KR20040084670A - 크로스오버 손실이 감소된 광 도파 장치 - Google Patents
크로스오버 손실이 감소된 광 도파 장치 Download PDFInfo
- Publication number
- KR20040084670A KR20040084670A KR1020040018940A KR20040018940A KR20040084670A KR 20040084670 A KR20040084670 A KR 20040084670A KR 1020040018940 A KR1020040018940 A KR 1020040018940A KR 20040018940 A KR20040018940 A KR 20040018940A KR 20040084670 A KR20040084670 A KR 20040084670A
- Authority
- KR
- South Korea
- Prior art keywords
- waveguides
- waveguide
- optical
- intersection
- crossover
- Prior art date
Links
Classifications
-
- 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
- G02B6/124—Geodesic lenses or integrated gratings
-
- 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
- G02B6/02—Optical fibres with cladding with or without a coating
-
- 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
- G02B6/125—Bends, branchings or intersections
-
- 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
- G02B2006/12166—Manufacturing methods
- G02B2006/12195—Tapering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (10)
- 복수의 광 도파관들을 포함하는 광소자에 있어서,각 도파관은 빛을 가이드하는 길이 방향으로 연장하는 코어 영역을 포함하며,상기 소자는 적어도 하나의 교차 영역을 더 포함하며, 여기서 적어도 제 1 및 제 2 도파관들이 교차하며,상기 교차 영역들에서 상기 제 1 및 제 2 도파관들은 각각의 분할된 코어 영역들을 포함하며, 상기 코어 영역들은 적어도 하나의 공통 교차 세그먼트로 통합되는, 광소자.
- 제 1 항에 있어서, 통합되지 않은(in the absence of merger) 각 분할된 코어 영역은 4-8㎛ 범위의 길이 방향의 크기를 갖는, 광소자.
- 제 1 항에 있어서, 통합되지 않은 상기 분할된 코어 영역들은 1.2 내지 1.4㎛ 범위의 길이 방향의 크기를 갖는 갭만큼 이격되는, 광소자.
- 제 1 항에 있어서, 상기 제 1 및 제 2 도파관들 각각은 상기 교차 영역으로부터 분리된 한 쌍의 연속적인 섹션들을 포함하는, 광소자.
- 제 4 항에 있어서, 각 연속적인 섹션은 교차 영역을 향해 폭이 연속적으로 테이퍼진 부분을 포함하는, 광소자.
- 제 4 항에 있어서, 연속적인 테이퍼링(continuous tapering)은 단열적인 테이퍼링(adiabatic tapering)인, 광소자.
- 제 4 항에 있어서, 각 도파관에 대하여 상기 분할된 섹션은 연속적인 섹션들에서 횡방향으로 오프셋되는, 광소자.
- 제 1 항에 있어서, 통합되지 않은 상기 분할된 섹션은 상기 교차 영역에 걸쳐서 3 내지 5개의 세그먼트들을 포함하는, 광소자.
- 제 1 항에 있어서, 상기 제 1 및 제 2 도파관들 사이의 교각은 3 내지 35°범위인, 광소자.
- 제 1 항에 있어서, 상기 제 1 및 제 2 도파관들 각각은 2 내지 6 범위의 인덱스 콘트라스트(index contrast)를 갖는, 광소자.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/400,840 | 2003-03-27 | ||
US10/400,840 US6934446B2 (en) | 2003-03-27 | 2003-03-27 | Optical waveguiding apparatus having reduced crossover losses |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040084670A true KR20040084670A (ko) | 2004-10-06 |
KR101019375B1 KR101019375B1 (ko) | 2011-03-07 |
Family
ID=32824999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040018940A KR101019375B1 (ko) | 2003-03-27 | 2004-03-19 | 크로스오버 손실이 감소된 광 도파 장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US6934446B2 (ko) |
EP (1) | EP1462830B1 (ko) |
JP (2) | JP2004295128A (ko) |
KR (1) | KR101019375B1 (ko) |
CN (1) | CN100575994C (ko) |
AT (1) | ATE305617T1 (ko) |
DE (1) | DE602004000098T2 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10253438B4 (de) * | 2002-11-12 | 2008-09-18 | Finisar Corp., Sunnyvale | Wellenleiterkreuzung |
US6934446B2 (en) * | 2003-03-27 | 2005-08-23 | Lucent Technologies Inc. | Optical waveguiding apparatus having reduced crossover losses |
US9164239B2 (en) * | 2006-03-15 | 2015-10-20 | Alcatel Lucent | Method and apparatus for optically filtering a communication signal |
US8055141B2 (en) * | 2007-12-17 | 2011-11-08 | Alcatel Lucent | Balanced optical signal processor |
JP5376544B2 (ja) * | 2008-09-04 | 2013-12-25 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー. | 損失を低減された誘電性導波路交差構造(waveguideintersection) |
EP2367034A1 (en) | 2010-03-16 | 2011-09-21 | Telefonaktiebolaget L M Ericsson (Publ) | Planar waveguide circuit comprising a 90 degree optical hybrid and optical receiver |
KR101063957B1 (ko) * | 2010-11-02 | 2011-09-08 | 주식회사 피피아이 | 폴리머 삽입형 실리카 광도파로를 이용하는 전반사형 광 스위치 및 그의 제조 방법 |
US9297951B2 (en) | 2012-02-27 | 2016-03-29 | Sumitomo Bakelite Co., Ltd. | Optical waveguide, optical wiring component, optical waveguide module and electronic device |
US20150168650A1 (en) * | 2012-06-13 | 2015-06-18 | Siphx Corporation | Thin film filter (tff) embedded waveguide wdm device employing parabola-shaped waveguides |
US9360622B2 (en) * | 2014-01-27 | 2016-06-07 | Huawei Technologies Co., Ltd. | Low loss optical crossing and method of making same |
CN103777273B (zh) * | 2014-02-12 | 2016-02-17 | 华中科技大学 | 一种波导交叉单元及其制作方法 |
US9817185B2 (en) * | 2016-01-21 | 2017-11-14 | The Governing Council Of The University Of Toronto | Photonic platform having light-transferring interlayer transitions |
US9671560B1 (en) | 2016-03-18 | 2017-06-06 | Lumentum Operations Llc | Angled periodic segmented waveguide for spot size conversion with reduced return loss |
CN107632340A (zh) * | 2016-07-19 | 2018-01-26 | 中兴通讯股份有限公司 | 一种光波导交叉单元 |
CN110325900B (zh) * | 2016-12-02 | 2023-11-17 | 洛克利光子有限公司 | 波导光电器件 |
JP2018116115A (ja) * | 2017-01-17 | 2018-07-26 | 古河電気工業株式会社 | 交差光導波路構造及び光導波路素子 |
US10330863B2 (en) | 2017-04-18 | 2019-06-25 | Neophotonics Corporation | Planar lightwave circuit optical splitter / mixer |
US11022825B2 (en) * | 2018-09-03 | 2021-06-01 | Ciena Corporation | Silicon photonics modulator using TM mode and with a modified rib geometry |
US11067749B2 (en) * | 2019-11-21 | 2021-07-20 | Globalfoundries U.S. Inc. | Waveguides with cladding layers of gradated refractive index |
CN112241042B (zh) * | 2020-11-10 | 2023-08-15 | 桂林电子科技大学 | 一种低串扰的相交聚合物微纳光纤 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4961619A (en) | 1989-03-02 | 1990-10-09 | At&T Bell Laboratories | Low loss waveguide intersection |
US4998793A (en) * | 1989-11-14 | 1991-03-12 | At&T Bell Laboratories | Adiabatic polarization manipulating device |
JP2894735B2 (ja) | 1989-08-30 | 1999-05-24 | 日本電気株式会社 | 光回路 |
NL9200328A (nl) | 1992-02-21 | 1993-09-16 | Nederland Ptt | Optische schakelcomponent. |
US5581642A (en) * | 1994-09-09 | 1996-12-03 | Deacon Research | Optical frequency channel selection filter with electronically-controlled grating structures |
US5577141A (en) * | 1995-03-10 | 1996-11-19 | Lucent Technologies Inc. | Two-dimensional segmentation mode tapering for integrated optic waveguides |
JPH09265018A (ja) * | 1996-03-27 | 1997-10-07 | Nec Corp | 分岐合波光導波路回路 |
US5894535A (en) * | 1997-05-07 | 1999-04-13 | Hewlett-Packard Company | Optical waveguide device for wavelength demultiplexing and waveguide crossing |
KR19990038490A (ko) * | 1997-11-05 | 1999-06-05 | 윤종용 | 광파워 분할기 및 그 제작방법 |
US6198860B1 (en) | 1998-09-22 | 2001-03-06 | Massachusetts Institute Of Technology | Optical waveguide crossings |
DE60127146T2 (de) * | 2000-09-18 | 2007-11-22 | Ngk Insulators, Ltd., Nagoya | Optische vorrichtung |
US6934446B2 (en) * | 2003-03-27 | 2005-08-23 | Lucent Technologies Inc. | Optical waveguiding apparatus having reduced crossover losses |
-
2003
- 2003-03-27 US US10/400,840 patent/US6934446B2/en not_active Expired - Lifetime
-
2004
- 2004-02-20 AT AT04250916T patent/ATE305617T1/de not_active IP Right Cessation
- 2004-02-20 EP EP04250916A patent/EP1462830B1/en not_active Expired - Lifetime
- 2004-02-20 DE DE602004000098T patent/DE602004000098T2/de not_active Expired - Lifetime
- 2004-03-19 KR KR1020040018940A patent/KR101019375B1/ko active IP Right Grant
- 2004-03-25 CN CN200410030493A patent/CN100575994C/zh not_active Expired - Fee Related
- 2004-03-26 JP JP2004091222A patent/JP2004295128A/ja not_active Withdrawn
-
2010
- 2010-09-15 JP JP2010206194A patent/JP5250595B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6934446B2 (en) | 2005-08-23 |
DE602004000098T2 (de) | 2007-11-15 |
CN100575994C (zh) | 2009-12-30 |
JP5250595B2 (ja) | 2013-07-31 |
CN1534320A (zh) | 2004-10-06 |
KR101019375B1 (ko) | 2011-03-07 |
JP2010277113A (ja) | 2010-12-09 |
US20040190830A1 (en) | 2004-09-30 |
EP1462830B1 (en) | 2005-09-28 |
JP2004295128A (ja) | 2004-10-21 |
ATE305617T1 (de) | 2005-10-15 |
DE602004000098D1 (de) | 2005-11-03 |
EP1462830A1 (en) | 2004-09-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5250595B2 (ja) | 交差損失を減少させた光導波装置 | |
JP4749724B2 (ja) | 光ファイバとプレーナ光導波路とを高密度に結合する方法及び装置 | |
JP4398275B2 (ja) | 光制御素子 | |
US7609931B2 (en) | Planar waveguide structure with tightly curved waveguides | |
EP3314321B1 (en) | A multi-mode interference coupler | |
JP2545149B2 (ja) | 光交差デバイス | |
US9217827B2 (en) | Optical waveguide arrangements comprising an auxiliary waveguide-like structure | |
WO2003100490A1 (en) | Method and apparatus for optical mode division multiplexing and demultiplexing | |
US20040126052A1 (en) | Optical waveguide circuit | |
CN115390189A (zh) | 一种基于伴随法的平面光交叉波导 | |
JP3795821B2 (ja) | 光分岐器 | |
US5590226A (en) | Integrated optical branching arrangement and method using same | |
WO2018135429A1 (ja) | 交差光導波路構造及び光導波路素子 | |
US7609918B2 (en) | Method and apparatus for optical mode division multiplexing and demultiplexing | |
KR100429567B1 (ko) | 광세기 분할기 | |
US6999645B2 (en) | Waveguide crossing | |
GB2369449A (en) | Optical waveguide device with tapered branches | |
US7532793B2 (en) | Segmented waveguide coupler | |
JP3737780B2 (ja) | 波長合分波装置 | |
Przyrembel et al. | Waveguide crossings with low crosstalk at small angles | |
JP2004240064A (ja) | スポットサイズ変換光導波路、光モジュールおよび導波路型光回路 | |
JP2023040871A (ja) | 光導波路素子および光集積回路 | |
JP2004138785A (ja) | 光合分波回路 | |
JP2009251176A (ja) | 光信号処理回路 | |
GB2360098A (en) | Optical waveguide array device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20140214 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20150217 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20160212 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170217 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20180219 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20190129 Year of fee payment: 9 |