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1. WO2002025368 - OPTICAL WAVELENGTH-CONVERTING APPARATUS

Publication Number WO/2002/025368
Publication Date 28.03.2002
International Application No. PCT/US2001/023849
International Filing Date 30.07.2001
Chapter 2 Demand Filed 22.04.2002
IPC
G02B 6/12 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
10of the optical waveguide type
12of the integrated circuit kind
G02B 6/34 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
24Coupling light guides
26Optical coupling means
34utilising prism or grating
G02B 6/35 2006.01
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
24Coupling light guides
26Optical coupling means
35having switching means
G02F 1/377 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
35Non-linear optics
37for second-harmonic generation
377in an optical waveguide structure
G02F 2/00 2006.01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
2Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
H04J 14/02 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
JMULTIPLEX COMMUNICATION
14Optical multiplex systems
02Wavelength-division multiplex systems
CPC
G02B 2006/1215
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
10of the optical waveguide type
12of the integrated circuit kind
12133Functions
1215Splitter
G02B 6/2932
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
26Optical coupling means
28having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
293with wavelength selective means
29304operating by diffraction, e.g. grating
29316Light guides comprising a diffractive element, e.g. grating in or on the light guide such that diffracted light is confined in the light guide
29317Light guides of the optical fibre type
29319With a cascade of diffractive elements or of diffraction operations
2932comprising a directional router, e.g. directional coupler, circulator
G02B 6/29359
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
26Optical coupling means
28having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
293with wavelength selective means
29346operating by wave or beam interference
29358Multiple beam interferometer external to a light guide, e.g. Fabry-Pérot, etalon, VIPA plate, OTDL plate, continuous interferometer, parallel plate resonator
29359Cavity formed by light guide ends, e.g. fibre Fabry Pérot [FFP]
G02B 6/29368
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
26Optical coupling means
28having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
293with wavelength selective means
29346operating by wave or beam interference
29361Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
29368Light guide comprising the filter, e.g. filter deposited on a fibre end
G02B 6/29395
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
26Optical coupling means
28having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
293with wavelength selective means
29379characterised by the function or use of the complete device
29395configurable, e.g. tunable or reconfigurable
G02F 1/3775
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
35Non-linear optics
37for second-harmonic generation
377in an optical waveguide structure
3775with a periodic structure, e.g. domain inversion, for quasi-phase-matching [QPM]
Applicants
  • LUXCORE NETWORKS, INC. [US]/[US]
Inventors
  • LINK, Gayle, R.
  • MARTIN, Calvin, J.
  • GILLS, Zelda
  • ROBERTSON, Derek
  • SHUTE, Marcus, W.
Agents
  • GRIFFIN, Malvern, U., III
Priority Data
09/810,92116.03.2001US
60/234,57122.09.2000US
60/245,36702.11.2000US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OPTICAL WAVELENGTH-CONVERTING APPARATUS
(FR) APPAREIL DE CONVERSION DE LONGUEURS D'ONDES OPTIQUE
Abstract
(EN)
An all-optical wavelength converter (100) uses a nonlinear quasi-phasematching structure (120) to mix an input signal with a local oscillator signal, and then filters the resulting wavelength-shifted output signal. The filter (160) that performs the filtering function, the quasi-phasematching structure (120), and the local oscillator source, may be tunable and computer controlled. Several outputs, each with its own filter end, optionally, a shutter, may be provided. More than one local oscillator source may be used to create several wavelength-shifted signals, and the filters may be tuned to the wavelengths of the several output signals, thus providing a broadcasting function. Active fiber may be used in the wavelength converter to boost the power level of the signals before they are output. The quasi-phasematching structure (120) may have a variable dimensional period to provide dispersion compensation capability to the wavelength converter.
(FR)
L'invention concerne un convertisseur de longueurs d'ondes entièrement optique utilisant une structure de quasi-adaptation de phase non linéaire pour mélanger un signal d'entrée avec un signal d'oscillateur local, et filtrant ensuite le signal de sortie à longueur d'onde décalée résultant. Le filtre qui exécute la fonction de filtrage, la structure de quasi-adaptation de phase, et la source d'oscillateur local, peuvent être accordables et commandés par ordinateur. Plusieurs sorties, chacune équipée de son propre filtre et, facultativement, un obturateur, peuvent être prévus. Plus d'une source d'oscillateur local peut être utilisée pour créer plusieurs signaux à longueur d'onde décalée, et les filtres peuvent être accordés sur les longueurs d'ondes des différents signaux de sortie, créant ainsi une fonction de diffusion. Une fibre active peut être utilisée dans le convertisseur de longueurs d'ondes afin d'amplifier le niveau de puissance des signaux avant leur sortie. La structure de quasi-adaptation de phase peut avoir une période dimensionnelle variable pour que le convertisseur de longueurs d'ondes ait une capacité de compensation de dispersion.
Also published as
Latest bibliographic data on file with the International Bureau