JP6016312B2 - 光合分波器 - Google Patents
光合分波器 Download PDFInfo
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- JP6016312B2 JP6016312B2 JP2014535386A JP2014535386A JP6016312B2 JP 6016312 B2 JP6016312 B2 JP 6016312B2 JP 2014535386 A JP2014535386 A JP 2014535386A JP 2014535386 A JP2014535386 A JP 2014535386A JP 6016312 B2 JP6016312 B2 JP 6016312B2
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Classifications
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- 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
- H04B10/40—Transceivers
-
- 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
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the arrayed waveguides, e.g. comprising a filled groove in the array section
-
- 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
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
-
- 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
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
- G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
- G02B6/12019—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes
- G02B6/12021—Comprising cascaded AWG devices; AWG multipass configuration; Plural AWG devices integrated on a single chip
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J14/00—Optical multiplex systems
- H04J14/02—Wavelength-division multiplex systems
- H04J14/03—WDM arrangements
- H04J14/0307—Multiplexers; Demultiplexers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Optical Integrated Circuits (AREA)
Description
図4は本実施例にかかるアレイ導波路格子型光フィルタの概略を示す。本実施例にかかるアレイ導波路格子型光フィルタは、図4に示すように、第1のスラブ導波路11と、第2のスラブ導波路12と、アレイ導波路群13と、入力導波路14と、出力導波路15とを備えている。
ここで、比屈折率差2%以上の導波路を用いると最小曲げ半径は(波長1300nm帯において)750μm以下と通常の導波路より急峻に曲げられるようになる。
本実施例では、調心用導波路付きLAN−WDM信号分波用アレイ導波路格子型光フィルタとして機能させるために、実施例1のアレイ導波路格子型光合分波器を、分波する光信号の波長が異なる構成としている。図8は、本実施例で設計した調心用導波路付きLAN−WDM信号分波用アレイ導波路格子型光フィルタの導波路配置図である。用いた導波路の材質と導波路パラメータは、図5に示したアレイ導波路格子型光合分波器と同一であるが、分波する光信号の波長が異なる。4波の波長を1295.56nm、1300.05nm、1304.58nm、1309.14nmとし、透過損失のチャネル間格差を考慮しFSRを7830GHzとした。結果、隣接するS字状アレイ導波路間に付与する導波路長差は、25.79μmとした。また、図5に示したアレイ導波路格子型光合分波器と同様に、合分波特性の透過域での平坦性を出現させるため、入力導波路14と出力導波路15との導波路幅を違う値にした。具体的には第1のスラブ導波路11に接続される入力導波路14の幅を8.0μmとし、第2のスラブ導波路12に接続される4本の出力導波路15の幅を15μmとした。
2 第2のスラブ導波路
3 アレイ導波路群
3a、3b、3e、3f 直線導波路
3c、3d 円弧導波路
4 入力導波路
5 出力導波路
6 扇型円弧導波路群
11 第1のスラブ導波路
12 第2のスラブ導波路
13 アレイ導波路群
13a、13d、13h、13k 直線導波路
13b、13c、13e、13f、13g、13i、13j 円弧導波路
14 入力導波路
15 出力導波路
17 導波路長差調整用の直線導波路群
17a 第1の導波路長差調整用の直線導波路
17b 第2の導波路長差調整用の直線導波路
18a 第1の基準線
18b 第2の基準線
18c 第3の基準線
18d 第4の基準線
18e 第5の基準線
18f 第6の基準線
19a 第1の基準点
19b 第2の基準点
20a 第1の基準点19aを中心とする直線導波路13aの開き角
21a 第2の基準点19bを中心とする直線導波路13bの開き角
22 出力導波路のファインアウト部分
30 第1の調心用光出力導波路
31 第2の調心用光出力導波路
32 調心用光入力導波路
33 ループ状導波路
34 第3の調心用光出力導波路
35 光フィルタ・チップ
36 光レンズ・アレイ
37 PDアレイを集積した部材
38 レセプタクル用部材
39 1芯の光ファイバ・ブロック
40 大口径PD
Claims (2)
- 一端に入力部を有する少なくとも1本の入力導波路と、
一端が前記入力導波路の他端に接続された第1のスラブ導波路と、
一端が前記のスラブ導波路の他端に接続された複数本の導波路を有するアレイ導波路群と、
一端が前記アレイ導波路群の他端に接続された第2のスラブ導波路と、
一端が前記第2のスラブ導波路の他端に接続され、他端に出力部を有する少なくとも1本の出力導波路とを備え、
前記アレイ導波路群の各導波路は、一端が前記第1のスラブ導波路に接続され、導波路の延伸方向が180度以上変化する第1の曲部と、一端が前記第1の曲部の他端に接続され、他端が前記第2のスラブ導波路に接続され、前記第1の曲部とは逆方向に導波路の延伸方向が180度以上変化する第2の曲部とを有する、S字状の導波路からなり、
前記入力導波路の入力部と前記出力導波路の出力部とは前記光合分波器の対向する端部にそれぞれ設けられ、
一端が前記第1のスラブ導波路の他端に接続され、他端に入力部を有する調心用入力導波路をさらに備え、
前記調心用入力導波路の入力部は、前記入力導波路の入力部および前記出力導波路の出力部と同じ平面内であって、前記対向する端部とは異なる前記光合分波器の端部に設けられ、
前記出力導波路のうち2本の他端には出力部がなく、かつ互いに接続されていることにより、ループ状になっていることを特徴とする光合分波器。
- 前記光合分波器は、長方形の平板上チップに形成され、前記入力導波路の入力部および前記出力導波路の出力部および前記調心用入力導波路のうち少なくとも1本以上の導波路がチップ辺に対して垂直より8度以上の傾きをなすことを特徴とする請求項1に記載の光合分波器。
Applications Claiming Priority (3)
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JP2012203265 | 2012-09-14 | ||
JP2012203265 | 2012-09-14 | ||
PCT/JP2013/005463 WO2014041821A1 (ja) | 2012-09-14 | 2013-09-13 | 光合分波器 |
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JPWO2014041821A1 JPWO2014041821A1 (ja) | 2016-08-18 |
JP6016312B2 true JP6016312B2 (ja) | 2016-10-26 |
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US (1) | US9407371B2 (ja) |
EP (1) | EP2896979B1 (ja) |
JP (1) | JP6016312B2 (ja) |
CN (1) | CN104620147B (ja) |
CA (1) | CA2884318C (ja) |
WO (1) | WO2014041821A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US9401773B1 (en) * | 2015-03-04 | 2016-07-26 | Alliance Fiber Optic Products, Inc. | Compact multi-channel WDM devices for high-speed data communications |
US9729243B2 (en) | 2015-04-23 | 2017-08-08 | Centera Photonics Inc. | Optoelectronic transmitter, optoelectronic receiver and optoelectronic transceiver |
JP2017090575A (ja) * | 2015-11-05 | 2017-05-25 | 株式会社フジクラ | 光合分波素子及び光変調器 |
KR101978913B1 (ko) * | 2015-11-16 | 2019-05-16 | 한국전자통신연구원 | 다채널 광 수신기 및 그의 제조 방법 |
US9711930B2 (en) * | 2015-12-01 | 2017-07-18 | Seagate Technology Llc | Optical signal waveguide dispersion filter |
US20190146152A1 (en) * | 2017-11-15 | 2019-05-16 | Source Photonics (Chengdu) Company , Ltd. | Waveguide Array Module and Receiver Optical Sub-Assembly |
US10634844B1 (en) * | 2019-02-21 | 2020-04-28 | Applied Optoelectronics, Inc. | Optical multiplexer\demultiplexer with input and output ports on a single side, and an optical transceiver implementing same |
CN110596813B (zh) * | 2019-08-02 | 2020-07-14 | 浙江大学 | 一种支持低损耗基模传输的硅基多模螺旋波导延迟线 |
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JPH03222810A (ja) | 1990-01-26 | 1991-10-01 | Calsonic Corp | 車両の排気ガス導出装置 |
US5212758A (en) | 1992-04-10 | 1993-05-18 | At&T Bell Laboratories | Planar lens and low order array multiplexer |
EP0823647B1 (en) | 1996-08-06 | 2003-07-23 | Nippon Telegraph And Telephone Corporation | Arrayed-waveguide grating |
JP3222810B2 (ja) | 1996-08-06 | 2001-10-29 | 日本電信電話株式会社 | アレイ導波路格子 |
JP3962227B2 (ja) * | 2001-07-04 | 2007-08-22 | 日本電信電話株式会社 | 導波路型光信号処理回路 |
US6731828B2 (en) * | 2001-07-04 | 2004-05-04 | Nippon Telegraph And Telephone Corporation | Waveguide-type optical signal processing circuit |
JP3650348B2 (ja) * | 2001-08-13 | 2005-05-18 | 日本電信電話株式会社 | 周波数選択光フィルタ |
JP2003090925A (ja) * | 2001-09-17 | 2003-03-28 | Fdk Corp | 光導波路デバイス |
JP4263027B2 (ja) * | 2003-06-18 | 2009-05-13 | 日本電信電話株式会社 | 導波路型光信号処理器 |
TWI258605B (en) * | 2004-12-22 | 2006-07-21 | Ind Tech Res Inst | Dynamic optical power equalizer |
US7702200B2 (en) * | 2008-02-28 | 2010-04-20 | Corrado Pietro Dragone | Waveguide grating optical router suitable for CWDM |
JP4365879B1 (ja) * | 2008-05-21 | 2009-11-18 | Nttエレクトロニクス株式会社 | 平面光波回路 |
US8340484B2 (en) * | 2010-01-05 | 2012-12-25 | Board Of Regents, The University Of Texas System | Compact multi-port optical signal processor |
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- 2013-09-13 WO PCT/JP2013/005463 patent/WO2014041821A1/ja active Application Filing
- 2013-09-13 CN CN201380047618.7A patent/CN104620147B/zh active Active
- 2013-09-13 US US14/424,358 patent/US9407371B2/en active Active
- 2013-09-13 EP EP13837205.7A patent/EP2896979B1/en active Active
- 2013-09-13 JP JP2014535386A patent/JP6016312B2/ja active Active
- 2013-09-13 CA CA2884318A patent/CA2884318C/en active Active
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US20150229400A1 (en) | 2015-08-13 |
EP2896979A1 (en) | 2015-07-22 |
WO2014041821A1 (ja) | 2014-03-20 |
CA2884318A1 (en) | 2014-03-20 |
CN104620147B (zh) | 2018-01-19 |
JPWO2014041821A1 (ja) | 2016-08-18 |
EP2896979A4 (en) | 2016-06-08 |
US9407371B2 (en) | 2016-08-02 |
CN104620147A (zh) | 2015-05-13 |
EP2896979B1 (en) | 2017-08-16 |
CA2884318C (en) | 2017-02-14 |
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