JP6918979B2 - 複数ユニットの波長選択スイッチ - Google Patents
複数ユニットの波長選択スイッチ Download PDFInfo
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- JP6918979B2 JP6918979B2 JP2019563075A JP2019563075A JP6918979B2 JP 6918979 B2 JP6918979 B2 JP 6918979B2 JP 2019563075 A JP2019563075 A JP 2019563075A JP 2019563075 A JP2019563075 A JP 2019563075A JP 6918979 B2 JP6918979 B2 JP 6918979B2
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- 230000003287 optical effect Effects 0.000 claims description 102
- 239000006185 dispersion Substances 0.000 claims description 21
- 238000003491 array Methods 0.000 claims description 18
- 230000010287 polarization Effects 0.000 claims description 5
- 230000003292 diminished effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 20
- 230000002542 deteriorative effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000003467 diminishing effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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Classifications
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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
- G02B6/35—Optical coupling means having switching means
- G02B6/3502—Optical coupling means having switching means involving direct waveguide displacement, e.g. cantilever type waveguide displacement involving waveguide bending, or displacing an interposed waveguide between stationary waveguides
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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
- G02B6/35—Optical coupling means having switching means
- G02B6/3598—Switching means directly located between an optoelectronic element and waveguides, including direct displacement of either the element or the waveguide, e.g. optical pulse generation
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/356—Switching arrangements, i.e. number of input/output ports and interconnection types in an optical cross-connect device, e.g. routing and switching aspects of interconnecting different paths propagating different wavelengths to (re)configure the various input and output links
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3524—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive
- G02B6/3528—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being refractive the optical element being a prism
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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
- G02B6/35—Optical coupling means having switching means
- G02B6/354—Switching arrangements, i.e. number of input/output ports and interconnection types
- G02B6/3544—2D constellations, i.e. with switching elements and switched beams located in a plane
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/3586—Control or adjustment details, e.g. calibrating
- G02B6/3588—Control or adjustment details, e.g. calibrating of the processed beams, i.e. controlling during switching of orientation, alignment, or beam propagation properties such as intensity, size or shape
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0009—Construction using wavelength filters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
- H04Q11/0005—Switch and router aspects
- H04Q2011/0007—Construction
- H04Q2011/0026—Construction using free space propagation (e.g. lenses, mirrors)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Description
Claims (6)
- 複数の波長チャネルをそれぞれ含む複数の光学ビームを伝送する複数の入出力ポートアレイで構成される複数の入出力ポートグループと、
各入出力ポートから出力される光学ビームをスイッチング軸上において交差させるスイッチングレンズ部と、
複数の前記入出力ポートアレイと前記スイッチングレンズ部との間に配置され、複数の前記入出力ポートアレイから出力される光学ビームグループを前記スイッチング軸上においてグループ別に他の角度に屈折させる第1プリズム部と、
前記スイッチングレンズ部の次に配置され、前記スイッチングレンズ部から出力される光学ビームグループの中心線を光軸上に平行するように配列する第2プリズム部と、
前記第2プリズム部から出力される光学ビームのビームサイズを分散軸方向に拡張させる光拡張部と、
前記光拡張部でビームサイズが拡張された光学ビームを波長成分により前記分散軸上において他の角度に分離させる分光部と、
前記分光部で分離した波長を再調整およびフォーカシングさせるイメージ レンズ部と、
複数の前記入出力ポートグループに対応する分割された面を含み、各グループ別に独立的に選択された入力ポートの複数の波長チャネルで選択された波長を独立的に選択された出力ポートに伝送するように選択された波長の角度を前記スイッチング軸上において変位させるスイッチング部とを含む、ことを特徴とする複数ユニットの波長選択スイッチ。 - 複数の前記入出力ポートアレイから伝送される任意の偏光を同一の偏光状態を有する2つの光学ビームに分離させ、分離された2つの光学ビームを分散軸上に配列させる偏光光学部をさらに含む、ことを特徴とする請求項1に記載の複数ユニットの波長選択スイッチ。
- 一部の前記入出力ポートグループが一つのアレイ上に配列される、ことを特徴とする請求項1に記載の複数ユニットの波長選択スイッチ。
- 複数の前記入出力ポートアレイでは、前記入出力ポートグループ別にお互いに異なる個数の入出力ポートが配置される、ことを特徴とする請求項1に記載の複数ユニットの波長選択スイッチ。
- 2つの前記入出力ポートアレイが直列に連結され、一つの前記入出力ポートアレイは、減殺モードで使用され、他の一つの前記入出力ポートアレイは、スイッチングモードで使用される、ことを特徴とする請求項1に記載の複数ユニットの波長選択スイッチ。
- 複数の前記入出力ポートグループで1つの前記入出力ポートアレイの出力ポートにフォトディテクターを連結して光パワーモニターとして使用する、ことを特徴とする請求項1に記載の複数ユニットの波長選択スイッチ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020170082492A KR101967624B1 (ko) | 2017-06-29 | 2017-06-29 | 복수 유닛의 파장 선택 스위치 |
KR10-2017-0082492 | 2017-06-29 | ||
PCT/KR2017/007769 WO2019004510A1 (ko) | 2017-06-29 | 2017-07-19 | 복수 유닛의 파장 선택 스위치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020525815A JP2020525815A (ja) | 2020-08-27 |
JP6918979B2 true JP6918979B2 (ja) | 2021-08-11 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019563075A Active JP6918979B2 (ja) | 2017-06-29 | 2017-07-19 | 複数ユニットの波長選択スイッチ |
Country Status (6)
Country | Link |
---|---|
US (1) | US11204470B2 (ja) |
EP (1) | EP3647844B1 (ja) |
JP (1) | JP6918979B2 (ja) |
KR (1) | KR101967624B1 (ja) |
CN (1) | CN110785689B (ja) |
WO (1) | WO2019004510A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2574888B (en) * | 2018-06-22 | 2022-08-10 | Huber Suhner Polatis Ltd | Multiple wavelength band optical switching unit |
US11079551B2 (en) * | 2019-01-02 | 2021-08-03 | Lumentum Operations Llc | Liquid crystal on silicon element for dual-functionality beam steering in wavelength selective switches |
US11153667B2 (en) * | 2019-10-18 | 2021-10-19 | Inlc Technology Co., Ltd. | Twin wavelength selective switch |
KR102675060B1 (ko) * | 2021-02-16 | 2024-06-13 | 주식회사 셀쿱스 | 광 통신용 다중 파장 선택 스위칭 장치 |
CN117369054A (zh) * | 2022-06-30 | 2024-01-09 | 华为技术有限公司 | 波长选择开关,光束传输方向的调度方法以及光交换节点 |
Family Cites Families (20)
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AU2002257061A1 (en) * | 2001-03-16 | 2002-10-03 | Photuris, Inc. | Wavelength division multiplexed optical communication system having a reconfigurable optical switch and a tunable backup laser transmitter |
US6674935B2 (en) * | 2001-06-15 | 2004-01-06 | Tropic Networks Inc. | Optical connection arrangements |
US6738176B2 (en) * | 2002-04-30 | 2004-05-18 | Mario Rabinowitz | Dynamic multi-wavelength switching ensemble |
JP2005189548A (ja) * | 2003-12-25 | 2005-07-14 | Olympus Corp | 光スイッチ装置、および光スイッチ装置のキャリブレーション方法 |
JP4530805B2 (ja) * | 2004-11-02 | 2010-08-25 | 富士通株式会社 | 光スイッチおよび光伝送装置 |
US8190025B2 (en) * | 2008-02-28 | 2012-05-29 | Olympus Corporation | Wavelength selective switch having distinct planes of operation |
JP5166380B2 (ja) * | 2009-09-18 | 2013-03-21 | 日本電信電話株式会社 | 波長選択スイッチ |
JP5537260B2 (ja) * | 2010-05-25 | 2014-07-02 | ジェイディーエス ユニフェイズ コーポレーション | 波長選択スイッチ |
JP5651904B2 (ja) | 2011-04-14 | 2015-01-14 | 独立行政法人産業技術総合研究所 | N×n波長選択スイッチ |
JP5773088B2 (ja) * | 2012-10-16 | 2015-09-02 | 住友電気工業株式会社 | 光路制御装置 |
JP6427869B2 (ja) * | 2013-03-15 | 2018-11-28 | 住友電気工業株式会社 | 波長選択スイッチ |
CA2907705A1 (en) * | 2013-03-20 | 2014-09-25 | Nistica, Inc. | Wavelength selective switch employing a lcos device and having reduced crosstalk |
CA2907695A1 (en) | 2013-03-20 | 2014-09-25 | Nistica, Inc. | Wavelength selective switch having integrated channel monitor |
JP5959466B2 (ja) * | 2013-03-29 | 2016-08-02 | 古河電気工業株式会社 | 光操作装置 |
US9588299B2 (en) * | 2014-01-29 | 2017-03-07 | Oplink Communications, Inc. | 2×2 wavelength selective switch array |
JP6034319B2 (ja) * | 2014-02-25 | 2016-11-30 | 古河電気工業株式会社 | 光スイッチ |
WO2016071777A2 (en) * | 2014-11-03 | 2016-05-12 | INLC Technology, Inc. | Wavelength selection switch including a switching module having a liquid crystal phase array, a polarizer and a liquid crystal on silicon |
CN104597572B (zh) * | 2015-01-16 | 2017-07-18 | 华中科技大学 | 一种基于硅基液晶的波长选择开关 |
JP6251202B2 (ja) * | 2015-01-27 | 2017-12-20 | 日本電信電話株式会社 | 波長選択スイッチ |
US9680570B2 (en) * | 2015-04-30 | 2017-06-13 | Nistica, Inc. | Optical channel monitor for a wavelength selective switch employing a single photodiode |
-
2017
- 2017-06-29 KR KR1020170082492A patent/KR101967624B1/ko active IP Right Grant
- 2017-07-19 JP JP2019563075A patent/JP6918979B2/ja active Active
- 2017-07-19 US US16/613,724 patent/US11204470B2/en active Active
- 2017-07-19 WO PCT/KR2017/007769 patent/WO2019004510A1/ko unknown
- 2017-07-19 CN CN201780092466.0A patent/CN110785689B/zh active Active
- 2017-07-19 EP EP17915466.1A patent/EP3647844B1/en active Active
Also Published As
Publication number | Publication date |
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EP3647844A1 (en) | 2020-05-06 |
EP3647844B1 (en) | 2023-11-29 |
CN110785689B (zh) | 2022-05-31 |
US20200073056A1 (en) | 2020-03-05 |
WO2019004510A1 (ko) | 2019-01-03 |
JP2020525815A (ja) | 2020-08-27 |
KR20190002088A (ko) | 2019-01-08 |
CN110785689A (zh) | 2020-02-11 |
KR101967624B1 (ko) | 2019-04-11 |
EP3647844A4 (en) | 2020-12-09 |
US11204470B2 (en) | 2021-12-21 |
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