KR20060074934A - 다수의 양자우물을 갖는 외부 공진기형 면발광 레이저 소자 - Google Patents
다수의 양자우물을 갖는 외부 공진기형 면발광 레이저 소자 Download PDFInfo
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Abstract
Description
Claims (19)
- 복수의 양자우물과 장벽이 반복적으로 적층되어 이루어지는 활성층을 구비한 레이저 소자에 있어서,상기 양자우물 사이의 장벽 내에 터널접합이 삽입되어 있는 것을 특징으로 하는 레이저 소자.
- 제 1 항에 있어서,상기 터널접합은 p-형 도판트(dopant)로 도핑된 p+ 반도체층과 n-형 도판트로 도핑된 n+ 반도체층의 접합으로서, 상기 p+ 반도체층과 n+ 반도체층의 도핑 농도는 1×1018/㎤ 내지 1×1019/㎤ 의 범위에 있는 것을 특징으로 하는 레이저 소자.
- 제 2 항에 있어서,상기 p+ 반도체층은 p+ (Al)(In)GaAs를 포함하는 재료로 구성되며, 상기 n+ 반도체층은 n+ (Al)(In)GaAs를 포함하는 재료로 구성되는 것을 특징으로 하는 레이저 소자.
- 제 1 항에 있어서,상기 터널접합은 두 개의 양자우물마다 하나씩 배치되는 것을 특징으로 하는 레이저 소자.
- 제 1 항에 있어서,상기 터널접합의 두께는 20nm 내지 30nm의 범위에 있는 것을 특징으로 하는 레이저 소자.
- 제 1 항에 있어서,상기 양자우물에 인가되는 응력을 보상하기 위하여, 상기 양자우물 주변에 형성된 응력 보상층을 더 포함하는 것을 특징으로 하는 레이저 소자.
- 제 6 항에 있어서,상기 응력 보상층은 GaAsP, InGaP 및 GaAsN 중 적어도 하나의 재료로 구성되는 것을 특징으로 하는 레이저 소자.
- 기판;상기 기판 위에 형성된 하부 분산 브래그 반사층;상기 하부 분산 브래그 반사층 위에 형성되고, 소정의 파장을 갖는 광을 발 생시키는 활성층; 및상기 활성층 위에 형성된 상부 분산 브래그 반사층;을 포함하며,상기 활성층은 반복적으로 적층된 복수의 양자우물과 장벽을 구비하고, 상기 양자우물 사이의 장벽 내에 터널접합이 삽입되어 있는 것을 특징으로 하는 면발광 레이저 소자.
- 제 8 항에 있어서,상기 터널접합은 p-형 도판트(dopant)로 도핑된 p+ 반도체층과 n-형 도판트로 도핑된 n+ 반도체층의 접합으로서, 상기 p+ 반도체층과 n+ 반도체층의 도핑 농도는 1×1018/㎤ 내지 1×1019/㎤ 의 범위에 있는 것을 특징으로 하는 면발광 레이저 소자.
- 제 9 항에 있어서,상기 p+ 반도체층은 p+ (Al)(In)GaAs를 포함하는 재료로 구성되며, 상기 n+ 반도체층은 n+ (Al)(In)GaAs를 포함하는 재료로 구성되는 것을 특징으로 하는 면발광 레이저 소자.
- 제 8 항에 있어서,상기 터널접합은 두 개의 양자우물마다 하나씩 배치되는 것을 특징으로 하는 면발광 레이저 소자.
- 제 8 항에 있어서,상기 터널접합의 두께는 20nm 내지 30nm의 범위에 있는 것을 특징으로 하는 면발광 레이저 소자.
- 제 8 항에 있어서,상기 상부 분산 브래그 반사층 위로 소정의 거리만큼 이격되어 위치하며, 상기 활성층에서 발생한 광의 일부를 투과시켜 외부로 출력하고, 나머지 일부를 활성층에서 재흡수되도록 반사하는 외부 미러를 더 포함하는 것을 특징으로 하는 면발광 레이저 소자.
- 제 13 항에 있어서,상기 상부 분산 브래그 반사층과 외부 미러 사이에 위치하며, 활성층에서 발생한 광의 주파수를 2배로 만드는 2차 조화파 발생(SHG) 결정을 더 포함하는 것을 특징으로 하는 면발광 레이저 소자.
- 투명 기판;상기 투명 기판 위에 형성된 하부 분산 브래그 반사층;상기 하부 분산 브래그 반사층 위에 형성되고, 소정의 파장을 갖는 광을 발 생시키는 활성층;상기 활성층 위에 형성된 상부 분산 브래그 반사층; 및상기 투명 기판과 서로 대향하도록 상기 투명 기판 아래에 배치되어 있으며, 상기 활성층에서 발생한 광의 일부를 투과시켜 외부로 출력하고, 나머지 일부를 활성층에서 재흡수되도록 반사하는 외부 미러;를 포함하며,상기 활성층은 반복적으로 적층된 복수의 양자우물과 장벽을 구비하고, 상기 양자우물 사이의 장벽 내에 터널접합이 삽입되어 있는 것을 특징으로 하는 면발광 레이저 소자.
- 제 15 항에 있어서,상기 터널접합은 p-형 도판트(dopant)로 도핑된 p+ 반도체층과 n-형 도판트로 도핑된 n+ 반도체층의 접합으로서, 상기 p+ 반도체층과 n+ 반도체층의 도핑 농도는 1×1018/㎤ 내지 1×1019/㎤ 의 범위에 있는 것을 특징으로 하는 면발광 레이저 소자.
- 제 16 항에 있어서,상기 p+ 반도체층은 p+ (Al)(In)GaAs를 포함하는 재료로 구성되며, 상기 n+ 반도체층은 n+ (Al)(In)GaAs를 포함하는 재료로 구성되는 것을 특징으로 하는 면발광 레이저 소자.
- 제 15 항에 있어서,상기 터널접합의 두께는 20nm 내지 30nm의 범위에 있는 것을 특징으로 하는 면발광 레이저 소자.
- 제 15 항에 있어서,상기 투명 기판과 외부 미러 사이에 위치하며, 활성층에서 발생한 광의 주파수를 2배로 만드는 2차 조화파 발생(SHG) 결정을 더 포함하는 것을 특징으로 하는 면발광 레이저 소자.
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KR1020040113924A KR101015501B1 (ko) | 2004-12-28 | 2004-12-28 | 다수의 양자우물을 갖는 외부 공진기형 면발광 레이저 소자 |
JP2005313474A JP2006190976A (ja) | 2004-12-28 | 2005-10-27 | 複数の量子ウェルを有する外部共振器型の面発光レーザー素子 |
US11/267,263 US7539227B2 (en) | 2004-12-28 | 2005-11-07 | External cavity surface emitting laser device having a plurality of quantum wells |
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KR100657963B1 (ko) * | 2005-06-28 | 2006-12-14 | 삼성전자주식회사 | 고출력 수직외부공진형 표면발광 레이저 |
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DE102007011804A1 (de) * | 2007-01-25 | 2008-07-31 | Osram Opto Semiconductors Gmbh | Messanordnung und Messsystem |
CN101682169A (zh) | 2007-05-07 | 2010-03-24 | 皇家飞利浦电子股份有限公司 | 用于探测距离增加的自混合干涉测量术的激光传感器 |
DE102008006993A1 (de) * | 2008-01-31 | 2009-08-06 | Osram Opto Semiconductors Gmbh | Oberflächenemittierender Halbleiterlaser |
DE102008030818B4 (de) * | 2008-06-30 | 2022-03-03 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Oberflächenemittierender Halbleiterlaser mit mehreren aktiven Zonen |
US9112331B2 (en) | 2012-03-22 | 2015-08-18 | Palo Alto Research Center Incorporated | Surface emitting laser incorporating third reflector |
US9124062B2 (en) * | 2012-03-22 | 2015-09-01 | Palo Alto Research Center Incorporated | Optically pumped surface emitting lasers incorporating high reflectivity/bandwidth limited reflector |
US9112332B2 (en) | 2012-06-14 | 2015-08-18 | Palo Alto Research Center Incorporated | Electron beam pumped vertical cavity surface emitting laser |
US9106053B2 (en) * | 2012-10-15 | 2015-08-11 | Palo Alto Research Center Incorporated | Distributed feedback surface emitting laser |
US20170256915A1 (en) | 2016-03-04 | 2017-09-07 | Princeton Optronics, Inc. | High-Speed VCSEL Device |
CN109638646B (zh) * | 2019-03-01 | 2023-10-31 | 厦门乾照光电股份有限公司 | 一种低氧化应力的vcsel芯片及其制备方法 |
WO2023170489A1 (en) * | 2022-03-10 | 2023-09-14 | Ricoh Company, Ltd. | Surface-emitting laser device, detection apparatus, and mobile object |
KR102664635B1 (ko) * | 2022-08-17 | 2024-05-09 | 한국광기술원 | 마이크로 vcsel 및 마이크로 vcsel 어레이 |
KR102664633B1 (ko) * | 2022-08-17 | 2024-05-09 | 한국광기술원 | 빔 품질을 향상시킨 마이크로 vcsel 및 마이크로 vcsel 어레이 |
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JPH07154033A (ja) * | 1993-12-01 | 1995-06-16 | Sumitomo Metal Mining Co Ltd | 半導体レーザ励起第2高調波発生固体レーザ装置 |
KR100484490B1 (ko) * | 2002-11-11 | 2005-04-20 | 한국전자통신연구원 | 장파장 수직 공진 표면방출 레이저 및 그 제작방법 |
US7433567B2 (en) * | 2005-04-13 | 2008-10-07 | Fow-Sen Choa | Multi-quantum well optical waveguide with broadband optical gain |
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KR100657963B1 (ko) * | 2005-06-28 | 2006-12-14 | 삼성전자주식회사 | 고출력 수직외부공진형 표면발광 레이저 |
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US7539227B2 (en) | 2009-05-26 |
US20060140235A1 (en) | 2006-06-29 |
JP2006190976A (ja) | 2006-07-20 |
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