APPARATUS FOR COUPLING TWO SIGNALS

An apparatus (1) is proposed for providing coupling between at least a first input signal with a first signal frequency, and a second input signal with a second, different signal frequency. The apparatus comprises: a first input port (3); a second input port (5); a first output port (9); a second ou...

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Bibliographische Detailangaben
Hauptverfasser:	Javerzac-Galy, Clément, Feofanov, Olexiy, Steponavicius, Tomas, Anderson, Mitchell
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 FREQUENCY-CHANGING 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:	An apparatus (1) is proposed for providing coupling between at least a first input signal with a first signal frequency, and a second input signal with a second, different signal frequency. The apparatus comprises: a first input port (3); a second input port (5); a first output port (9); a second output port (11); a first waveguide (13); a second waveguide (15), the second waveguide (15) being made of or comprising non-linear material such that a first electromagnetic field generated by a first-waveguide signal in the first waveguide (13) and a second electromagnetic field generated by a second-waveguide signal in the second waveguide (15) are arranged to overlap in the non-linear material; a periodic structure (31, 33); and a phase-matching arrangement (37).