VERFAHREN UND VORRICHTUNG ZUM HERAUSZIEHEN UND EINSETZEN VON EINEM KANAL FÜR OPTISCHE WDM ÜBERTRAGUNG

the system ensures correct balancing of final output multiplex signal after re-insertion of signals. A selection module (J) receives an upstream multiplex (M) and selectively diverts at least one channel of this multiplex towards an extraction port (C). A switching element (K) orientates this channe...

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Bibliographische Detailangaben
Hauptverfasser:	BRUYERE, FRANCK, DALOURA, JORGE, JOURDAN, AMAURY
Format:	Patent
Sprache:	ger
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY FREQUENCY-CHANGING MULTIPLEX COMMUNICATION NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	the system ensures correct balancing of final output multiplex signal after re-insertion of signals. A selection module (J) receives an upstream multiplex (M) and selectively diverts at least one channel of this multiplex towards an extraction port (C). A switching element (K) orientates this channel and directs it during certain periods towards an insertion port (D) for the re-insertion into the downstream channel (N) to include at least one other channel of the upstream multiplex. An amplifier (1) is arranged with sufficient gain to increase the wave which circulates during these periods along a closed loop (C-E-F-D-C) which includes the two ports and the switching element. This wave enables the balancing of the downstream multiplex.