WO2013039452A1 - Procédé et structure pour le couplage de lumière dans un guide d'onde comportant des éléments de diffusion de dimension nanométrique - Google Patents

Procédé et structure pour le couplage de lumière dans un guide d'onde comportant des éléments de diffusion de dimension nanométrique Download PDF

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Publication number
WO2013039452A1
WO2013039452A1 PCT/SG2011/000317 SG2011000317W WO2013039452A1 WO 2013039452 A1 WO2013039452 A1 WO 2013039452A1 SG 2011000317 W SG2011000317 W SG 2011000317W WO 2013039452 A1 WO2013039452 A1 WO 2013039452A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
coupling
waveguide
scattering
spot
Prior art date
Application number
PCT/SG2011/000317
Other languages
English (en)
Inventor
Kazuya Takayama
Bipin Sewakram Bhola
Original Assignee
Nitto Denko Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Denko Corporation filed Critical Nitto Denko Corporation
Priority to SG11201400663YA priority Critical patent/SG11201400663YA/en
Priority to PCT/SG2011/000317 priority patent/WO2013039452A1/fr
Priority to JP2014530633A priority patent/JP5712335B2/ja
Publication of WO2013039452A1 publication Critical patent/WO2013039452A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
    • G02B6/001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted along at least a portion of the lateral surface of the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/004—Scattering dots or dot-like elements, e.g. microbeads, scattering particles, nanoparticles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2848—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers having refractive means, e.g. imaging elements between light guides as splitting, branching and/or combining devices, e.g. lenses, holograms
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2852—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using tapping light guides arranged sidewardly, e.g. in a non-parallel relationship with respect to the bus light guides (light extraction or launching through cladding, with or without surface discontinuities, bent structures)
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/34—Optical coupling means utilising prism or grating
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details

Definitions

  • the first and second boundaries may be disposed in respective planes of opposing faces of the waveguide core.
  • a material of the scattering elements may be different from the material of the waveguide core.
  • Figure 15 is a schematic drawing illustrating a structure and method for coupling light into a waveguide according to an example embodiment.
  • the distance between the focusing lens 508 and top surface of the coupling spot 503 (D), the curvature of the focusing lens 508 (R), and all other simulation parameters ranges are listed in Table 3.
  • the details of coefficients used in the governing equations are listed in Table 4.
  • a coupling efficiency of about 4.2 % can be achieved at this condition.
  • the aperture 507 effectively acts as another mirror to provide reflection of light scattered at an angle, but does not provide resonating functions in this embodiment.
  • the coupling spot in the example embodiments may comprise nanoparticles made of any material.
  • the size of the nanoparticle has a preferred range as defined by the governing equations described in detail below.
  • the nanoparticle surface can be modified chemically in order to disperse the particle in the polymer matrix uniformly.
  • a milk-like material, such as emulsion can be prepared by mixing of immiscible two or more polymer materials by using phase separation.
  • An effective surface range for the total internal reflection can be calculated as follows.
  • the system may further comprise of a light source, for example in the form of a laser diode 1501 , preferably a laser diode, a collimation lens 1502, a focusing lens 1503, a metallic aperture 1504 of defined size to provide a diverging beam of a specific diameter to the scattering volume/coupling spot 1505, a bottom reflective mirror 1506, an optical waveguide core 1507, and an optical waveguide cladding 1508.
  • the light source 1501 may provide a light frequency of between 400nm to 2500nm, covering the visible and near IR spectrum.
  • the beam Prior to focusing the beam from the laser diode 1501 , the beam is collimated to provide the desired focusing effect.
  • This collimation of the beam from the laser diode 1501 can be provided by a suitable aspheric collimation lens 1502.
  • the collimation and focusing package can also be a combined unit. The main purpose of this optical unit is to advantageously provide a uniform diverging beam of photons that enters the scattering volume and has a higher probability of being scattered into the waveguide structure.
  • a statistical approach to photon scattering is first considered. As illustrated in Figure 16a, the photon scattering process is assumed to be based on the classical interaction between photons and scattering centers which is governed by the Gaussian random process. In this case, a photon can have a number of scattering events in a scattering volume which depend on the mean-free path of the photon in the scattering volume as well as the optical path length of the photon in the scattering volume.
  • the design calculation method and system of example embodiments can be implemented on a computer system 2000, schematically shown in Figure 20. It may be implemented as software, such as a computer program being executed within the computer system 2000, and instructing the computer system 2000 to conduct the method of the example embodiment.
  • the components of the computer module 2002 typically communicate via an interconnected bus 2028 and in a manner known to the person skilled in the relevant art.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

La présente invention concerne un procédé et une structure pour le couplage de lumière dans un guide d'onde (501, 502). Le procédé comprend les étapes suivantes: la mise à disposition d'éléments de taille nanométrique ou submicronique dans un point de couplage (503) disposé dans un plan d'un cœur de guide d'onde (501) du guide d'onde ; l'orientation de la lumière (504) dans le point de couplage ; et la diffusion de la lumière au niveau des éléments de diffusion de sorte qu'au moins une partie de la lumière diffusée soit couplée dans le cœur du guide d'onde (501).
PCT/SG2011/000317 2011-09-15 2011-09-15 Procédé et structure pour le couplage de lumière dans un guide d'onde comportant des éléments de diffusion de dimension nanométrique WO2013039452A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SG11201400663YA SG11201400663YA (en) 2011-09-15 2011-09-15 Method and structure for coupling light into a waveguide comprising nano - sized scattering elements
PCT/SG2011/000317 WO2013039452A1 (fr) 2011-09-15 2011-09-15 Procédé et structure pour le couplage de lumière dans un guide d'onde comportant des éléments de diffusion de dimension nanométrique
JP2014530633A JP5712335B2 (ja) 2011-09-15 2011-09-15 導波路内に光を結合する方法及び構造

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SG2011/000317 WO2013039452A1 (fr) 2011-09-15 2011-09-15 Procédé et structure pour le couplage de lumière dans un guide d'onde comportant des éléments de diffusion de dimension nanométrique

Publications (1)

Publication Number Publication Date
WO2013039452A1 true WO2013039452A1 (fr) 2013-03-21

Family

ID=44774094

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SG2011/000317 WO2013039452A1 (fr) 2011-09-15 2011-09-15 Procédé et structure pour le couplage de lumière dans un guide d'onde comportant des éléments de diffusion de dimension nanométrique

Country Status (3)

Country Link
JP (1) JP5712335B2 (fr)
SG (1) SG11201400663YA (fr)
WO (1) WO2013039452A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014220141A1 (de) * 2014-10-06 2016-04-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lichtverteiler, ein System umfassend einen Lichtverteiler und zumindest eine LED-Leuchte sowie ein Verfahren zur Herstellung eines Lichtverteilers
CN112585766A (zh) * 2018-08-20 2021-03-30 皮克斯莱克斯系统公司 使用米氏光电传感器的高信息含量成像
RU2763986C1 (ru) * 2020-10-02 2022-01-12 Шлюмберже Текнолоджи Б.В. Способ генерации акустических сигналов
CN115798743A (zh) * 2023-01-29 2023-03-14 中国科学院合肥物质科学研究院 一种电子回旋系统集成和运行的调试数据处理方法及装置

Citations (6)

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Publication number Priority date Publication date Assignee Title
US5208886A (en) * 1990-01-17 1993-05-04 At&T Bell Laboratories Methods of making an optical fiber filter
WO2001095000A2 (fr) * 2000-06-08 2001-12-13 Schleifring Und Apparatebau Gmbh Systeme optique de transfert de donnees
US20020186921A1 (en) * 2001-06-06 2002-12-12 Schumacher Lynn C. Multiwavelength optical fiber devices
US20030183560A1 (en) * 2002-03-26 2003-10-02 Hannah Eric C. Method and system for optically sorting and/or manipulating carbon nanotubes
WO2004023181A1 (fr) * 2002-09-06 2004-03-18 Poly Optics Australia Pty Ltd Ameliorations apportees a des guides de lumiere a diffusion laterale
WO2008122607A1 (fr) * 2007-04-05 2008-10-16 Interuniversitair Microelektronica Centrum (Imec) Procédé et système de multiplexeur à couplage de guide d'ondes

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JP2000098158A (ja) * 1998-09-28 2000-04-07 Fuji Xerox Co Ltd 光データバスおよび信号処理装置
JP2004170684A (ja) * 2002-11-20 2004-06-17 Seiko Epson Corp チップ間光インターコネクション回路、電気光学装置および電子機器
WO2009078399A1 (fr) * 2007-12-17 2009-06-25 Hitachi Chemical Company, Ltd. Guide d'onde optique pour lumière visible
JP2011150821A (ja) * 2010-01-20 2011-08-04 Fujifilm Corp エレクトロルミネッセンス素子

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5208886A (en) * 1990-01-17 1993-05-04 At&T Bell Laboratories Methods of making an optical fiber filter
WO2001095000A2 (fr) * 2000-06-08 2001-12-13 Schleifring Und Apparatebau Gmbh Systeme optique de transfert de donnees
US20020186921A1 (en) * 2001-06-06 2002-12-12 Schumacher Lynn C. Multiwavelength optical fiber devices
US20030183560A1 (en) * 2002-03-26 2003-10-02 Hannah Eric C. Method and system for optically sorting and/or manipulating carbon nanotubes
WO2004023181A1 (fr) * 2002-09-06 2004-03-18 Poly Optics Australia Pty Ltd Ameliorations apportees a des guides de lumiere a diffusion laterale
WO2008122607A1 (fr) * 2007-04-05 2008-10-16 Interuniversitair Microelektronica Centrum (Imec) Procédé et système de multiplexeur à couplage de guide d'ondes

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014220141A1 (de) * 2014-10-06 2016-04-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lichtverteiler, ein System umfassend einen Lichtverteiler und zumindest eine LED-Leuchte sowie ein Verfahren zur Herstellung eines Lichtverteilers
US10605975B2 (en) 2014-10-06 2020-03-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Light distributor, a system comprising a light distributor and at least one LED luminaire and a method for producing a light distributor
CN112585766A (zh) * 2018-08-20 2021-03-30 皮克斯莱克斯系统公司 使用米氏光电传感器的高信息含量成像
RU2763986C1 (ru) * 2020-10-02 2022-01-12 Шлюмберже Текнолоджи Б.В. Способ генерации акустических сигналов
CN115798743A (zh) * 2023-01-29 2023-03-14 中国科学院合肥物质科学研究院 一种电子回旋系统集成和运行的调试数据处理方法及装置

Also Published As

Publication number Publication date
JP2014530373A (ja) 2014-11-17
JP5712335B2 (ja) 2015-05-07
SG11201400663YA (en) 2014-04-28

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