DE69816662D1 - Schmalband-sperrfilter im lichtwellenleiter - Google Patents
Schmalband-sperrfilter im lichtwellenleiterInfo
- Publication number
- DE69816662D1 DE69816662D1 DE69816662T DE69816662T DE69816662D1 DE 69816662 D1 DE69816662 D1 DE 69816662D1 DE 69816662 T DE69816662 T DE 69816662T DE 69816662 T DE69816662 T DE 69816662T DE 69816662 D1 DE69816662 D1 DE 69816662D1
- Authority
- DE
- Germany
- Prior art keywords
- focus
- narrow
- blocking filters
- band blocking
- band
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03638—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only
- G02B6/03644—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 3 layers only arranged - + -
-
- 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
- G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
- G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
- G02B6/02114—Refractive index modulation gratings, e.g. Bragg gratings characterised by enhanced photosensitivity characteristics of the fibre, e.g. hydrogen loading, heat treatment
- G02B6/02119—Photosensitivity profiles determining the grating structure, e.g. radial or longitudinal
-
- 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
- G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
- G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
- G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
- G02B6/03633—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - -
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
- Diffracting Gratings Or Hologram Optical Elements (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US975843 | 1997-11-21 | ||
US08/975,843 US6005999A (en) | 1997-11-21 | 1997-11-21 | Waveguide narrowband rejection filter |
PCT/US1998/001920 WO1999027401A1 (en) | 1997-11-21 | 1998-02-06 | Optical waveguide narrowband rejection filter |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69816662D1 true DE69816662D1 (de) | 2003-08-28 |
DE69816662T2 DE69816662T2 (de) | 2004-04-15 |
Family
ID=25523475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69816662T Expired - Fee Related DE69816662T2 (de) | 1997-11-21 | 1998-02-06 | Schmalband-sperrfilter im lichtwellenleiter |
Country Status (9)
Country | Link |
---|---|
US (1) | US6005999A (de) |
EP (1) | EP1042694B1 (de) |
JP (1) | JP2001524689A (de) |
KR (1) | KR20010032313A (de) |
CN (1) | CN1161629C (de) |
AU (1) | AU742443B2 (de) |
DE (1) | DE69816662T2 (de) |
TW (1) | TW408238B (de) |
WO (1) | WO1999027401A1 (de) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3725319B2 (ja) * | 1998-01-28 | 2005-12-07 | 昭和電線電纜株式会社 | グレーティング形成用フォトセンシティブファイバの製造方法 |
AUPP218198A0 (en) * | 1998-03-04 | 1998-03-26 | University Of Sydney, The | Ultra-broadband low-noise gain-flattened rare-earth-doped fibre amplifier |
FR2779238B1 (fr) | 1998-06-02 | 2003-06-27 | Alsthom Cge Alkatel | Fibre optique filtrante a profil de photosensibilite modifie |
FR2779239B1 (fr) | 1998-06-02 | 2003-06-27 | Alsthom Cge Alkatel | Fibre optique filtrante courte |
JP2000266945A (ja) * | 1999-01-25 | 2000-09-29 | Alcatel | 傾斜および線形チャープを有するフィルタ光導波路 |
US6351588B1 (en) * | 1999-09-17 | 2002-02-26 | Vikram Bhatia | Fiber Bragg grating with cladding mode suppression |
DE10010676B4 (de) * | 2000-03-04 | 2011-01-13 | Thorlabs Gmbh | Verfahren zur Erzeugung eines optischen Bandpaßfilters |
US6832023B1 (en) * | 2000-05-19 | 2004-12-14 | Georgia Tech Research Corporation | Optical fiber gratings with azimuthal refractive index perturbation, method of fabrication, and devices for tuning, attenuating, switching, and modulating optical signals |
US6400865B1 (en) * | 2000-05-31 | 2002-06-04 | Fitel Usa Corp. | Article comprising a Bragg grating in a few-moded optical waveguide |
US6427041B1 (en) * | 2000-05-31 | 2002-07-30 | Fitel Usa Corp. | Article comprising a tilted grating in a single mode waveguide |
US6603909B2 (en) * | 2000-11-21 | 2003-08-05 | 3M Innovative Properties Company | Laser pigtail fiber with inherent attenuation characteristic |
DE60107666T2 (de) * | 2001-06-11 | 2005-10-06 | Avanex Corp., Fremont | Ein optischer Wellenleiter und Herstellungsverfahren für eine asymmetrische optische Filtervorrichtung |
US6766080B2 (en) * | 2001-07-10 | 2004-07-20 | Sumitomo Electric Industries, Ltd. | Optical waveguide type defraction grating device and a method of manufacturing thereof |
CA2396650C (en) * | 2001-08-31 | 2010-05-04 | Fujikura Ltd. | Fiber type optical component |
EP1333299B1 (de) * | 2002-02-05 | 2010-06-09 | Fujikura Ltd. | Optische Faser und geneigtes Fasergitter |
US6970631B2 (en) | 2002-06-05 | 2005-11-29 | Lightwave Electronics | Suppression of cladding mode loss in fiber amplifiers with distributed suppression of amplified spontaneous emission (ASE) |
FR2839158A1 (fr) * | 2002-04-29 | 2003-10-31 | Cit Alcatel | Filtre complexe apodise |
EP1500959A4 (de) * | 2002-04-30 | 2005-09-07 | Sumitomo Electric Industries | Optische faser und fasergitterfilter damit |
US6947652B2 (en) * | 2002-06-14 | 2005-09-20 | 3M Innovative Properties Company | Dual-band bend tolerant optical waveguide |
FR2841994B1 (fr) * | 2002-07-08 | 2004-09-24 | Cit Alcatel | Filtre optique |
TW200404172A (en) * | 2002-08-22 | 2004-03-16 | Showa Electric Wire & Cable Co | Pseudo slant fiber Bragg grating, multiple series fiber Bragg grating, optical fiber type coupler and optical connector |
US7689087B2 (en) * | 2003-03-21 | 2010-03-30 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry, Through The Communications Research Centre Canada | Method of changing the birefringence of an optical waveguide by laser modification of the cladding |
US7031571B2 (en) | 2003-03-21 | 2006-04-18 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry Through The Communications Research Centre Canada | Bragg grating and method of producing a Bragg grating using an ultrafast laser |
FR2863057B1 (fr) * | 2003-12-02 | 2006-03-24 | Cit Alcatel | Guide optique photosensible |
US7130515B2 (en) * | 2004-08-31 | 2006-10-31 | 3M Innovative Properties Company | Triple-band bend tolerant optical waveguide |
US7283695B2 (en) * | 2004-08-31 | 2007-10-16 | Georgia Tech Research Corporation | Optical interconnects in microelectronics based on azimuthally asymmetric long-period fiber grating couplers |
US7130516B2 (en) * | 2004-08-31 | 2006-10-31 | 3M Innovative Properties Company | Triple-band bend tolerant optical waveguide |
JP4712648B2 (ja) * | 2006-08-31 | 2011-06-29 | 古河電気工業株式会社 | ファイバ・ブラッグ・グレーティング素子およびファイバアダプタ |
US8272236B2 (en) | 2008-06-18 | 2012-09-25 | Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of Industry, Through The Communications Research Centre Canada | High temperature stable fiber grating sensor and method for producing same |
US20100158438A1 (en) | 2008-12-18 | 2010-06-24 | Chiral Photonics, Inc. | Fiber Optic Diffraction Grating |
CN101655578B (zh) * | 2009-09-08 | 2011-04-06 | 华中科技大学 | 降低光纤法布里-珀罗滤波器插入损耗的方法 |
WO2017073670A1 (ja) * | 2015-10-27 | 2017-05-04 | 住友電気工業株式会社 | 光ファイバおよびそれを含むスラント型ファイバグレーティング |
CA2971601C (en) * | 2017-01-27 | 2022-06-21 | Teraxion Inc. | Optical fiber filter of wideband deleterious light and uses thereof |
WO2020090450A1 (ja) * | 2018-10-29 | 2020-05-07 | 住友電気工業株式会社 | スラント型ファイバグレーティング |
CN113189696A (zh) | 2020-01-14 | 2021-07-30 | 华为技术有限公司 | 一种光纤滤波器以及光纤放大器 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5042897A (en) * | 1989-12-26 | 1991-08-27 | United Technologies Corporation | Optical waveguide embedded light redirecting Bragg grating arrangement |
US5475780A (en) * | 1993-06-17 | 1995-12-12 | At&T Corp. | Optical waveguiding component comprising a band-pass filter |
JPH11511568A (ja) * | 1995-08-29 | 1999-10-05 | アロヨ・オプティクス・インコーポレイテッド | 波長選択回折格子利用型光学カプラ |
US5703978A (en) * | 1995-10-04 | 1997-12-30 | Lucent Technologies Inc. | Temperature insensitive long-period fiber grating devices |
US5764829A (en) * | 1996-02-26 | 1998-06-09 | Lucent Technologies Inc. | Optical signal shaping device for complex spectral shaping applications |
US5740292A (en) * | 1996-09-12 | 1998-04-14 | Lucent Technologies Inc. | Mode coupling optical waveguide grating |
-
1997
- 1997-11-21 US US08/975,843 patent/US6005999A/en not_active Expired - Lifetime
-
1998
- 1998-02-06 CN CNB98811321XA patent/CN1161629C/zh not_active Expired - Fee Related
- 1998-02-06 EP EP98903884A patent/EP1042694B1/de not_active Expired - Lifetime
- 1998-02-06 DE DE69816662T patent/DE69816662T2/de not_active Expired - Fee Related
- 1998-02-06 AU AU60531/98A patent/AU742443B2/en not_active Ceased
- 1998-02-06 KR KR1020007005523A patent/KR20010032313A/ko not_active Application Discontinuation
- 1998-02-06 WO PCT/US1998/001920 patent/WO1999027401A1/en active IP Right Grant
- 1998-02-06 JP JP2000522481A patent/JP2001524689A/ja active Pending
- 1998-11-04 TW TW087118314A patent/TW408238B/zh not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
AU6053198A (en) | 1999-06-15 |
JP2001524689A (ja) | 2001-12-04 |
EP1042694B1 (de) | 2003-07-23 |
EP1042694A1 (de) | 2000-10-11 |
TW408238B (en) | 2000-10-11 |
DE69816662T2 (de) | 2004-04-15 |
CN1161629C (zh) | 2004-08-11 |
AU742443B2 (en) | 2002-01-03 |
WO1999027401A1 (en) | 1999-06-03 |
US6005999A (en) | 1999-12-21 |
KR20010032313A (ko) | 2001-04-16 |
CN1279770A (zh) | 2001-01-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |