JP2019525470A - 半導体レーザの製造方法および半導体レーザ - Google Patents
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Abstract
Description
2 半導体積層体
3 活性層
4 電極層
5 活性領域
6 光取り出し面
7 裏面
8 光
9 リッジ導波路構造
10 底面
11 コンタクト層
12 第1の部分領域
13 第2の部分領域
14 層
20 表面構造
19 パッシベーション層
90 照射
100 半導体レーザダイオード
Claims (15)
- 半導体レーザ(100)を製造する方法であって、以下のステップ、すなわち、
− 前記半導体レーザ(100)の動作時に光(8)を生成するように実施および意図されている活性層(3)を有する半導体積層体(2)を有する基板(1)を設けるステップと、
− 前記半導体積層体(2)とは反対側の前記基板(1)の底面(10)に、少なくとも1つの第1の部分領域(12)および少なくとも1つの第2の部分領域(13)を有する連続的なコンタクト層(11)を形成するステップと、
− 前記コンタクト層(11)を前記少なくとも1つの第1の部分領域(12)のみにおいて局所的にアニール処理するステップと、
を含む、方法。 - 前記局所的にアニール処理するステップが、レーザベースの照射工程(90)によって実行される、請求項1に記載の方法。
- 前記レーザベースの照射法(90)が、前記基板(1)によって少なくとも一部が吸収されるレーザ光を使用する、請求項2に記載の方法。
- 前記コンタクト層(11)が、前記基板(1)の前記底面(10)に、表面全体にわたり形成される、請求項1から請求項3のいずれか1項に記載の方法。
- 前記コンタクト層(11)が、前記基板(1)の前記底面(10)を、縁部領域を除いて表面全体にわたり覆う、請求項1から請求項3のいずれか1項に記載の方法。
- 前記コンタクト層(11)が複数の層を備えている、請求項1から請求項5のいずれか1項に記載の方法。
- アニール処理の後に、前記コンタクト層(11)のさらなる層(14)が形成される、請求項6に記載の方法。
- 前記さらなる層(14)が、少なくとも前記第1の部分領域(12)に形成される、請求項7に記載の方法。
- 前記コンタクト層(11)の前記少なくとも1つの第1の部分領域(12)が、前記基板(1)の前記底面(10)における凹部に形成される、請求項1から請求項8のいずれか1項に記載の方法。
- 前記コンタクト層(11)が、1つまたは複数の第2の部分領域(13)によって互いに隔てられておりかつ局所的にアニール処理されている複数の第1の部分領域(12)、を有する、請求項1から請求項9のいずれか1項に記載の方法。
- 前記少なくとも1つの第1の部分領域(12)が、前記コンタクト層(11)の縁部領域に配置される、請求項1から請求項10のいずれか1項に記載の方法。
- 前記半導体積層体(2)がリッジ導波路構造(9)を備えており、前記少なくとも1つの第1の部分領域(12)が前記リッジ導波路構造(9)に平行に延びる、請求項1から請求項11のいずれか1項に記載の方法。
- 前記基板(1)の前記底面(10)から見たとき、前記少なくとも1つの第1の部分領域(12)が前記リッジ導波路構造(9)と重なっている、請求項12に記載の方法。
- 前記少なくとも1つの第1の部分領域(12)が、線、十字形、円、楕円、螺旋、格子、正方形、波線、蛇行線から選択される1つまたは複数の幾何学形状を有する、請求項1から請求項13のいずれか1項に記載の方法。
- 半導体レーザ(100)であって、
− 前記半導体レーザ(100)の動作時に光(8)を生成するように実施および意図されている活性層(3)を有する半導体積層体(2)を有する基板(1)と、
− 前記半導体積層体(2)とは反対側の前記基板(1)の底面(10)におけるコンタクト層(11)と、
を備えており、
前記コンタクト層(11)が、隣接して形成されている少なくとも1つの第1の部分領域(12)および少なくとも1つの第2の部分領域(13)を有し、
前記少なくとも1つの第1の部分領域(12)がアニール処理されており、前記少なくとも1つの第2の部分領域(13)がアニール処理されていない、
半導体レーザ(100)。
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PCT/EP2017/077318 WO2018077954A1 (de) | 2016-10-28 | 2017-10-25 | Verfahren zur herstellung eines halbleiterlasers und halbleiterlaser |
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US6657237B2 (en) * | 2000-12-18 | 2003-12-02 | Samsung Electro-Mechanics Co., Ltd. | GaN based group III-V nitride semiconductor light-emitting diode and method for fabricating the same |
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CN109891691B (zh) | 2021-03-12 |
US20200028024A1 (en) | 2020-01-23 |
JP6651052B2 (ja) | 2020-02-19 |
US20210111030A1 (en) | 2021-04-15 |
WO2018077954A1 (de) | 2018-05-03 |
US11935755B2 (en) | 2024-03-19 |
CN109891691A (zh) | 2019-06-14 |
US10910226B2 (en) | 2021-02-02 |
DE102016120685A1 (de) | 2018-05-03 |
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