JP7166871B2 - 垂直共振器型発光素子 - Google Patents
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- 239000004065 semiconductor Substances 0.000 claims description 107
- 239000000758 substrate Substances 0.000 claims description 20
- 239000012535 impurity Substances 0.000 claims description 12
- 230000000415 inactivating effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000005468 ion implantation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000004380 ashing Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 13
- 230000003287 optical effect Effects 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- 238000005530 etching Methods 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- 238000001312 dry etching Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002779 inactivation Effects 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000012447 hatching Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- -1 Ta2O5 Chemical class 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- CJNBYAVZURUTKZ-UHFFFAOYSA-N hafnium(IV) oxide Inorganic materials O=[Hf]=O CJNBYAVZURUTKZ-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 description 1
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- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
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Description
15、21 p型半導体層
15C、21C 不活性化領域
Claims (6)
- 基板と、
前記基板上に形成された第1の多層膜反射鏡と、
前記第1の多層膜反射鏡上に形成され、第1の導電型を有する第1の半導体層と、
前記第1の半導体層上に形成された発光層と、
前記発光層上に形成され、前記第1の半導体層とは反対の第2の導電型を有し、上面に低抵抗領域と前記低抵抗領域の外側において前記低抵抗領域から前記発光層に向かって窪みかつ前記第2の導電型の不純物が不活性化されることで前記低抵抗領域よりも高い電気抵抗を有する高抵抗領域とを有する第2の半導体層と、
前記低抵抗領域及び前記高抵抗領域に接触して前記第2の半導体層の前記上面上に形成された透光電極層と、
前記透光電極層上に形成され、前記第1の多層膜反射鏡との間で共振器を構成する第2の多層膜反射鏡と、を有することを特徴とする垂直共振器型発光素子。 - 前記共振器は、前記低抵抗領域に対応して前記第1及び第2の多層膜反射鏡間に延びる中央領域と、前記中央領域の外側において前記高抵抗領域に対応して設けられた外側領域と、を有し、
前記外側領域は、前記中央領域よりも低い等価屈折率を有することを特徴とする請求項1に記載の垂直共振器型発光素子。 - 前記第2の半導体層は、前記上面の前記低抵抗領域の内側において前記低抵抗領域から前記発光層に向かって窪みかつ前記第2の導電型の不純物が不活性化されることで前記低抵抗領域よりも高い電気抵抗を有する高抵抗領域を有することを特徴とする請求項1に記載の垂直共振器型発光素子。
- 前記共振器は、前記低抵抗領域に対応して前記第1及び第2の多層膜反射鏡間に延びる環状領域と、前記環状領域の内側において前記高抵抗領域に対応して設けられた内側領域と、前記環状領域の外側において前記高抵抗領域に対応して設けられた外側領域と、を有し、
前記内側領域及び前記外側領域は、前記環状領域よりも低い等価屈折率を有することを特徴とする請求項3に記載の垂直共振器型発光素子。 - 前記高抵抗領域は、1.5~12nmの範囲内の深さで前記低抵抗領域から前記発光層に向かって窪んでいることを特徴とする請求項1乃至4のいずれか1つに記載の垂直共振器型発光素子。
- 基板と、前記基板上に形成された第1の多層膜反射鏡と、前記第1の多層膜反射鏡上に形成され、第1の導電型を有する第1の半導体層と、前記第1の半導体層上に形成された発光層と、前記発光層上に形成され、前記第1の半導体層とは反対の第2の導電型を有し、上面に低抵抗領域と前記低抵抗領域の外側において前記低抵抗領域から前記発光層に向かって窪みかつ前記第2の導電型の不純物が不活性化されることで前記低抵抗領域よりも高い電気抵抗を有する高抵抗領域とを有する第2の半導体層と、前記低抵抗領域及び前記高抵抗領域に接触して前記第2の半導体層の前記上面上に形成された透光電極層と、前記透光電極層上に形成され、前記第1の多層膜反射鏡との間で共振器を構成する第2の多層膜反射鏡と、を有する垂直共振器型発光素子の製造方法であって、
前記不純物が不活性化される前記高抵抗領域は、前記第2の半導体層の表面の一部を除去し、イオン注入を行う工程によって形成されるか、または、前記第2の半導体層の表面の一部にアッシング処理を行う工程によって形成されることを特徴とする、垂直共振器型発光素子の製造方法。
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JP2018196394A JP7166871B2 (ja) | 2018-10-18 | 2018-10-18 | 垂直共振器型発光素子 |
CN201980068567.3A CN112913093B (zh) | 2018-10-18 | 2019-10-07 | 垂直谐振器式发光元件 |
US17/285,635 US12218486B2 (en) | 2018-10-18 | 2019-10-07 | Vertical cavity surface emitting device |
PCT/JP2019/039456 WO2020080161A1 (ja) | 2018-10-18 | 2019-10-07 | 垂直共振器型発光素子 |
EP19872622.6A EP3869642B1 (en) | 2018-10-18 | 2019-10-07 | Vertical resonator-type light-emitting element |
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JP7227469B2 (ja) * | 2019-01-29 | 2023-02-22 | 日亜化学工業株式会社 | 垂直共振器面発光レーザ素子 |
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