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Transparent performance monitoring and channel identification by new client independent control modulation technique

: Rohde, M.; Caspar, C.; Raub, F.; Bachus, E.-J.

DOI: 10.1049/el:20020389

	Electronics Letters 38 (2002), No.12, pp.587-588 ISSN: 0013-5194

	English
	Journal Article
	Fraunhofer HHI ()
	optical fibre networks; optical noise; self-phase modulation; superradiance; transparent performance monitoring; high-frequency digital control signal; overhead channel; early warning function; amplified spontaneous emission noise; all-optical networks; group velocity dispersion; channel identification; client independent control modulation technique

Abstract
A new in-channel monitoring technique for transparent networks using a high-frequency digital control signal for optical performance monitoring and channel identification is investigated experimentally. A client independent overhead channel is established that serves as an early warning function for client channel performance degradation due to amplified spontaneous emission noise and self-phase modulation.

: http://publica.fraunhofer.de/documents/N-12833.html