A novel method for optical subcarrier label generation is proposed and demonstrated with a dual-drive Mach-Zehnder modulator performing carrier-suppressed modulation. An optical signal consisting of a 10 Gbit/s payload and a 156 Mbit/s label was generated, and its performance was evaluated in a 50 km standard fibre transmission link.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el_20030265
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