OPTICAL DELAY DEVICE, OPTICAL CIRCUIT, AND OPTICAL DELAY METHOD

PROBLEM TO BE SOLVED: To give a prescribed delay time to an optical signal in a small-scale configuration.SOLUTION: In an optical path r1, an input optical signal repeatedly passes the same route. An optical switch 150 can be switched between a non-output state where an optical signal inputted to th...

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Bibliographische Detailangaben
1. Verfasser:	ONAKA YOSHINORI
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 MULTIPLEX COMMUNICATION 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:	PROBLEM TO BE SOLVED: To give a prescribed delay time to an optical signal in a small-scale configuration.SOLUTION: In an optical path r1, an input optical signal repeatedly passes the same route. An optical switch 150 can be switched between a non-output state where an optical signal inputted to the optical path r1 is not outputted and an output state where the optical signal inputted to the optical path r1 is outputted. A control unit 160 switches the optical switch 150 to the non-output state until a prescribed delay time passes after input of the optical signal to the optical path r1, and switches the optical switch 150 to the output state at timing when the prescribed delay time passes after input of the optical signal to the optical path r1.