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1. WO2016145989 - OPTICAL ALIGNMENT USING MULTIMODE EDGE COUPLERS

Publication Number WO/2016/145989
Publication Date 22.09.2016
International Application No. PCT/CN2016/075341
International Filing Date 02.03.2016
IPC
G02B 6/42 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
42Coupling light guides with opto-electronic elements
CPC
G02B 6/12004
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
10of the optical waveguide type
12of the integrated circuit kind
12004Combinations of two or more optical elements
G02B 6/29344
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
29344operating by modal interference or beating, i.e. of transverse modes, e.g. zero-gap directional coupler, MMI
G02B 6/305
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
26Optical coupling means
30for use between fibre and thin-film device
305and having an integrated mode-size expanding section, e.g. tapered waveguide
G02B 6/3656
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
36Mechanical coupling means
3628for mounting fibres to supporting carriers
3648Supporting carriers of a microbench type, i.e. with micromachined additional mechanical structures
3656the additional structures being micropositioning, with microactuating elements for fine adjustment, or restricting movement, into two dimensions, e.g. cantilevers, beams, tongues or bridges with associated MEMs
G02B 6/42
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
42Coupling light guides with opto-electronic elements
G02B 6/4225
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
6Light guides
24Coupling light guides
42Coupling light guides with opto-electronic elements
4201Packages, e.g. shape, construction, internal or external details
4219Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
422Active alignment, i.e. moving the elements in response to the detected degree of coupling or position of the elements
4225by a direct measurement of the degree of coupling, e.g. the amount of light power coupled to the fibre or the opto-electronic element
Applicants
  • HUAWEI TECHNOLOGIES CO., LTD. [CN]/[CN]
Inventors
  • CELO, Dritan
Priority Data
14/660,06117.03.2015US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OPTICAL ALIGNMENT USING MULTIMODE EDGE COUPLERS
(FR) ALIGNEMENT OPTIQUE À L'AIDE DE COUPLEURS DE BORD MULTIMODES
Abstract
(EN)
An edge coupling method comprising positioning a first photonic device such that a first edge coupler of the first photonic device is at least partially aligned with a first alignment waveguide of a second photonic device and such that a second edge coupler of the first photonic device is at least partially aligned with a second alignment waveguide of the second photonic device, wherein the first edge coupler widens towards an edge of the first photonic device and the second edge coupler widens towards the edge, and wherein the first edge coupler and the second edge coupler are optically coupled to each other by an interconnect, transmitting a light through the first alignment waveguide, detecting the light at the second alignment waveguide, and aligning the first photonic device and the second photonic device based on the detecting.
(FR)
L'invention concerne un procédé de couplage de bord consistant à positionner un premier dispositif photonique de telle sorte qu'un premier coupleur de bord du premier dispositif photonique est au moins partiellement aligné avec un premier guide d'onde d'alignement d'un second dispositif photonique et de telle sorte qu'un second coupleur de bord du premier dispositif photonique est au moins partiellement aligné avec un second guide d'onde d'alignement du second dispositif photonique, le premier coupleur de bord s'élargissant vers un bord du premier dispositif photonique et le second coupleur de bord s'élargissant vers le bord, et le premier coupleur de bord et le second coupleur de bord étant optiquement couplés l'un avec l'autre par une interconnexion, transmettre une lumière à travers le premier guide d'ondes d'alignement, détecter la lumière au niveau du second guide d'ondes d'alignement, et aligner le premier dispositif photonique et le second dispositif photonique sur la base de la détection.
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