JP5156290B2 - オプトエレクトロニクスデバイス - Google Patents
オプトエレクトロニクスデバイス Download PDFInfo
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- JP5156290B2 JP5156290B2 JP2007195436A JP2007195436A JP5156290B2 JP 5156290 B2 JP5156290 B2 JP 5156290B2 JP 2007195436 A JP2007195436 A JP 2007195436A JP 2007195436 A JP2007195436 A JP 2007195436A JP 5156290 B2 JP5156290 B2 JP 5156290B2
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- 230000005693 optoelectronics Effects 0.000 title claims description 23
- 239000002019 doping agent Substances 0.000 claims description 66
- 239000000203 mixture Substances 0.000 claims description 45
- 239000004065 semiconductor Substances 0.000 claims description 43
- 230000007704 transition Effects 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 11
- 230000004888 barrier function Effects 0.000 claims description 8
- 150000001875 compounds Chemical class 0.000 claims description 6
- 229910052749 magnesium Inorganic materials 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000012886 linear function Methods 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 229910002704 AlGaN Inorganic materials 0.000 claims 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 33
- 229910002601 GaN Inorganic materials 0.000 description 32
- 239000011777 magnesium Substances 0.000 description 18
- 238000010521 absorption reaction Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 230000003287 optical effect Effects 0.000 description 10
- 230000005855 radiation Effects 0.000 description 10
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 229910052738 indium Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000002800 charge carrier Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000002835 absorbance Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000013139 quantization Methods 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Substances [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- -1 argon ion Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- 239000002096 quantum dot Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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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
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y20/00—Nanooptics, e.g. quantum optics or photonic crystals
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- 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
- H01L33/04—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 quantum effect structure or superlattice, e.g. tunnel junction
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- 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
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
- H01L33/32—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table containing nitrogen
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/305—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
- H01S5/3077—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure plane dependent doping
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- 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
- H01L33/025—Physical imperfections, e.g. particular concentration or distribution of impurities
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- 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
- H01L33/04—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 quantum effect structure or superlattice, e.g. tunnel junction
- H01L33/06—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 quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
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- H01S5/00—Semiconductor lasers
- H01S5/02—Structural details or components not essential to laser action
- H01S5/0206—Substrates, e.g. growth, shape, material, removal or bonding
- H01S5/0213—Sapphire, quartz or diamond based substrates
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- H01S5/00—Semiconductor lasers
- H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
- H01S5/042—Electrical excitation ; Circuits therefor
- H01S5/0421—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers
- H01S5/0422—Electrical excitation ; Circuits therefor characterised by the semiconducting contacting layers with n- and p-contacts on the same side of the active layer
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/305—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure
- H01S5/3054—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure p-doping
- H01S5/3063—Structure or shape of the active region; Materials used for the active region characterised by the doping materials used in the laser structure p-doping using Mg
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- 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
- H01S5/3213—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 asymmetric clading layers
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- 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
- H01S5/3216—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 quantum well or superlattice cladding layers
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- Condensed Matter Physics & Semiconductors (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biophysics (AREA)
- Semiconductor Lasers (AREA)
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Description
図1は、超格子を有する半導体層構造を有するオプトエレクトロニクスデバイスの横断面図を表す。
Claims (8)
- 活性層(6)を有し、
− 前記活性層(6)は導波体層(5,8)の間に配置されていて、
− 前記活性層(6)と前記導波体層(8)の一方との間にバリア層(7)が配置されていて、
− 前記導波体層(5,8)の、前記活性層とは反対側にそれぞれジャケット層が配置されていて、
− 少なくとも1つのジャケット層は半導体層構造を有し、前記半導体層構造は第1の組成(a)のIII−V化合物半導体と少なくとも1つの第2の組成(b)のIII−V化合物半導体との交互に積層された層(9a,9b)からなる超格子(9)を有し、
− 前記層(9a,9b)は、所定の濃度でドーパントを含有し、
− 前記超格子(9)中の同じ組成の少なくとも2つの層中の前記ドーパントの濃度は異なっていて、
− 前記超格子(9)の少なくとも1つの層(9a,9b)中のドーパントの濃度は勾配されていて、
− 前記超格子(9)は異なるドーパントでドープされている層を有し、前記ドーパントはMg及びSiであるか、又は前記超格子(9)はMgで異なる濃度でドープされている層を有し、
− GaNからなる第1の組成(a)の層は前記活性層の方向に向かってドーパント濃度が低下する推移を示し、及び
− AlGaNからなる第2の組成(b)の層はこれに対して反対のドーパント濃度の推移を示す、オプトエレクトロニクスデバイス。 - 超格子(9)はドープされていない少なくとも1つの層を有する、請求項1記載のオプトエレクトロニクスデバイス。
- 前記超格子(9)の個々の層には半導体層構造内での垂直方向位置zが割り当てられており、かつ層(9a,9b)のドーパントの濃度は所定のように前記半導体層構造内での前記層の垂直方向位置zに依存している、請求項1又は2記載のオプトエレクトロニクスデバイス。
- 垂直方向位置zに関するドーパントの濃度の依存性は、第1の組成(a)の層(9a)に対しては第1の関数によって設定されており、かつ少なくとも1つの第2の組成(b)の層(9b)に対しては少なくとも1つの第2の関数によって設定されている、請求項3記載のオプトエレクトロニクスデバイス。
- 第1の関数及び/又は少なくとも1つの第2の関数は、階段関数又は単調増加関数/減少関数又は一次関数又は多項式関数又は平方根関数又は指数関数又は対数関数又は周期関数又はこれらの関数を重ね合わせであるか、又はこれらの関数の一部を有している、請求項4記載のオプトエレクトロニクスデバイス。
- 超格子(9)の少なくとも1つの層(9a,9b)内でドーパントの濃度は一定である、請求項1から5のいずれか一項記載のオプトエレクトロニクスデバイス。
- 発光ダイオードである、請求項1から6のいずれか一項記載のオプトエレクトロニクスデバイス。
- レーザーダイオードである、請求項1から7のいずれか一項記載のオプトエレクトロニクスデバイス。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006034821.4 | 2006-07-27 | ||
DE102006034821 | 2006-07-27 | ||
DE102006046227.0 | 2006-09-29 | ||
DE102006046227A DE102006046227A1 (de) | 2006-07-27 | 2006-09-29 | Halbleiter-Schichtstruktur mit Übergitter |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008034852A JP2008034852A (ja) | 2008-02-14 |
JP2008034852A5 JP2008034852A5 (ja) | 2011-06-02 |
JP5156290B2 true JP5156290B2 (ja) | 2013-03-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007195436A Expired - Fee Related JP5156290B2 (ja) | 2006-07-27 | 2007-07-27 | オプトエレクトロニクスデバイス |
Country Status (3)
Country | Link |
---|---|
US (1) | US7822089B2 (ja) |
EP (1) | EP1883140B1 (ja) |
JP (1) | JP5156290B2 (ja) |
Families Citing this family (66)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL1883119T3 (pl) | 2006-07-27 | 2016-04-29 | Osram Opto Semiconductors Gmbh | Półprzewodnikowa struktura warstwowa z supersiecią |
EP1883140B1 (de) | 2006-07-27 | 2013-02-27 | OSRAM Opto Semiconductors GmbH | LD oder LED mit Übergitter-Mantelschicht und Dotierungsgradienten |
EP1883141B1 (de) * | 2006-07-27 | 2017-05-24 | OSRAM Opto Semiconductors GmbH | LD oder LED mit Übergitter-Mantelschicht |
KR101308130B1 (ko) * | 2008-03-25 | 2013-09-12 | 서울옵토디바이스주식회사 | 발광 소자 및 그 제조 방법 |
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US20110100291A1 (en) * | 2009-01-29 | 2011-05-05 | Soraa, Inc. | Plant and method for large-scale ammonothermal manufacturing of gallium nitride boules |
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US7822089B2 (en) | 2010-10-26 |
US20080025360A1 (en) | 2008-01-31 |
EP1883140B1 (de) | 2013-02-27 |
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