Nonlinear optical loop mirror

An optical pulse generator comprises a comb-like dispersion profiled fiber (CDPF, 300) formed into an optical loop mirror (350). The fiber (300) may comprise three or more segments of fiber (301-308) having alternating highly dispersive and highly non-linear characteristics. The optical loop mirror...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUSHITA,SHUNICHI, SAKANO, MISAO, ASO, OSAMU, NAMIKI, SHU, TADAKUMA, MASATERU
Format:	Patent
Sprache:	eng ; fre ; 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 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 optical pulse generator comprises a comb-like dispersion profiled fiber (CDPF, 300) formed into an optical loop mirror (350). The fiber (300) may comprise three or more segments of fiber (301-308) having alternating highly dispersive and highly non-linear characteristics. The optical loop mirror construction (350) splits an imput pulse into two portions that propagate through the CDPF in opposite directions (CW, CCW). The pulse portions ar re-combined (200), and a compressed pulse with reduced noise is produced.