JP2000510602A - 光フィルタ - Google Patents
光フィルタInfo
- Publication number
- JP2000510602A JP2000510602A JP09514803A JP51480397A JP2000510602A JP 2000510602 A JP2000510602 A JP 2000510602A JP 09514803 A JP09514803 A JP 09514803A JP 51480397 A JP51480397 A JP 51480397A JP 2000510602 A JP2000510602 A JP 2000510602A
- Authority
- JP
- Japan
- Prior art keywords
- filter
- waveguide
- grating
- optical
- waveguide region
- 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.)
- Ceased
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 37
- 239000004065 semiconductor Substances 0.000 claims abstract description 13
- 230000010363 phase shift Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 230000001788 irregular Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 9
- 238000010168 coupling process Methods 0.000 description 9
- 238000005859 coupling reaction Methods 0.000 description 9
- 238000000411 transmission spectrum Methods 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 208000012868 Overgrowth Diseases 0.000 description 4
- 238000000609 electron-beam lithography Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910001258 titanium gold Inorganic materials 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000003631 wet chemical etching Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
- H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06258—Controlling the frequency of the radiation with DFB-structure
-
- 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
- G02B2006/12083—Constructional arrangements
- G02B2006/12107—Grating
-
- 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
- G02B2006/12083—Constructional arrangements
- G02B2006/12109—Filter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
- H01S5/062—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes
- H01S5/0625—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium by varying the potential of the electrodes in multi-section lasers
- H01S5/06255—Controlling the frequency of the radiation
- H01S5/06256—Controlling the frequency of the radiation with DBR-structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/1028—Coupling to elements in the cavity, e.g. coupling to waveguides adjacent the active region, e.g. forward coupled [DFC] structures
- H01S5/1032—Coupling to elements comprising an optical axis that is not aligned with the optical axis of the active region
- H01S5/1035—Forward coupled structures [DFC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/1206—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
- H01S5/1209—Sampled grating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/1206—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers having a non constant or multiplicity of periods
- H01S5/1215—Multiplicity of periods
- H01S5/1218—Multiplicity of periods in superstructured configuration, e.g. more than one period in an alternate sequence
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/1225—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers with a varying coupling constant along the optical axis
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/12—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers
- H01S5/124—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region the resonator having a periodic structure, e.g. in distributed feedback [DFB] lasers incorporating phase shifts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/50—Amplifier structures not provided for in groups H01S5/02 - H01S5/30
- H01S5/5045—Amplifier structures not provided for in groups H01S5/02 - H01S5/30 the arrangement having a frequency filtering function
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Semiconductor Lasers (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.半導体光デバイス(101)の導波路領域(104)内に置かれた少くと も2つのグレーテング(102,103)で成る光フィルタであって、各グレー テングは複数のピークの光通過帯域をもち、かつ該グレーテングは導波路領域内 に間隔をあけて存在して、透過櫛形フィルタ特性をもつ光空洞を形成しているフ ィルタ。 2.前記半導体光デバイス(101)は光利得素子を含み、また前記グレーテ ングはこの光利得素子の単一連続能動領域内で間隔をあけて存在している請求項 1記載のフィルタ。 3.前記半導体光デバイスは受動同調可能光素子を含み、また前記グレーテン グ(102,103)はこの光利得素子の単一連続導波路領域内で間隔をあけて 存在している請求項1記載のフィルタ。 4.前記グレーテング(102,103)が超構造グレーテング(SSG)で ある請求項1、2、3のいずれか1項記載のフィルタ。 5.前記グレーテング(102,103)はサンプルしたグレーテングである 請求項1、2、3のいずれか1項記載のフィルタ。 6.前記グレーテングは不規則な、計算機で生成したグレーテングである請求 項1、2、3のいずれか1項記載のフィルタ。 7.前記請求項1ないし6のいずれか1項記載のフィルタの複数が導波路領域 に沿って直列に接続されて成り、フィルタ間の境界には位相不連続が備わってい るフィルタシステム。 8.前記複数のフィルタは導波路の中心領域の周りに対称に配置されており、 この中心領域で導波路間の境界にはπの位相シフトが存在する請求項7記載のフ ィルタシステム。 9.第1の導波路領域(46)と、第1の導波路領域と整列しかつ第1の方向 で該第1の導波路から間をあけている第2の導波路領域(45)と、第2の導波 路領域と関係したグレーテング(450)とから成り、該グレーテング(450 )は該第1の方向と垂直な面内で第2の導波路の幅の周期的変動によって作られ ていることを特徴とするグレーテングで助けられている垂直結合のフィルタ(G A VCF)。 10.前記面内の前記第2の導波路(45)のプロフィルは導波路の長手方向軸 に関して対称である請求項9記載のフィルタ。 11.レーザの光空洞内で、前記請求項1ないし10のいずれか1項記載のフィ ルタ又はフィルタシステムと共働する同調可能な半導体レーザ。 12.前記フィルタ又はフィルタシステムと直列に結合したGAVCFを含む請 求項11記載のレーザ。 13.前記請求項1ないし8のいずれか1項記載のフィルタ又はフィルタシステ ムと直列に結合した請求項9又は10記載のGAVCFを含む請求項11記載の レーザ。 14.グレーテングで助けられている垂直結合のフィルタ(GAVCF)の製造 方法であって、 基板上に第1の導波路領域を形成し、 該第1の導波路領域と整列しかつ第1の方向で該第1の導波路から間をあけて いる第2の導波路領域を形成し、 該第2の導波路領域と関係したグレーテングを形成する段階で成り、このグレ ーテングを形成する段階が第2の導波路の幅を変更し、それによって該第1の方 向と垂直な面内で幅に周期的な変化を与えることを含むことを特徴とする製造方 法。 15.光信号にフィルタをかける方法であって、 半導体光デバイス(101)の導波路領域を通る信号を通過し、 該導波路領域には少くとも2つのグレーテング(102,103)があって、 導波路領域内で間隔をとって存在して、光空洞を形成し、 各グレーテングは複数ピークの光通過帯域を有し、また、光空洞内の光信号に 透過櫛形特性を与えることを特徴とする方法。 16.半導体光デバイス(101)の導波路領域104内に置かれた少くとも2 つのグレーテング(102,103)は、各グレーテングが複数のピーク光通過 帯域をもち、またグレーテングは導波路領域内で間隔をあけて存在し、それによ って櫛形フィルタ特性をもつ光空洞を形成していることを特徴とする光フィルタ 。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95307107.3 | 1995-10-06 | ||
EP95307107 | 1995-10-06 | ||
PCT/GB1996/002424 WO1997014201A1 (en) | 1995-10-06 | 1996-10-03 | Optical filters |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000510602A true JP2000510602A (ja) | 2000-08-15 |
Family
ID=8221354
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP09514803A Ceased JP2000510602A (ja) | 1995-10-06 | 1996-10-03 | 光フィルタ |
Country Status (5)
Country | Link |
---|---|
US (1) | US5699378A (ja) |
EP (1) | EP0853831B1 (ja) |
JP (1) | JP2000510602A (ja) |
DE (1) | DE69612104T2 (ja) |
WO (1) | WO1997014201A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003017803A (ja) * | 2001-07-04 | 2003-01-17 | Mitsubishi Electric Corp | 波長可変半導体レーザおよび光モジュール |
JP2004128372A (ja) * | 2002-10-07 | 2004-04-22 | Furukawa Electric Co Ltd:The | 分布帰還型半導体レーザ素子 |
JPWO2003098292A1 (ja) * | 2002-05-22 | 2005-09-15 | 昭和電線電纜株式会社 | 信号遮断デバイス、光コネクタおよび光ファイバ型カプラ |
JP2005303077A (ja) * | 2004-04-13 | 2005-10-27 | Fujitsu Ltd | 波長可変レーザ装置 |
JP2005327881A (ja) * | 2004-05-13 | 2005-11-24 | Nippon Telegr & Teleph Corp <Ntt> | 波長可変半導体レーザ |
JP2007048988A (ja) * | 2005-08-11 | 2007-02-22 | Eudyna Devices Inc | 半導体レーザ、レーザモジュール、光学部品、レーザ装置、半導体レーザの製造方法および半導体レーザの制御方法 |
US8452193B2 (en) | 2008-12-26 | 2013-05-28 | Fujitsu Limited | Optical receiver |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
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US6198863B1 (en) * | 1995-10-06 | 2001-03-06 | British Telecommunications Public Limited Company | Optical filters |
KR100211064B1 (ko) * | 1996-12-04 | 1999-07-15 | 정선종 | 비선형 박막을 갖는 광도파로 |
FR2775355B1 (fr) * | 1998-02-26 | 2000-03-31 | Alsthom Cge Alcatel | Reflecteur optique en semi-conducteur et procede de fabrication |
GB9809583D0 (en) * | 1998-05-06 | 1998-07-01 | Marconi Gec Ltd | Optical devices |
AUPQ300199A0 (en) * | 1999-09-21 | 1999-10-14 | University Of Sydney, The | A grating design |
US6205270B1 (en) | 1999-09-23 | 2001-03-20 | Avanex Corporation | Dense wavelength division multiplexer which includes a dense optical channel comb filter |
US7310363B1 (en) * | 1999-09-28 | 2007-12-18 | The Regents Of The University Of California | Integrated wavelength tunable single and two-stage all-optical wavelength converter |
CN1435018A (zh) * | 1999-12-17 | 2003-08-06 | 康宁O.T.I股份公司 | 锁定光信号波长的方法和装置 |
US6714699B1 (en) | 2000-10-19 | 2004-03-30 | Avanex Corporation | Multi-wavelength non-laser light source |
SE0100611L (sv) * | 2001-02-22 | 2002-08-23 | Altitun Ab | Förfarande för att förlustkompensera ett avstämbart filter för en laser, jämte ett dylikt filter |
FR2821495B1 (fr) * | 2001-02-23 | 2004-08-27 | Cit Alcatel | Laser accordable de facon rapide et large |
US6633716B2 (en) * | 2001-05-02 | 2003-10-14 | Motorola, Inc. | Optical device and method therefor |
WO2003010596A1 (fr) * | 2001-07-26 | 2003-02-06 | Japan Science And Technology Agency | Generateur com de frequence optique |
US7653093B2 (en) * | 2001-09-10 | 2010-01-26 | Imec | Widely tunable twin guide laser structure |
US6763165B1 (en) * | 2002-01-15 | 2004-07-13 | Adc Telecommunications, Inc. | Grating assisted coupler with controlled start |
KR100418262B1 (ko) * | 2002-05-14 | 2004-02-14 | 한국전자통신연구원 | 다중 모드 간섭형 결합기, 이를 이용한 다층 평면형광도파로 및 그 제조 방법 |
CA2489319A1 (en) * | 2002-07-25 | 2004-02-05 | Showa Electric Wire & Cable Co., Ltd. | Optical filter |
US20040071181A1 (en) * | 2002-10-15 | 2004-04-15 | Rong Huang | Retro-reflective etalon and the devices using the same |
FR2848679B1 (fr) * | 2002-12-16 | 2005-04-08 | Teem Photonics | Composant de filtrage en optique integree comprenant une gaine optique ainsi que son procede de realisation |
US7835408B2 (en) * | 2005-12-07 | 2010-11-16 | Innolume Gmbh | Optical transmission system |
EP2371044B1 (en) * | 2008-12-03 | 2019-08-28 | Innolume GmbH | Semiconductor laser with low relative intensity noise of individual longitudinal modes and optical transmission system incorporating the laser |
US8908261B2 (en) * | 2011-01-26 | 2014-12-09 | Massachusetts Institute Of Technology | Device and method for luminescence enhancement by resonant energy transfer from an absorptive thin film |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6454790A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Ind Co Ltd | Distributed feedback type semiconductor laser |
JP2819557B2 (ja) * | 1988-03-18 | 1998-10-30 | 富士通株式会社 | 半導体発光装置 |
US5305335A (en) * | 1989-12-26 | 1994-04-19 | United Technologies Corporation | Single longitudinal mode pumped optical waveguide laser arrangement |
US5317576A (en) * | 1989-12-26 | 1994-05-31 | United Technologies Corporation | Continously tunable single-mode rare-earth doped pumped laser arrangement |
US5077816A (en) * | 1989-12-26 | 1991-12-31 | United Technologies Corporation | Fiber embedded grating frequency standard optical communication devices |
US5170290A (en) * | 1990-05-10 | 1992-12-08 | The United States Of America As Represented By The Secretary Of The Air Force | Comb optical interference filter |
US5225930A (en) * | 1990-05-10 | 1993-07-06 | The United States Of America As Represented By The Secretary Of The Air Force | Comb optical interference filter |
GB2254183B (en) * | 1991-03-27 | 1995-01-18 | Marconi Gec Ltd | An amplifier/filter combination |
NL9200328A (nl) * | 1992-02-21 | 1993-09-16 | Nederland Ptt | Optische schakelcomponent. |
US5325392A (en) * | 1992-03-06 | 1994-06-28 | Nippon Telegraph And Telephone Corporation | Distributed reflector and wavelength-tunable semiconductor laser |
US5237576A (en) * | 1992-05-05 | 1993-08-17 | At&T Bell Laboratories | Article comprising an optical fiber laser |
CA2101411C (en) * | 1992-08-14 | 2003-06-10 | Jean-Pierre Weber | Tunable optical filter |
US5434876A (en) * | 1992-10-23 | 1995-07-18 | At&T Bell Laboratories | Article comprising an optical waveguide laser |
US5323404A (en) * | 1993-11-02 | 1994-06-21 | At&T Bell Laboratories | Optical fiber laser or amplifier including high reflectivity gratings |
FR2720198B1 (fr) * | 1994-05-20 | 1996-07-19 | France Telecom | Laser à fibre optique polarisé linéairement. |
US5600665A (en) * | 1995-07-28 | 1997-02-04 | Hughes Aircraft Company | Multiple output fiber laser with passive frequency control and method |
-
1996
- 1996-04-29 US US08/638,757 patent/US5699378A/en not_active Expired - Lifetime
- 1996-10-03 EP EP96932710A patent/EP0853831B1/en not_active Expired - Lifetime
- 1996-10-03 WO PCT/GB1996/002424 patent/WO1997014201A1/en active IP Right Grant
- 1996-10-03 DE DE69612104T patent/DE69612104T2/de not_active Expired - Fee Related
- 1996-10-03 JP JP09514803A patent/JP2000510602A/ja not_active Ceased
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JP2003017803A (ja) * | 2001-07-04 | 2003-01-17 | Mitsubishi Electric Corp | 波長可変半導体レーザおよび光モジュール |
JPWO2003098292A1 (ja) * | 2002-05-22 | 2005-09-15 | 昭和電線電纜株式会社 | 信号遮断デバイス、光コネクタおよび光ファイバ型カプラ |
JP2004128372A (ja) * | 2002-10-07 | 2004-04-22 | Furukawa Electric Co Ltd:The | 分布帰還型半導体レーザ素子 |
JP4615184B2 (ja) * | 2002-10-07 | 2011-01-19 | 古河電気工業株式会社 | 分布帰還型半導体レーザ素子 |
JP2005303077A (ja) * | 2004-04-13 | 2005-10-27 | Fujitsu Ltd | 波長可変レーザ装置 |
JP2005327881A (ja) * | 2004-05-13 | 2005-11-24 | Nippon Telegr & Teleph Corp <Ntt> | 波長可変半導体レーザ |
JP4648647B2 (ja) * | 2004-05-13 | 2011-03-09 | 日本電信電話株式会社 | 波長可変半導体レーザ |
JP2007048988A (ja) * | 2005-08-11 | 2007-02-22 | Eudyna Devices Inc | 半導体レーザ、レーザモジュール、光学部品、レーザ装置、半導体レーザの製造方法および半導体レーザの制御方法 |
JP4657853B2 (ja) * | 2005-08-11 | 2011-03-23 | 住友電工デバイス・イノベーション株式会社 | 半導体レーザ、レーザモジュール、光学部品、レーザ装置、半導体レーザの製造方法および半導体レーザの制御方法 |
US8588266B2 (en) | 2005-08-11 | 2013-11-19 | Eudyna Devices Inc. | Wavelength tunable semiconductor laser having two difractive grating areas |
US8452193B2 (en) | 2008-12-26 | 2013-05-28 | Fujitsu Limited | Optical receiver |
Also Published As
Publication number | Publication date |
---|---|
US5699378A (en) | 1997-12-16 |
EP0853831A1 (en) | 1998-07-22 |
EP0853831B1 (en) | 2001-03-14 |
WO1997014201A1 (en) | 1997-04-17 |
DE69612104T2 (de) | 2001-09-20 |
DE69612104D1 (de) | 2001-04-19 |
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