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Crosstalk Analysis of FSK Light Label on 112 Gbps DP-QPSK Signal in CNCG ROADM Network

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Abstract

We investigated crosstalk of FSK supervisory channel superimposed on a 112 Gbps DP-QPSK caused by pass-band narrowing effect in CNCG ROADM network. We estimated maximum number of ROADM nodes and frequency misalignment tolerance between main signal and center frequency of WSS pass-band that the FSK light label technique could support.

© 2014 Optical Society of America

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