JP2006245137A - 半導体光素子 - Google Patents
半導体光素子 Download PDFInfo
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- JP2006245137A JP2006245137A JP2005056520A JP2005056520A JP2006245137A JP 2006245137 A JP2006245137 A JP 2006245137A JP 2005056520 A JP2005056520 A JP 2005056520A JP 2005056520 A JP2005056520 A JP 2005056520A JP 2006245137 A JP2006245137 A JP 2006245137A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 102
- 239000004065 semiconductor Substances 0.000 title claims abstract description 98
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/20—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate
- H01L33/24—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a particular shape, e.g. curved or truncated substrate of the light emitting region, e.g. non-planar junction
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/14—Semiconductor lasers with special structural design for lasing in a specific polarisation mode
- H01S2301/145—TM polarisation
-
- 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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3211—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures characterised by special cladding layers, e.g. details on band-discontinuities
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Lasers (AREA)
Abstract
【解決手段】 本発明の一実施形態に係る半導体光素子は、第1導電型の下部クラッド層と、第2導電型の上部クラッド層と、下部クラッド層と上部クラッド層の間に設けられた活性層とを備えている。下部クラッド層は、活性層における光の導波方向に延びる第1の領域と、該第1の領域の両側に設けられた第2の領域とを有している。活性層は、第1の領域に支持されている。TEモードの利得とTMモードの利得とが実質的に等しくなるように、活性層の層厚が、導波方向において変化している。
【選択図】 図1
Description
T. Ito etal., OECC'97, PDP101, pp2-3, 1997.
ここで、光増幅素子10の導波方向(y方向)の長さをLとし、一端面の位置をy=0、他端面の位置をy=Lとしている。また、ΓTE(y)、ΓTM(y)は素子10内部の任意のy地点におけるTEモード及びTMモードの光閉じ込め係数であり、gTE(y)、gTM(y)は、同じくy地点における活性層材料で決まる材料利得係数である。上式から明らかなように、各モードが得る全利得は、素子内部の任意の地点において、光閉じ込め係数と材料利得係数の積で表される、局所的なモード利得係数を、素子の一端面(y=0)から他端面(y=L)まで積分した値によって決定される。従って、この積分値がTEモードとTMモードで同等であるようにすれば、両者の利得を実質的に同等とすることが出来る。
Claims (4)
- 第1導電型の下部クラッド層と、
第2導電型の上部クラッド層と、
前記下部クラッド層と前記上部クラッド層の間に設けられた活性層と、
を備え、
前記下部クラッド層は、前記活性層における光の導波方向に延びる第1の領域と、該第1の領域の両側に設けられた第2の領域とを有しており、
前記活性層は、前記第1の領域に支持されており、
TEモードの利得とTMモードの利得とが実質的に等しくなるように、前記活性層の層厚が、前記導波方向において変化している、
半導体光素子。 - 前記活性層の幅が、前記導波方向において変化している、請求項1に記載の半導体光素子。
- 前記活性層は、圧縮歪み及び引っ張り歪みの一方を受けている、請求項1又は2に記載の半導体光素子。
- 前記上部クラッド層は、前記第2の領域、及び前記活性層上に設けられている、請求項1〜3の何れか一項に記載の半導体光素子。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005056520A JP4424223B2 (ja) | 2005-03-01 | 2005-03-01 | 半導体光素子 |
US11/363,264 US7615791B2 (en) | 2005-03-01 | 2006-02-28 | Semiconductor optical device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005056520A JP4424223B2 (ja) | 2005-03-01 | 2005-03-01 | 半導体光素子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006245137A true JP2006245137A (ja) | 2006-09-14 |
JP4424223B2 JP4424223B2 (ja) | 2010-03-03 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005056520A Expired - Fee Related JP4424223B2 (ja) | 2005-03-01 | 2005-03-01 | 半導体光素子 |
Country Status (2)
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US (1) | US7615791B2 (ja) |
JP (1) | JP4424223B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7680383B1 (en) * | 2008-08-26 | 2010-03-16 | Massachusetts Institute Of Technology | Semiconductor-based broadband modulators |
TWI680601B (zh) * | 2018-07-16 | 2019-12-21 | 友達光電股份有限公司 | 發光元件、顯示裝置及發光元件與顯示裝置的製造方法 |
CN113161463B (zh) * | 2021-03-01 | 2023-04-07 | 武汉光迅科技股份有限公司 | 一种斜腔芯片结构 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59129473A (ja) | 1983-01-14 | 1984-07-25 | Toshiba Corp | 半導体レーザ装置の製造方法 |
JPH02253682A (ja) * | 1989-03-27 | 1990-10-12 | Mitsubishi Electric Corp | 半導体レーザ |
JPH10154841A (ja) | 1996-09-26 | 1998-06-09 | Nippon Telegr & Teleph Corp <Ntt> | 偏波制御半導体レーザ形光増幅素子 |
JP4789320B2 (ja) * | 2000-12-01 | 2011-10-12 | 富士通株式会社 | 半導体光増幅器 |
JP3516032B2 (ja) * | 2001-03-19 | 2004-04-05 | 独立行政法人通信総合研究所 | 光周波数変換装置 |
US6671086B1 (en) * | 2002-02-19 | 2003-12-30 | Finisar Corporation | Semiconductor optical amplifiers with broadened gain spectrum |
US6891666B2 (en) * | 2003-03-11 | 2005-05-10 | Fox-Tek, Inc. | Semiconductor optical amplifier with electronically controllable polarization dependent gain |
-
2005
- 2005-03-01 JP JP2005056520A patent/JP4424223B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-28 US US11/363,264 patent/US7615791B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7615791B2 (en) | 2009-11-10 |
US20060202212A1 (en) | 2006-09-14 |
JP4424223B2 (ja) | 2010-03-03 |
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