JP2000504152A - 半導体レーザ - Google Patents
半導体レーザInfo
- Publication number
- JP2000504152A JP2000504152A JP9526680A JP52668097A JP2000504152A JP 2000504152 A JP2000504152 A JP 2000504152A JP 9526680 A JP9526680 A JP 9526680A JP 52668097 A JP52668097 A JP 52668097A JP 2000504152 A JP2000504152 A JP 2000504152A
- Authority
- JP
- Japan
- Prior art keywords
- laser
- waveguide
- order
- semiconductor laser
- layer
- 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
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
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/30—Optical coupling means for use between fibre and thin-film device
- G02B6/305—Optical coupling means for use between fibre and thin-film device and having an integrated mode-size expanding section, e.g. tapered waveguide
-
- 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
-
- 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
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
-
- 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
- H01S5/1003—Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
- H01S5/1014—Tapered waveguide, e.g. spotsize converter
-
- 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
- H01S5/1053—Comprising an active region having a varying composition or cross-section in a specific direction
- H01S5/1064—Comprising an active region having a varying composition or cross-section in a specific direction varying width along the optical axis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Optical Integrated Circuits (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 追加的な多層導波路構造と積み重ねられた関係にされた活性多重量子井戸 導波路層構造が形成された光レーザ空洞を有する半導体レーザであって、 上記追加的な多層導波路構造はレーザ光学空洞の端まで延在し、一方多重量子 井戸導波路構造は上記の端よりも短い所定の距離で急に終端し、 該所定の距離を超えると、上記追加的な多層導波路構造は少なくともゼロ次、 1次及び2次のモードを有する偶数及び奇数の次数のモードを持つ多層結合導波 路構造であり、 追加的な多層導波路構造の層の相対的な厚さ及び間隔は、該所定の距離を超え 、レーザが放出する周波数において、また偶数の次数のモードの夫々に対しては 、その偶数の次数のモードと他の偶数の次数のモードとの間に略2π、又はその 整数倍の位相ずれがあり、奇数の次数のモードに対しては、その奇数の次数のモ ードと任意の偶数の次数のモードとの間に略π、又はその奇数倍の位相ずれがあ る、半導体レーザ。 2. 該所定の距離を超え、レーザが放出する周波数では、上記位相ずれは隣接 する次数のモードの間ではπに等しい、請求項1記載の半導体レーザ。 3. 上記追加的な多層導波路構造は夫々両面でより低い屈折率の材料によって 結合される3つの材料層からなる、請求項1又は2記載の半導体レーザ。 4. 上記追加的な多層導波路構造は夫々両面でより低い屈折率の材料によって 結合される4つの材料層からなる、請求項1又は2記 載の半導体レーザ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9601703.3 | 1996-01-27 | ||
GB9601703A GB2309581B (en) | 1996-01-27 | 1996-01-27 | Semiconductor lasers |
PCT/GB1997/000225 WO1997027651A1 (en) | 1996-01-27 | 1997-01-24 | Semiconductor lasers |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2000504152A true JP2000504152A (ja) | 2000-04-04 |
Family
ID=10787708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9526680A Ceased JP2000504152A (ja) | 1996-01-27 | 1997-01-24 | 半導体レーザ |
Country Status (6)
Country | Link |
---|---|
US (1) | US6058125A (ja) |
EP (1) | EP0876696B1 (ja) |
JP (1) | JP2000504152A (ja) |
DE (1) | DE69700830T2 (ja) |
GB (1) | GB2309581B (ja) |
WO (1) | WO1997027651A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2326020B (en) | 1997-06-06 | 2002-05-15 | Ericsson Telefon Ab L M | Waveguide |
DE60028366T2 (de) | 2000-07-11 | 2006-10-12 | Corning Incorporated | Optischer Verstärker mit verstellbarer stabilisierter Verstärkung |
US6672773B1 (en) | 2000-12-29 | 2004-01-06 | Amkor Technology, Inc. | Optical fiber having tapered end and optical connector with reciprocal opening |
JP4066681B2 (ja) * | 2001-03-21 | 2008-03-26 | 日亜化学工業株式会社 | 発光素子及び発光素子の製造方法 |
EP1282208A1 (en) * | 2001-07-30 | 2003-02-05 | Agilent Technologies, Inc. (a Delaware corporation) | Semiconductor laser structure and method of manufacturing same |
US6810190B2 (en) * | 2001-08-07 | 2004-10-26 | Massachusetts Institute Of Technology | Compact three-dimensional mode size converters for fiber-waveguide coupling |
US12027823B2 (en) * | 2021-05-10 | 2024-07-02 | Lumentum Japan, Inc. | Semiconductor laser |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05142435A (ja) * | 1991-11-26 | 1993-06-11 | Nippon Telegr & Teleph Corp <Ntt> | 導波路形ビーム変換素子およびその製造方法 |
FR2684823B1 (fr) * | 1991-12-04 | 1994-01-21 | Alcatel Alsthom Cie Gle Electric | Composant optique semi-conducteur a mode de sortie elargi et son procede de fabrication. |
GB9301052D0 (en) * | 1993-01-20 | 1993-03-10 | Marconi Gec Ltd | Optical devices |
FR2709566B1 (fr) * | 1993-09-02 | 1995-09-29 | Alcatel Nv | Composant optique actif semiconducteur à ruban. |
-
1996
- 1996-01-27 GB GB9601703A patent/GB2309581B/en not_active Expired - Fee Related
-
1997
- 1997-01-24 DE DE69700830T patent/DE69700830T2/de not_active Expired - Fee Related
- 1997-01-24 EP EP97901693A patent/EP0876696B1/en not_active Expired - Lifetime
- 1997-01-24 US US09/091,684 patent/US6058125A/en not_active Expired - Fee Related
- 1997-01-24 WO PCT/GB1997/000225 patent/WO1997027651A1/en active IP Right Grant
- 1997-01-24 JP JP9526680A patent/JP2000504152A/ja not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US6058125A (en) | 2000-05-02 |
GB2309581A (en) | 1997-07-30 |
EP0876696A1 (en) | 1998-11-11 |
WO1997027651A1 (en) | 1997-07-31 |
DE69700830D1 (de) | 1999-12-30 |
GB9601703D0 (en) | 1996-03-27 |
DE69700830T2 (de) | 2001-08-02 |
GB2309581B (en) | 2000-03-22 |
EP0876696B1 (en) | 1999-11-24 |
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Legal Events
Date | Code | Title | Description |
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A313 | Final decision of rejection without a dissenting response from the applicant |
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