JP2008034852A5 - - Google Patents
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- JP2008034852A5 JP2008034852A5 JP2007195436A JP2007195436A JP2008034852A5 JP 2008034852 A5 JP2008034852 A5 JP 2008034852A5 JP 2007195436 A JP2007195436 A JP 2007195436A JP 2007195436 A JP2007195436 A JP 2007195436A JP 2008034852 A5 JP2008034852 A5 JP 2008034852A5
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- function
- superlattice
- optoelectronic device
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- 239000002019 doping agent Substances 0.000 claims 11
- 230000005693 optoelectronics Effects 0.000 claims 11
- 239000004065 semiconductor Substances 0.000 claims 6
- 150000001875 compounds Chemical class 0.000 claims 2
- 229910002704 AlGaN Inorganic materials 0.000 claims 1
- 229910002601 GaN Inorganic materials 0.000 claims 1
- 230000003247 decreasing Effects 0.000 claims 1
- 230000000737 periodic Effects 0.000 claims 1
Claims (11)
- 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。
- 超格子(9)は、交互に積層されたInxAlyGa1-x-yN層及びInwAlzGa1-w-zN層を有し、その際、0≦x、y、w、z≦1及びx+y≦1及びw+z≦1を有する、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。
- 超格子(9)は、交互に積層されたInxAlyGa1-x-yP層及びInwAlzGa1-w-zP層を有し、その際、0≦x、y、w、z≦1、又は交互に積層されたInxAlyGa1-x-yAs層及びInwAlzGa1-w-zAs層を有し、その際、0≦x、y、w、z≦1、x+y≦1及びw+z≦1を有する、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。
- 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、超格子(9)の全ての層(9a,9b)について共通の関数によって設定されている、請求項5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5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の関数及び/又は共通の関数は、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6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又は2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又は2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又は2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 | 2006-07-27 | ||
DE102006034821.4 | 2006-07-27 | ||
DE102006046227A DE102006046227A1 (de) | 2006-07-27 | 2006-09-29 | Halbleiter-Schichtstruktur mit Übergitter |
DE102006046227.0 | 2006-09-29 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008034852A JP2008034852A (ja) | 2008-02-14 |
JP2008034852A5 true JP2008034852A5 (ja) | 2011-06-02 |
JP5156290B2 JP5156290B2 (ja) | 2013-03-06 |
Family
ID=38596820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
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) |
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-
2007
- 2007-07-13 EP EP07013821A patent/EP1883140B1/de not_active Ceased
- 2007-07-20 US US11/780,512 patent/US7822089B2/en active Active
- 2007-07-27 JP JP2007195436A patent/JP5156290B2/ja not_active Expired - Fee Related
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