JP3763826B2 - 2次元フォトニック結晶分合波器 - Google Patents
2次元フォトニック結晶分合波器 Download PDFInfo
- Publication number
- JP3763826B2 JP3763826B2 JP2003307654A JP2003307654A JP3763826B2 JP 3763826 B2 JP3763826 B2 JP 3763826B2 JP 2003307654 A JP2003307654 A JP 2003307654A JP 2003307654 A JP2003307654 A JP 2003307654A JP 3763826 B2 JP3763826 B2 JP 3763826B2
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- Prior art keywords
- point
- light
- defect
- photonic crystal
- multiplexer
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
-
- 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
- G02B6/122—Basic optical elements, e.g. light-guiding paths
-
- 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
- G02B6/122—Basic optical elements, e.g. light-guiding paths
- G02B6/1225—Basic optical elements, e.g. light-guiding paths comprising photonic band-gap structures or photonic lattices
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optical Integrated Circuits (AREA)
Description
a)スラブ状の本体と、
b)前記本体内に所定の周期で格子状に配置された複数の、本体とは屈折率の異なる領域と、
c)前記本体に設けた、前記異屈折率領域の欠陥を線状に設けた導波路から成る第1光導出入部と、
d)前記本体に設けた第2光導出入部と、
e)前記異屈折率領域の欠陥を点状に設けて成り、略同一の共振波長を有する点状欠陥共振器であって、第1光導出入部と第2光導出入部との間に2個、直列に配置した点状欠陥共振器と、
を備え、
点状欠陥共振器の共振周波数ω 0 、点状欠陥共振器と第1及び第2光導出入部の間のQ値であるQ in 、及び点状欠陥共振器と結晶外部との間のQ値であるQ v により求められる値[(ω 0 /2)×(1/Q in +1/Q v )] 2 と2個の点状欠陥共振器の間の相互結合係数μの2乗との比で定義される結合比μ 2 /[(ω 0 /2)×(1/Q in +1/Q v )] 2 が0.2〜10である、
ことを特徴とする。
説明したが、この個数が2個よりも大きいN個の場合にも、ω2Nの項の影響により上記モデルの場合と同様の効果が得られる。第1光導出入部と第2光導出入部との間の距離が長い場合には2個の光導出入部の間を接続するために点状欠陥共振器を3個以上設けることが有益である。但し、点状欠陥共振器の個数を3以上とする場合には、周囲との関係が点状欠陥共振器毎に異なるため、同一の共振周波数及びQ値を得るための設計を点状欠陥共振器毎に行う。同様に、第2光導出入部が点状欠陥である場合等にも、第2光導出入部と第1光導出入部(導波路)との違いにより、点状欠陥共振器毎に周囲との関係が異なるため、上記同様に各点状欠陥共振器の設計を個別に行う。また、点状欠陥共振器の個数が2であり、第2光導出入部が導波路である場合には、2個の点状欠陥共振器及び2個の光導出入部を点対称となるように配置するとよい。これにより、周囲との関係が2個の点状欠陥共振器同士で等しくなるため、点状欠陥共振器を同種のものとすれば同一の共振周波数及びQ値を得ることができ、分合波器の設計が容易になる。
12、16…第2光導出入部
13、14、17…点状欠陥共振器
21…本体
22…空孔
23、65…入力導波路
24、66…出力導波路
25、26、31、32、51、67、68…点状欠陥
Claims (9)
- a)スラブ状の本体と、
b)前記本体内に所定の周期で格子状に配置された複数の、本体とは屈折率の異なる領域と、
c)前記本体に設けた、前記異屈折率領域の欠陥を線状に設けた導波路から成る第1光導出入部と、
d)前記本体に設けた第2光導出入部と、
e)前記異屈折率領域の欠陥を点状に設けて成り、略同一の共振波長を有する点状欠陥共振器であって、第1光導出入部と第2光導出入部との間に2個、直列に配置した点状欠陥共振器と、
を備え、
点状欠陥共振器の共振周波数ω 0 、点状欠陥共振器と第1及び第2光導出入部の間のQ値であるQ in 、及び点状欠陥共振器と結晶外部の間のQ値であるQ v により求められる値[(ω 0 /2)×(1/Q in +1/Q v )] 2 と2個の点状欠陥共振器の間の相互結合係数μの2乗との比で定義される結合比μ 2 /[(ω 0 /2)×(1/Q in +1/Q v )] 2 が0.2〜10である、
ことを特徴とする2次元フォトニック結晶分合波器。 - 第2光導出入部は、結晶外部との間のQ値が前記点状欠陥共振器のQ値よりも小さい点状欠陥であることを特徴とする請求項1に記載の2次元フォトニック結晶分合波器。
- 前記点状欠陥共振器のうちの少なくとも1個は前記異屈折率領域を欠損させることにより形成されるドナー型欠陥であることを特徴とする請求項2に記載の2次元フォトニック結晶分合波器。
- 第2光導出入部が前記異屈折率領域の欠陥を線状に設けた導波路であることを特徴とする請求項1に記載の2次元フォトニック結晶分合波器。
- 第2光導出入部に前記共振波長の光を反射する第2反射部を設けたことを特徴とする請求項4に記載の2次元フォトニック結晶分合波器。
- 第1光導出入部に前記共振波長の光を反射する第1反射部を設けたことを特徴とする請求項1〜5のいずれかに記載の2次元フォトニック結晶分合波器。
- 前記本体は前記異屈折率領域の周期の異なる複数の禁制帯領域から成り、第1光導出入部又は第2光導出入部は該複数の禁制帯領域を通過し、前記共振波長は前記点状欠陥共振器の属する禁制帯領域では第1光導出入部又は第2光導出入部の導波路透過波長帯に含まれ、他の禁制帯領域で該導波路透過波長帯に含まれないことを特徴とする請求項5又は6に記載の2次元フォトニック結晶分合波器。
- 2個の点状欠陥共振器及び前記2個の光導出入部が点対称に配置されていることを特徴とする請求項1〜7のいずれかに記載の2次元フォトニック結晶分合波器。
- 前記点状欠陥共振器の近傍の異屈折率領域を前記配置周期により定められる位置から変位させたことを特徴とする請求項1〜8のいずれかに記載の2次元フォトニック結晶分合波器。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003307654A JP3763826B2 (ja) | 2003-08-29 | 2003-08-29 | 2次元フォトニック結晶分合波器 |
TW093124780A TW200513696A (en) | 2003-08-29 | 2004-08-18 | Two-dimensional photonic crystal demultiplexer/multiplexer |
US10/566,843 US7406221B2 (en) | 2003-08-29 | 2004-08-24 | Two-dimensional photonic crystal multiplexer/demultiplexer |
CNB2004800249095A CN100394228C (zh) | 2003-08-29 | 2004-08-24 | 二维光子晶体分合波器 |
KR1020067000978A KR101116736B1 (ko) | 2003-08-29 | 2004-08-24 | 2차원 포토닉 결정 분합파기 |
CA2537206A CA2537206C (en) | 2003-08-29 | 2004-08-24 | Two-dimensional photonic crystal multiplexer/demultiplexer |
EP04772075A EP1659431B1 (en) | 2003-08-29 | 2004-08-24 | Two-dimensional photonic crystal multiplexer/demultiplexer |
PCT/JP2004/012114 WO2005022219A1 (ja) | 2003-08-29 | 2004-08-24 | 2次元フォトニック結晶分合波器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003307654A JP3763826B2 (ja) | 2003-08-29 | 2003-08-29 | 2次元フォトニック結晶分合波器 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005077709A JP2005077709A (ja) | 2005-03-24 |
JP2005077709A5 JP2005077709A5 (ja) | 2005-09-08 |
JP3763826B2 true JP3763826B2 (ja) | 2006-04-05 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003307654A Expired - Fee Related JP3763826B2 (ja) | 2003-08-29 | 2003-08-29 | 2次元フォトニック結晶分合波器 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7406221B2 (ja) |
EP (1) | EP1659431B1 (ja) |
JP (1) | JP3763826B2 (ja) |
KR (1) | KR101116736B1 (ja) |
CN (1) | CN100394228C (ja) |
CA (1) | CA2537206C (ja) |
TW (1) | TW200513696A (ja) |
WO (1) | WO2005022219A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006267474A (ja) * | 2005-03-23 | 2006-10-05 | Kyoto Univ | フォトニック結晶 |
US7630604B2 (en) * | 2006-10-26 | 2009-12-08 | The Board Of Trustees Of The Leland Stanford Junior University | Dipole induced transparency drop-filter cavity-waveguide system |
JP5272173B2 (ja) * | 2007-03-26 | 2013-08-28 | 国立大学法人京都大学 | 2次元フォトニック結晶 |
CN101430277B (zh) * | 2007-11-07 | 2010-09-29 | 清华大学 | 气体折射率传感器 |
CN100510813C (zh) * | 2007-12-03 | 2009-07-08 | 中国科学院光电技术研究所 | 一种高耦合效率的复合型二维光子晶体的设计方法 |
CN101458210B (zh) * | 2007-12-12 | 2012-09-19 | 清华大学 | 折射率传感器 |
WO2011083694A1 (ja) * | 2010-01-07 | 2011-07-14 | シャープ株式会社 | 光電変換素子 |
WO2011083693A1 (ja) | 2010-01-07 | 2011-07-14 | シャープ株式会社 | 太陽電池、太陽電池パネルおよび太陽電池を備えた装置 |
EP2506046A1 (en) * | 2011-03-31 | 2012-10-03 | Alcatel Lucent | An optical multiplexer |
JP6106107B2 (ja) * | 2014-02-12 | 2017-03-29 | 日本電信電話株式会社 | 光共振器 |
US11556045B2 (en) * | 2019-09-20 | 2023-01-17 | Humboldt-Universitaet Zu Berlin | Device for generating individual photons |
CN111856656B (zh) * | 2020-07-24 | 2022-12-23 | 上海大学 | 一种光子晶体结构的四信道下路滤波器 |
CN112747820B (zh) * | 2020-12-23 | 2022-03-25 | 南京大学 | 一种集成硅光子晶体波导的太赫兹探测器 |
Family Cites Families (11)
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JPH0782131B2 (ja) * | 1985-10-28 | 1995-09-06 | 日本電信電話株式会社 | 光リングフィルタ |
US6101300A (en) * | 1997-06-09 | 2000-08-08 | Massachusetts Institute Of Technology | High efficiency channel drop filter with absorption induced on/off switching and modulation |
WO2001020379A1 (en) * | 1999-09-15 | 2001-03-22 | Ho Seng Tiong | Photon transistors |
JP2001228347A (ja) | 2000-02-16 | 2001-08-24 | Japan Science & Technology Corp | 光導波路型波長フィルタ |
JP3925769B2 (ja) | 2000-03-24 | 2007-06-06 | 関西ティー・エル・オー株式会社 | 2次元フォトニック結晶及び合分波器 |
CN1156063C (zh) * | 2000-06-06 | 2004-06-30 | 中国科学院物理研究所 | 一种光子晶体微腔结构 |
US6917431B2 (en) | 2001-05-15 | 2005-07-12 | Massachusetts Institute Of Technology | Mach-Zehnder interferometer using photonic band gap crystals |
US6891993B2 (en) | 2001-06-11 | 2005-05-10 | The University Of Delaware | Multi-channel wavelength division multiplexing using photonic crystals |
US6832033B2 (en) * | 2001-06-11 | 2004-12-14 | The University Of Delaware | Hetero-structure photonic bandgap materials |
FR2841658B1 (fr) * | 2002-06-26 | 2004-10-22 | Centre Nat Rech Scient | Dispositif de couplage optique directionnel et selectif en longueur d'onde |
JP3692354B2 (ja) * | 2002-12-26 | 2005-09-07 | 独立行政法人科学技術振興機構 | 電磁波周波数フィルタ |
-
2003
- 2003-08-29 JP JP2003307654A patent/JP3763826B2/ja not_active Expired - Fee Related
-
2004
- 2004-08-18 TW TW093124780A patent/TW200513696A/zh not_active IP Right Cessation
- 2004-08-24 KR KR1020067000978A patent/KR101116736B1/ko not_active IP Right Cessation
- 2004-08-24 WO PCT/JP2004/012114 patent/WO2005022219A1/ja active Application Filing
- 2004-08-24 EP EP04772075A patent/EP1659431B1/en not_active Expired - Fee Related
- 2004-08-24 CN CNB2004800249095A patent/CN100394228C/zh not_active Expired - Fee Related
- 2004-08-24 US US10/566,843 patent/US7406221B2/en not_active Expired - Fee Related
- 2004-08-24 CA CA2537206A patent/CA2537206C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1659431B1 (en) | 2012-05-09 |
EP1659431A4 (en) | 2007-06-27 |
KR101116736B1 (ko) | 2012-02-22 |
US7406221B2 (en) | 2008-07-29 |
JP2005077709A (ja) | 2005-03-24 |
CN1846156A (zh) | 2006-10-11 |
CA2537206C (en) | 2012-05-15 |
TWI359290B (ja) | 2012-03-01 |
KR20060033800A (ko) | 2006-04-19 |
CN100394228C (zh) | 2008-06-11 |
EP1659431A1 (en) | 2006-05-24 |
US20060204161A1 (en) | 2006-09-14 |
WO2005022219A1 (ja) | 2005-03-10 |
TW200513696A (en) | 2005-04-16 |
CA2537206A1 (en) | 2005-03-10 |
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