals having channel spacing S into light beams of odd channel signals having channel spacing 2S and light beams of even channel signals having channel spacing 2S is provided which has only one polarization interferometer...http://www.google.fr/patents/US6624939?utm_source=gb-gplus-shareBrevet US6624939 - 50/100 and 50/200 GHz de-interleaver with high isolation and dispersion compensation
50/100 and 50/200 GHz de-interleaver with high isolation and dispersion ...
