JP3762770B2 - 波長分割多重化/逆多重化器 - Google Patents
波長分割多重化/逆多重化器 Download PDFInfo
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- JP3762770B2 JP3762770B2 JP2003393411A JP2003393411A JP3762770B2 JP 3762770 B2 JP3762770 B2 JP 3762770B2 JP 2003393411 A JP2003393411 A JP 2003393411A JP 2003393411 A JP2003393411 A JP 2003393411A JP 3762770 B2 JP3762770 B2 JP 3762770B2
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- waveguide
- optical signal
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- input
- array grating
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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
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective 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
- G02B6/12—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
- G02B6/12016—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 input or output waveguides, e.g. tapered waveguide ends, coupled together pairs of output waveguides
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Integrated Circuits (AREA)
Description
413a 第1サブ導波路
413b 第2サブ導波路
Claims (5)
- 多数の光導波路で構成された導波路列格子と、前記導波路列格子に多重化光信号を入力させるための入力導波路と、前記導波路列格子により逆多重化された各チャネルの光信号を出力するための出力導波路と、前記導波路列格子と前記入力導波路との間及び前記導波路列格子と前記出力導波路との間に各々設けられたスラブ導波路と、を所定の基板上に形成した平面光導波路素子からなる波長分割多重化/逆多重化器において、
前記入力導波路は、
光信号の進行方向に沿って徐々に幅が増加し、前記多重化光信号の帯域幅を拡張させる第1サブ導波路と、
前記第1サブ導波路を通過した光信号の進行方向に沿って徐々に幅が減少して前記スラブ導波路に接続し、数式1(式中、W2は第2サブ導波路の幅、λgは光信号の有効波長、z2は第1サブ導波路の端部から光信号の進行方向に測定される距離、Wi2は第1及び第2サブ導波路の接点における第2サブ導波路の幅、γは光信号に対する低次モードと高次モード間の結合係数)により設定される形状からなり、高次モードによるサイドローブを減少させる第2サブ導波路と、を備えることを特徴とする波長分割多重化/逆多重化器。
- 多数の光導波路で構成された導波路列格子と、前記導波路列格子に多重化光信号を入力させるための入力導波路と、前記導波路列格子により逆多重化された各チャネルの光信号を出力するための出力導波路と、前記導波路列格子と前記入力導波路との間及び前記導波路列格子と前記出力導波路との間に各々設けられたスラブ導波路と、を所定の基板上に形成した平面光導波路素子からなる波長分割多重化/逆多重化器において、
前記入力導波路は、
光信号の進行方向に沿って徐々に幅が増加し、前記多重化光信号の帯域幅を拡張させる第1サブ導波路と、
前記第1サブ導波路を通過した光信号の進行方向に沿って徐々に幅が減少して前記スラブ導波路に接続し、数式2(式中、W2は第2サブ導波路の幅、z2は第1サブ導波路の端部から光信号の進行方向に測定される距離、Wi2は第1及び第2サブ導波路の接点における第2サブ導波路の幅、γは光信号に対する低次モードと高次モード間の結合係数)により設定される形状からなり、高次モードによるサイドローブを減少させる第2サブ導波路と、を備えることを特徴とする波長分割多重化/逆多重化器。
- 多数の光導波路で構成された導波路列格子と、前記導波路列格子に多重化光信号を入力させるための入力導波路と、前記導波路列格子により逆多重化された各チャネルの光信号を出力するための出力導波路と、前記導波路列格子と前記入力導波路との間及び前記導波路列格子と前記出力導波路との間に各々設けられたスラブ導波路と、を所定の基板上に形成した平面光導波路素子からなる波長分割多重化/逆多重化器において、
前記入力導波路は、
光信号の進行方向に沿って徐々に幅が増加し、前記多重化光信号の帯域幅を拡張させる第1サブ導波路と、
前記第1サブ導波路を通過した光信号の進行方向に沿って徐々に幅が減少して前記スラブ導波路に接続し、数式3(式中、W2は第2サブ導波路の幅、z2は第1サブ導波路の端部から光信号の進行方向に測定される距離、Wi2は第1及び第2サブ導波路の接点における第2サブ導波路の幅、γは光信号に対する低次モードと高次モード間の結合係数)により設定される形状からなり、高次モードによるサイドローブを減少させる第2サブ導波路と、を備えることを特徴とする波長分割多重化/逆多重化器。
- 第1サブ導波路はパラボリックホーン(parabolic horn)形状である請求項1から3のいずれかに記載の波長分割多重化/逆多重化器。
- 第1及び第2サブ導波路を備えた入力導波路が導波路列格子の両端にそれぞれ設けられ、これら入力導波路と並列に配列して前記導波路列格子の両端に出力導波路が設けられる請求項1から4のいずれか1項に記載の波長分割多重化/逆多重化器。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0073406A KR100446524B1 (ko) | 2002-11-25 | 2002-11-25 | 파장분할 다중화/역다중화기 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004310032A JP2004310032A (ja) | 2004-11-04 |
JP3762770B2 true JP3762770B2 (ja) | 2006-04-05 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003393411A Expired - Fee Related JP3762770B2 (ja) | 2002-11-25 | 2003-11-25 | 波長分割多重化/逆多重化器 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7327912B2 (ja) |
EP (1) | EP1422539A3 (ja) |
JP (1) | JP3762770B2 (ja) |
KR (1) | KR100446524B1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20040049985A (ko) * | 2002-12-06 | 2004-06-14 | 삼성전자주식회사 | 파라볼릭 혼 형태의 도파로를 이용한 파장 분할다중화/역다중화기 |
KR100594040B1 (ko) * | 2004-01-08 | 2006-06-30 | 삼성전자주식회사 | 듀얼 밴드 파장분할 다중화기 |
US8644292B2 (en) * | 2005-08-24 | 2014-02-04 | Qualcomm Incorporated | Varied transmission time intervals for wireless communication system |
JP4456065B2 (ja) * | 2005-12-21 | 2010-04-28 | 日本電信電話株式会社 | アレイ導波路格子回路 |
DE102006028684B4 (de) * | 2006-06-22 | 2010-01-21 | Photeon Technologies Gmbh | Optisches Wellenleiterarray und optischer Wellenlängenmultiplexer/Demultiplexer |
WO2008105371A1 (ja) * | 2007-02-26 | 2008-09-04 | Osram Gesellschaft Mit Beschraenkter Haftung | 電球形蛍光ランプ |
KR101201938B1 (ko) * | 2012-04-25 | 2012-11-16 | 주식회사 피피아이 | 하이브리드형 온도 무의존 어레이도파로회절격자, 및 그 제조 방법 |
CN114706166B (zh) * | 2022-03-31 | 2024-07-12 | 中北大学 | 一种大带宽、高偏振消光比的集成硅基起偏器 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06167623A (ja) * | 1992-11-30 | 1994-06-14 | Hitachi Cable Ltd | フィルタ挿入光導波路および光集積回路 |
GB9425729D0 (en) * | 1994-09-14 | 1995-02-22 | British Telecomm | Otical device |
JPH1031121A (ja) * | 1996-07-16 | 1998-02-03 | Hitachi Ltd | グレ−ティングを用いた導波路型の合分波器 |
US6049644A (en) * | 1997-05-13 | 2000-04-11 | Lucent Technologies Inc. | Optical routing device having a substantially flat passband |
US5889906A (en) | 1997-05-28 | 1999-03-30 | Lucent Technologies Inc. | Signal router with coupling of multiple waveguide modes for provicing a shaped multi-channel radiation pattern |
US6069990A (en) * | 1997-11-27 | 2000-05-30 | Hitachi Cable Ltd. | Optical wavelength multiplexer/demultiplexer |
KR100274804B1 (ko) | 1998-04-22 | 2001-01-15 | 윤종용 | 양방향 광파장 다중화기/분할기 |
JP2001141944A (ja) * | 1999-11-11 | 2001-05-25 | Hitachi Cable Ltd | 光波長合分波器 |
US6289147B1 (en) * | 1999-11-01 | 2001-09-11 | Bbv Design Bv | Passband flattening of a phasar |
KR100342517B1 (ko) * | 2000-10-04 | 2002-06-28 | 윤종용 | 중간단소자를 공유하는 파장교대방식 양방향 애드/드롭다중화기 및 광증폭기 모듈 |
JP3766953B2 (ja) * | 2000-09-13 | 2006-04-19 | 日本電信電話株式会社 | 光回路 |
US6563988B2 (en) | 2001-04-25 | 2003-05-13 | Lightwave Microsystems Corporation | Optical apparatus and method having predetermined group velocity dispersion |
KR100393193B1 (ko) * | 2001-09-29 | 2003-07-31 | 삼성전자주식회사 | 광 도파로와 mems 액추에이터를 구비한 가변 광 감쇠기 |
US6778750B2 (en) * | 2002-06-26 | 2004-08-17 | Intel Corporation | Polarization-insensitive planar lightwave circuits and method for fabricating the same |
-
2002
- 2002-11-25 KR KR10-2002-0073406A patent/KR100446524B1/ko not_active IP Right Cessation
-
2003
- 2003-06-26 US US10/607,466 patent/US7327912B2/en active Active
- 2003-07-14 EP EP03015591A patent/EP1422539A3/en not_active Withdrawn
- 2003-11-25 JP JP2003393411A patent/JP3762770B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1422539A2 (en) | 2004-05-26 |
EP1422539A3 (en) | 2004-09-29 |
KR20040045583A (ko) | 2004-06-02 |
US20040101243A1 (en) | 2004-05-27 |
US7327912B2 (en) | 2008-02-05 |
KR100446524B1 (ko) | 2004-09-04 |
JP2004310032A (ja) | 2004-11-04 |
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