WO2015163124A1 - マルチコア・マルチモードファイバ結合装置 - Google Patents

マルチコア・マルチモードファイバ結合装置 Download PDF

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Publication number
WO2015163124A1
WO2015163124A1 PCT/JP2015/060708 JP2015060708W WO2015163124A1 WO 2015163124 A1 WO2015163124 A1 WO 2015163124A1 JP 2015060708 W JP2015060708 W JP 2015060708W WO 2015163124 A1 WO2015163124 A1 WO 2015163124A1
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WIPO (PCT)
Prior art keywords
fiber
mode
group
light
core
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Ceased
Application number
PCT/JP2015/060708
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English (en)
French (fr)
Japanese (ja)
Inventor
淡路　祥成
小林　哲也
武敏 高畠
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National Institute of Information and Communications Technology
Optoquest Co Ltd
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National Institute of Information and Communications Technology
Optoquest Co Ltd
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Application filed by National Institute of Information and Communications Technology, Optoquest Co Ltd filed Critical National Institute of Information and Communications Technology
Priority to CN201580020765.4A priority Critical patent/CN106461868B/zh
Priority to DK15782719.7T priority patent/DK3136145T3/da
Priority to EP15782719.7A priority patent/EP3136145B1/en
Priority to US15/306,104 priority patent/US20170045687A1/en
Publication of WO2015163124A1 publication Critical patent/WO2015163124A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • 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
    • G02B6/27—Optical coupling means with polarisation selective and adjusting 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/14—Mode converters
    • 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
    • G02B6/24—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
    • G02B6/2808—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 a mixing element which evenly distributes an input signal over a number of outputs
    • 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
    • G02B6/2817—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 reflective elements to split or combine optical signals
    • 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
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2581—Multimode transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/04—Mode multiplex systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/05—Spatial multiplexing systems
    • H04J14/052—Spatial multiplexing systems using multicore 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02042—Multicore optical fibres

Definitions

  • the present invention is a multi-core multi-mode fiber coupling capable of effectively coupling a plurality of single-mode fibers and multi-core multi-mode fibers by collectively converting single-mode light from a plurality of fibers into a higher-order mode.
  • the present invention relates to a device and a method for coupling a plurality of optical fibers and a multicore / multimode fiber using the device.
  • Patent Document 1 discloses a multi-core fiber coupling device. This multi-core fiber coupling device couples a plurality of single-mode fibers and multi-core fibers.
  • Non-Patent Document 1 discloses a technique in which a bundle fiber is stretched in a tapered shape and a 7-core multicore fiber and a single mode fiber are coupled. In this technology, multiple single-mode fibers are bundled and stretched, and fusion-bonded with multi-core fibers.
  • the transmission limit of optical fiber is a problem. Therefore, it is desired to develop a multi-core / multi-mode fiber coupling device capable of transmitting a large amount of information and to propose a multi-core / multi-mode fiber coupling method using the device.
  • the present invention basically enables multi-core / multi-mode fiber coupling by mode-multiplexing light emitted from a plurality of multi-core couplers using an optical coupler (optical mode multiplexer). It is based on the knowledge that.
  • the present invention relates to a multi-core multi-mode fiber coupling device.
  • This apparatus includes a first fiber group 11, a first condensing system 13, a first mode converter 15, a second fiber group 21, a second condensing system 23, and a multi-core fiber. And a spatial coupling system 33.
  • the first mode converter 15 collectively converts the light from the first fiber group 11.
  • the multi-core fiber space coupling system 33 multiplexes the mode-converted light from the first fiber group 11 and the light from the second fiber group 21 and transmits them to the multi-core fiber 31.
  • the first light condensing system 13 is an optical system for condensing the emitted light group from the first fiber group 11.
  • the first mode converter 15 is an optical device for converting the mode of the light group emitted from the first fiber group 11 collected by the first light collecting system 13 into the first mode.
  • the second light condensing system 23 is an optical system for condensing the emitted light group from the second fiber group 21.
  • the multi-core fiber spatial coupling system 33 is an optical system for combining the outgoing light group from the first mode converter 15 and the outgoing light group from the second condensing system 23 and guiding them to the multi-core fiber 31.
  • the first condensing system 13 When the first mode is the fundamental mode, the first condensing system 13 is provided with a distribution in which the phase difference between adjacent intensities in spatial light is ⁇ (180 °) in accordance with the propagation mode in the optical fiber. By passing through the mode converter 15, it is possible to convert to a higher order mode.
  • the multi-core / multi-mode fiber coupling device of the present invention collectively mode-converts a plurality of outgoing lights from the first fiber group 11 by collecting light fluxes in the first mode converter 15.
  • the first mode converter 15 is preferably a phase plate installed at a position where the light emitted from the first fiber group 11 coincides with the first light collecting system 13. This position is also a position for realizing optimum mode conversion efficiency, as will be described later.
  • a preferred example of the multi-core multi-mode fiber coupling device further includes a third fiber group 41, a third condensing system 43, and a third mode converter 45.
  • the third condensing system 43 is an optical system for condensing the emitted light group from the third fiber group 41.
  • the third mode converter 45 is an optical device for converting the mode into the second mode of the light group emitted from the third fiber group 41 collected by the third light collection system 43.
  • the multi-core fiber spatial coupling system 33 includes a group of light beams emitted from the first mode converter 15, a group of light beams emitted from the second light condensing system 23, and a third mode converter 45.
  • the outgoing light group is guided to the multi-core fiber 31.
  • the present invention also provides a multicore / multimode fiber coupling method using the multicore / multimode fiber coupling device described above. This method includes the following steps.
  • the outgoing light group is emitted from the first fiber group 11.
  • the emitted light group from the first fiber group 11 is collected by the first light collection system 13.
  • the group of light emitted from the first fiber group 11 collected by the first light collecting system 13 is mode-converted to the first mode by the first mode converter 15.
  • the outgoing light group is emitted from the second fiber group 21.
  • the emitted light group from the second fiber group 21 is collected by the second light collecting system 23.
  • the outgoing light group from the first mode converter 15 and the outgoing light group from the second condensing system 23 are guided to the multi-core fiber 31 by the multi-core fiber space coupling system 33.
  • a multi-core multi-mode fiber coupling device can be obtained by using a plurality of multi-core couplers and optical couplers (optical mode multiplexers). realizable.
  • FIG. 1 is a block diagram showing a basic configuration example of a multi-core multi-mode fiber coupling device.
  • FIG. 2 is a diagram for explaining an example of the mode converter.
  • FIG. 3 is a block diagram showing a preferred example of a multi-core multi-mode fiber coupling device.
  • the present invention relates to a multi-core multi-mode fiber coupling device.
  • the multi-core / multi-mode fiber coupling device couples light from a plurality of light sources with a multi-core / multi-mode fiber. That is, it refers to a device for guiding multimode light including a plurality of higher order modes to each core of a multicore fiber having a plurality of cores in one optical fiber. It is not necessary for all the cores included in the multi-core fiber to be used for optical information communication. For example, either the central core or the surrounding core may be used for detection, and feedback may be appropriately taken.
  • FIG. 1 is a block diagram showing a basic configuration example of a multi-core multi-mode fiber coupling device of the present invention.
  • this apparatus includes a first fiber group 11, a first light condensing system 13, a first mode converter 15, a second fiber group 21, and a second light collecting system. It has an optical system 23 and a multi-core fiber space coupling system 33.
  • the first fiber group 11 means a group of two or more optical fibers provided at spatially separated positions.
  • An example of the optical fiber constituting the first fiber group is a single mode fiber.
  • the first light condensing system 13 is an optical system for condensing the emitted light group from the first fiber group 11.
  • the example of the 1st condensing system 13 is a prism and a mirror for guide
  • the first condensing system 13 is a mirror, the optical path is adjusted so that light from a plurality of optical fibers that are spatially separated reaches a predetermined position of the wave plate. In this manner, a plurality of lights from the first fiber group 11 are guided to a predetermined position of the first mode converter 15 by the first light collecting system 13.
  • the first condensing system 13 is not necessarily used in the case where the first mode converter 15 can be guided to a predetermined position regardless of the first condensing system 13.
  • the first mode converter 15 is an optical device for converting the mode of the light group emitted from the first fiber group 11 collected by the first light collection system 13 into the first mode.
  • An example of the first mode converter 15 is a phase plate.
  • the first mode converter 15 is preferably a phase plate installed at a position where the light emitted from the first fiber group 11 coincides with the first light collecting system 13. In the first mode converter 15, multi-core / multi-mode fiber coupling can be easily achieved by collectively mode-converting the light contained in the light group emitted from the first fiber group 11.
  • the mode converter is known as disclosed in, for example, Japanese Patent Application Laid-Open No. 2009-047784 and Japanese Patent Application Laid-Open No. 2010-122688.
  • the mode converter can convert the light in the base mode into the light in the higher order mode.
  • the output from the first fiber is usually in basic (basic) mode (TEM 00 ).
  • the fundamental mode light is appropriately mode-converted by the first mode converter 15.
  • An example of the mode after the mode conversion is the primary mode (TEM 01 or TEM 10 ).
  • Other modes for example, TEM 11 or TEM 02
  • the output light group from the first mode converter 15 that reaches the multi-core multi-mode fiber preferably has a mode different from that of the other light groups.
  • a fundamental mode for example, when the output from a single-mode fiber is not mode-converted
  • TEM 01 and TEM 10 modes It is preferable to do. Any mode may be adopted as long as it is introduced into the multi-core / multi-mode fiber and can be separated using known means in the multi-core / multi-mode fiber on the receiver side.
  • a preferable example of the multi-core multi-mode fiber coupling device is one in which the light beam is collected at a predetermined position of the first mode converter 15 by the first condensing system 13.
  • FIG. 2 is a diagram for explaining an example of the mode converter. As shown in FIG. 2, this phase plate 16 is adapted to the propagation mode in the optical fiber in order to make the phase difference of adjacent intensities in the spatial light ⁇ (180 °) in accordance with the propagation mode in the optical fiber.
  • a transparent medium having a specific refractive index is arranged in the adjacent intensity distribution in the spatial light, and a physical optical path difference corresponding to the phase difference at the wavelength is given.
  • the light 19 arranged so as to be irradiated uniformly in the thin portion 17 and the thick portion 18 has different optical path lengths, so that mode conversion is performed.
  • the configuration of the mode converter is not limited to the above. However, if this method is used, it is possible to easily convert the modes of the plurality of fundamental modes at once by adjusting the traveling direction of the fundamental mode light from the single mode fiber by the optical system.
  • a multi-core fiber has a plurality of cores at symmetrical positions from the central core.
  • the phase plate generally has a straight line between the thin portion 17 and the thick portion 18.
  • the present invention guides light from a fiber once gathered at this boundary to each core of the multi-core.
  • the second light condensing system 23 is an optical system for condensing the emitted light group from the second fiber group 21.
  • the second mode converter for mode-converting the mode of the light group emitted from the second fiber group 21 collected by the second light collecting system 23 is not essential. This is because the multi-core multimode fiber may contain a fundamental mode optical signal.
  • the mode of the emitted light group from the second fiber group 21 collected by the second light collecting system 23 may be changed by the second mode converter.
  • the multi-core fiber space coupling system 33 is an optical system for guiding the light group emitted from the first mode converter 15 and the light group emitted from the second light collecting system 23 to the multi-core fiber 31.
  • the multi-core fiber spatial coupling system 33 is configured to transmit each of a plurality of lights included in the light group emitted from the first mode converter 15 and the light group emitted from the second light collecting system 23 in the multi-core multi-mode fiber. Lead to the corresponding core among the multiple cores.
  • An example of such an optical system is an optical system in a multi-core fiber coupling device disclosed in JP2013-182222A.
  • the multi-core fiber space coupling system 33 includes, as shown in FIG. 1, light from the first relay lens and the first relay lens on which the outgoing light group from the first mode converter 15 is incident, And a beam splitter that guides a group of light emitted from the second light collecting system 23 to a multi-core multi-mode fiber.
  • the output from the beam splitter propagates through the multimode fiber coupling lens to the multimode fiber, and each light of the light group propagates to the target core.
  • the relay lens means a lens and a lens system that transmit an image formed by an optical system in front to the rear. The relay lens optimizes the size mismatch between the predetermined higher-order mode in which the multi-beam is converted by the phase plate and the same-order mode in the fiber, thereby obtaining the maximum coupling efficiency.
  • multi-core / multi-mode fiber coupling can be easily achieved by collectively mode-converting the light contained in the light group emitted from the first fiber group 11.
  • the light emitted from the multicore / multimode fiber 31 is separated by a multicore fiber coupling lens (multicore fiber separation lens) 61 and transmitted to a plurality of fibers 65 by an optical system 63.
  • a multicore fiber coupling lens multicore fiber separation lens
  • the present invention also provides a multicore / multimode fiber coupling method using the multicore / multimode fiber coupling device described above. This method includes the following steps.
  • the outgoing light group is emitted from the first fiber group 11.
  • the emitted light group from the first fiber group 11 is collected by the first light collection system 13.
  • the group of light emitted from the first fiber group 11 collected by the first light collecting system 13 is mode-converted to the first mode by the first mode converter 15.
  • the outgoing light group is emitted from the second fiber group 21.
  • the emitted light group from the second fiber group 21 is collected by the second light collecting system 23.
  • the outgoing light group from the first mode converter 15 and the outgoing light group from the second condensing system 23 are guided to the multi-core fiber 31 by the multi-core fiber space coupling system 33.
  • FIG. 3 is a block diagram showing a preferred example of a multi-core multi-mode fiber coupling device.
  • the example shown in FIG. 3 includes a third fiber group 41, a third condensing system 43, and a third mode converter 45 in addition to the configuration of the multicore / multimode fiber coupling device described above. Also have.
  • the third condensing system 43 is an optical system for condensing the emitted light group from the third fiber group 41.
  • the third mode converter 45 is an optical device for converting the mode into the second mode of the light group emitted from the third fiber group 41 collected by the third light collection system 43.
  • the third fiber group 41, the third condensing system 43, and the third mode converter 45 are the same as the first fiber group 11, the first condensing system 13, and the first mode converter 15, respectively. It has the composition of.
  • the multi-core fiber spatial coupling system 33 includes a group of light beams emitted from the first mode converter 15, a group of light beams emitted from the second light condensing system 23, and a third mode converter 45.
  • the outgoing light group is guided to the multi-core fiber 31.
  • the present invention also provides a multicore / multimode fiber coupling method using the multicore / multimode fiber coupling device described above. This method includes the following steps.
  • the outgoing light group is emitted from the first fiber group 11.
  • the emitted light group from the first fiber group 11 is collected by the first light collection system 13.
  • the group of light emitted from the first fiber group 11 collected by the first light collecting system 13 is mode-converted to the first mode by the first mode converter 15.
  • the outgoing light group is emitted from the second fiber group 21.
  • the group of light emitted from the second fiber group 21 is collected by the second light collection system 23.
  • the outgoing light group is emitted from the third fiber group 41.
  • a group of light emitted from the third fiber group 41 is collected by the third light collection system 43.
  • a group of light beams emitted from the third fiber group 41 collected by the third light collecting system 43 is converted into a second mode (the light from the second fiber group is converted into the second mode by the third mode converter 45). If the mode has been converted to the mode, the mode is converted to the third mode.
  • the outgoing light group from the first mode converter 15, the outgoing light group from the second condensing system 23, and the outgoing light group from the third mode converter 45 are sent to the multi-core fiber spatial coupling system 33 by the multi-core fiber. Guided to fiber 31.
  • the present invention can be used in the field of optical fiber communication using space division multiplexing and multicore multimode fiber.
  • First fiber group 13 First light collecting system 15.
  • First mode converter 21 Second fiber group 23.
  • Second light collecting system 31 Multicore fiber 33 ⁇ Space coupling system for multi-core fiber 41 ⁇ ⁇ Third fiber group 43 ⁇ ⁇ Third condensing system 45 ⁇ ⁇ Third mode converter 61 ⁇ ⁇ Multi-core fiber coupling lens 63 ⁇ ⁇ Optical system 65 ⁇ ⁇ Fiber

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electromagnetism (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Communication System (AREA)
  • Optical Integrated Circuits (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
PCT/JP2015/060708 2014-04-24 2015-04-06 マルチコア・マルチモードファイバ結合装置 Ceased WO2015163124A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201580020765.4A CN106461868B (zh) 2014-04-24 2015-04-06 多芯多模光纤耦合装置
DK15782719.7T DK3136145T3 (da) 2014-04-24 2015-04-06 Multikerne-/multimodus-fiberkoblingsanordning
EP15782719.7A EP3136145B1 (en) 2014-04-24 2015-04-06 Multicore/multimode fiber joining device
US15/306,104 US20170045687A1 (en) 2014-04-24 2015-04-06 Multicore/multimode fiber coupling device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014090704A JP5957718B2 (ja) 2014-04-24 2014-04-24 マルチコア・マルチモードファイバ結合装置
JP2014-090704 2014-04-24

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US (1) US20170045687A1 (https=)
EP (1) EP3136145B1 (https=)
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DK (1) DK3136145T3 (https=)
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107797181A (zh) * 2016-08-31 2018-03-13 华为技术有限公司 光开关矩阵及其控制方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3049135B1 (fr) * 2016-03-15 2020-02-14 Cailabs Dispositf de communications par fibre optique multimode avec composant de compensation de dispersion modale
CN108508536A (zh) * 2018-04-11 2018-09-07 武汉中科锐择光电科技有限公司 一种全光纤偏振光分束器
WO2020080254A1 (ja) * 2018-10-15 2020-04-23 住友電気工業株式会社 光モジュール、及び光モジュールの製造方法
CN116466445A (zh) * 2022-01-12 2023-07-21 华为技术有限公司 光接收模块、设备和方法
WO2023176085A1 (ja) * 2022-03-17 2023-09-21 住友電気工業株式会社 マルチコア光ファイバ、光コンバイナ、およびファイバ特性測定方法
CN115694645B (zh) * 2022-11-01 2024-06-25 南京信息工程大学 模芯均衡调节的模式选择纤芯置换多模多芯光通信系统

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013182222A (ja) * 2012-03-04 2013-09-12 National Institute Of Information & Communication Technology マルチコアファイバ結合装置
JP2014503081A (ja) * 2010-12-21 2014-02-06 オーエフエス ファイテル，エルエルシー マルチコアコリメータ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2462845C (en) * 2001-10-19 2009-07-07 Ntt Electronics Corporation Array waveguide diffraction grating type optical multiplexer/demultiplexer
KR100594040B1 (ko) * 2004-01-08 2006-06-30 삼성전자주식회사 듀얼 밴드 파장분할 다중화기
CN102096150B (zh) * 2010-12-22 2013-04-17 北京大学 基于多芯光纤的光传输结构及具有该结构的装置
CN103185919B (zh) * 2011-12-30 2015-06-17 清华大学 带有包层的多模光纤耦合装置
US8867125B2 (en) * 2012-08-24 2014-10-21 Alcatel Lucent Multi-mode optical fiber amplifier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014503081A (ja) * 2010-12-21 2014-02-06 オーエフエス ファイテル，エルエルシー マルチコアコリメータ
JP2013182222A (ja) * 2012-03-04 2013-09-12 National Institute Of Information & Communication Technology マルチコアファイバ結合装置

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
R.RYF ET AL.: "Mode-Division Multiplexing Over 96 km of Few-Mode Fiber Using Coherent 6 x 6 MIMO Processing", LIGHTWAVE TECHNOLOGY, JOURNAL OF, vol. 30, no. 4, pages 521 - 531, XP011401949 *
R.RYF. ET AL.: "Low-loss mode coupler for mode- multiplexed transmission in few-mode fiber", OPTICAL FIBER COMMUNICATION CONFERENCE AND EXPOSITION (OFC/NFOEC), 2012 AND THE NATIONAL FIBER OPTIC ENGINEERS CONFERENCE, pages 1 - 3, XP055220832 *
W. KLAUS ET AL.: "Technologies for SDM optical networks", PROCEEDINGS OF THE 2014 IEICE GENERAL CONFERENCE, 4 March 2014 (2014-03-04), XP008185027 *
Y. TOTTORI ET AL.: "Integrated optical connection module for 7-coremulti-core fiber and 7 single mode fibers", PHOTONICS SOCIETY SUMMER TOPICAL MEETING SERIES, 2013, pages 82 - 83, XP032491803 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107797181A (zh) * 2016-08-31 2018-03-13 华为技术有限公司 光开关矩阵及其控制方法

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CN106461868A (zh) 2017-02-22
EP3136145A1 (en) 2017-03-01
JP2015210339A (ja) 2015-11-24
JP5957718B2 (ja) 2016-07-27
EP3136145A4 (en) 2017-12-20
EP3136145B1 (en) 2021-07-14
DK3136145T3 (da) 2021-09-06

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