KANALAUSGLEICH EINES OPTISCHEN WELLENLÄNGENMULTIPLEXSIGNALS

The invention relates to methods and arrangements for channel balancing of a wavelenght division multiplexed optical signal. Channel balancing according to the invention is performed by using a resonator that provides a selection region in which a selected channel has a substantially increased power...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	STUBBE, RAOUL, HENRIKSSON, ANDERS, BERGMAN, MIKAEL, SANDGREN, SIMON, SAHLGREN, BENGT, OEHLANDER, ULF, ASSEH, ADEL
Format:	Patent
Sprache:	ger
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MULTIPLEX COMMUNICATION TRANSMISSION
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Beschreibung
Zusammenfassung:	The invention relates to methods and arrangements for channel balancing of a wavelenght division multiplexed optical signal. Channel balancing according to the invention is performed by using a resonator that provides a selection region in which a selected channel has a substantially increased power density relative to channels out of resonance. The selected channel is attenuated a desired amount, i.e. a desired amount of poer is removed therefrom, by adjusting the prperties of the selection region. In a preferred embodiment, attenuation is achieved by adjusting the selection region such that destructive interference is obtained for the selected channel in a fibre carrying the multiplexed optical signal.