OPTICAL INTEGRATED CIRCUIT FOR COMPENSATING OPTICAL LOSS

PURPOSE:To provide an optical integrated circuit for compensating optical loss, where there is normally no loss fluctuation between an optical input and output without relying on the passing route of light. CONSTITUTION:The circuit is constituted of an optical circuit which forms the optical signal...

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Bibliographische Detailangaben
Hauptverfasser:	ITO TOSHIO, WATABE NAOYA
Format:	Patent
Sprache:	eng
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 NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF TRANSMISSION
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Beschreibung
Zusammenfassung:	PURPOSE:To provide an optical integrated circuit for compensating optical loss, where there is normally no loss fluctuation between an optical input and output without relying on the passing route of light. CONSTITUTION:The circuit is constituted of an optical circuit which forms the optical signal route including optical switch circuits 41 or optical waveguide circuits 42 which connect plural optical input lines 43 with optical output lines 44 and of optical amplifiers 45 compensating the loss of an optical signal which passes through the optical circuit. The optical amplifiers 45 compensate the loss of the optical signal in accordance with result calculated by a part 461 which calculates loss due to the route of the optical signal passing through the optical circuit of a controller 46.