JP5703349B2 - 導波路型光デバイス - Google Patents
導波路型光デバイス Download PDFInfo
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- JP5703349B2 JP5703349B2 JP2013156058A JP2013156058A JP5703349B2 JP 5703349 B2 JP5703349 B2 JP 5703349B2 JP 2013156058 A JP2013156058 A JP 2013156058A JP 2013156058 A JP2013156058 A JP 2013156058A JP 5703349 B2 JP5703349 B2 JP 5703349B2
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- 230000003287 optical effect Effects 0.000 title claims description 131
- 230000010287 polarization Effects 0.000 claims description 190
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
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- 229920005989 resin Polymers 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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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
- G02B6/10—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
- G02B6/12026—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 means for reducing the temperature dependence
-
- 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
- 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
- G02B6/12014—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 wavefront splitting or combining section, e.g. grooves or optical elements in a slab waveguide
-
- 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
- G02B6/12023—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 means for reducing the polarisation dependence, e.g. reduced birefringence
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Integrated Circuits (AREA)
Description
(nSTM−nSTE)×ΔL’+2×(nCTM−nCTE)×ΔL”=0
となるようにΔL”を調整することで、アレイ導波路回折格子型光合分波器は、温度依存性と偏波依存性とを同時に無依存化し、PDLの影響を低減できる。
以下、本発明を実施するための形態を図面に基いて説明する。図6は本実施形態のアレイ導波路回折格子型光合分波器106の形態を示す。本形態の特徴は、アレイ導波路に挿入した偏波依存性解消手段によってトータルの偏波依存性を解消する構造にある。以下、図面に基づいて詳細に説明する。
図7に、アレイ導波路回折格子型光合分波器107の概略図を示す。アレイ導波路回折格子型光合分波器107と図6のアレイ導波路回折格子型光合分波器106との違いは、温度補償手段27がアレイ導波路15ではなく、入力スラブ導波路14に配置されていることである。温度補償手段27は、入力スラブ導波路14ではなく、出力スラブ導波路18に配置されていてもよい。
図9に、アレイ導波路回折格子型光合分波器109の概略図を示す。アレイ導波路回折格子型光合分波器109と図7のアレイ導波路回折格子型光合分波器107との違いは、偏波依存性解消手段17が斜めに配置されていないこと、アレイ導波路15の中心に配置されていないことである。また、直線部分15aに屈折率の偏波依存性分布が有り、導波路間屈折率差に偏波依存性がある。具体的には、アレイ導波路15の導波路長が短い方から長い方にかけてチャネル導波路の間隔が狭くなっている。例えば、アレイ導波路15の本数は250本であり、アレイ導波路15のチャネル導波路の最小間隔は15umで、チャネル導波路の間隔変化率は0.1〜0.2%/本である。
図10に、マッハツェンダ型干渉計110の概略図を示す。マッハツェンダ型干渉計110は、導波路基板11上に石英系導波路で構成される。石英系導波路は、少なくとも1本以上の入力チャネル導波路13と、入力チャネル導波路13に接続される第1カプラ34と、第1カプラ34に接続される2本のチャネル導波路(35−1、35−2)と、2本のチャネル導波路(35−1、35−2)に施される偏波依存性解消手段17と、2本のチャネル導波路(35−1、35−2)に接続される第2カプラ38と、2本のチャネル導波路(35−1、35−2)にそれぞれ施され、2本のチャネル導波路(35−1、35−2)における光路長差の温度依存性を補償する温度補償手段(27−1、27−2)と、第2カプラ38に接続される少なくとも1本以上の出力チャネル導波路21と、を備える。
110、111:マッハツェンダ型干渉計
11:導波路基板
12:入力ポート
13:入力チャネル導波路
14:入力スラブ導波路
15:アレイ導波路
15a:直線部分
16、19、26:溝
17:偏波依存性解消手段
18:出力スラブ導波路
21:出力チャネル導波路
22−1〜64:出力ポート
27、27−1、27−2:温度補償手段
34:第1カプラ
35−1、35−2:チャネル導波路
38:第2カプラ
Claims (3)
- 導波路基板上に少なくとも1本以上の入力チャネル導波路と、
前記入力チャネル導波路に接続される入力スラブ導波路と、
前記入力スラブ導波路に接続される複数のチャネル導波路からなるアレイ導波路と、
前記アレイ導波路に施される偏波依存性解消手段と、
前記アレイ導波路に接続される出力スラブ導波路と、
前記入力スラブ導波路、前記出力スラブ導波路、前記偏波依存性解消手段に対し前記入力スラブ導波路側の前記アレイ導波路、又は前記偏波依存性解消手段に対し前記出力スラブ導波路側の前記アレイ導波路に施され、前記アレイ導波路の前記チャネル導波路における光路長差の温度依存性を補償する温度補償手段と、
前記出力スラブ導波路に接続される少なくとも1本以上の出力チャネル導波路と、
を備える導波路型光デバイスであって、
前記アレイ導波路におけるチャネル導波路の屈折率のチャネル間差に偏波依存性があり、前記偏波依存性解消手段の位置が前記アレイ導波路の中心より前記入力スラブ導波路側又は前記出力スラブ導波路側に寄っており、
前記入力スラブ導波路から前記出力スラブ導波路までの各チャネルのトータルの偏波依存性を解消することを特徴とする導波路型光デバイス。 - 前記アレイ導波路のうち前記偏波依存性解消手段が配置される部分が直線であることを特徴とする請求項1に記載の導波路型光デバイス。
- 前記偏波依存性解消手段近傍における前記アレイ導波路の前記チャネル導波路の間隔がそれぞれ異なることを特徴とする請求項1又は2に記載の導波路型光デバイス。
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JP2013156058A JP5703349B2 (ja) | 2008-02-22 | 2013-07-26 | 導波路型光デバイス |
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US (1) | US8467642B2 (ja) |
EP (2) | EP2253976B1 (ja) |
JP (2) | JP5358461B2 (ja) |
CN (1) | CN101952752B (ja) |
WO (1) | WO2009104664A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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US8873910B2 (en) | 2010-03-19 | 2014-10-28 | Gemfire Corporation | Optical device with athermal slots for temperature dependence curvature reduction |
JP5508331B2 (ja) * | 2011-04-15 | 2014-05-28 | 日本電信電話株式会社 | 光波長合分波器 |
CN104991309B (zh) * | 2015-04-29 | 2018-10-02 | 南京邮电大学 | 一种补偿阵列波导光栅偏振敏感性的方法 |
US20180052282A1 (en) * | 2016-08-18 | 2018-02-22 | Lumentum Operations Llc | Dual polarization arrayed waveguide grating |
CN109683238B (zh) * | 2017-10-18 | 2020-09-01 | 上海信及光子集成技术有限公司 | 一种阵列波导光栅的非均匀温度补偿结构及方法 |
CN114236685B (zh) * | 2022-01-21 | 2024-02-02 | 青岛光盈光电技术有限责任公司 | 一种基于波导阵列光栅的分波器 |
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JP2614365B2 (ja) | 1991-01-14 | 1997-05-28 | 日本電信電話株式会社 | 偏波無依存導波型光デバイス |
JP3048039B2 (ja) * | 1995-01-31 | 2000-06-05 | 日本電信電話株式会社 | 通過帯域幅可変光フィルタ |
US6304687B1 (en) * | 1997-02-14 | 2001-10-16 | Nippon Telegraph And Telephone Corporation | Optical waveguide circuit, its manufacturing method and optical waveguide module having the optical waveguide circuit |
JP2003149478A (ja) * | 1997-02-14 | 2003-05-21 | Nippon Telegr & Teleph Corp <Ntt> | 光導波回路及び当該光導波回路を有する光導波回路モジュール並びに光導波回路の製造方法 |
JP2000028979A (ja) * | 1998-07-13 | 2000-01-28 | Nippon Telegr & Teleph Corp <Ntt> | 偏波無依存光制御素子 |
JP3880222B2 (ja) | 1998-10-09 | 2007-02-14 | 株式会社巴川製紙所 | 温度補償型平面光導波路部品用温度補償材料およびこれを用いた温度補償型平面光導波路部品 |
JP3498650B2 (ja) * | 1999-10-21 | 2004-02-16 | 日立電線株式会社 | 光波長合分波器 |
US6546161B2 (en) * | 2000-01-21 | 2003-04-08 | Nippon Telegraph And Telephone Corporation | No polarization dependent waveguide type optical circuit |
JP3429277B2 (ja) * | 2000-01-21 | 2003-07-22 | 日本電信電話株式会社 | 偏波無依存導波路型光回路 |
EP1367418A1 (en) * | 2002-05-30 | 2003-12-03 | Alcatel | Athermal arrayed waveguide grating |
JP4241304B2 (ja) | 2003-09-30 | 2009-03-18 | 住友ベークライト株式会社 | 樹脂組成物、プリプレグおよび積層板 |
JP4405978B2 (ja) * | 2006-04-18 | 2010-01-27 | 日本電信電話株式会社 | 光信号処理器 |
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US20100322556A1 (en) | 2010-12-23 |
WO2009104664A1 (ja) | 2009-08-27 |
JPWO2009104664A1 (ja) | 2011-06-23 |
EP2253976A1 (en) | 2010-11-24 |
EP2253976A4 (en) | 2013-06-05 |
JP2013232010A (ja) | 2013-11-14 |
EP2871503A2 (en) | 2015-05-13 |
EP2871503B1 (en) | 2016-08-24 |
US8467642B2 (en) | 2013-06-18 |
CN101952752A (zh) | 2011-01-19 |
EP2253976B1 (en) | 2015-10-07 |
EP2871503A3 (en) | 2015-05-27 |
CN101952752B (zh) | 2013-03-27 |
JP5358461B2 (ja) | 2013-12-04 |
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