JP4584066B2 - 光感知器を備えた面発光レーザ素子及びこれを用いた光導波路素子 - Google Patents
光感知器を備えた面発光レーザ素子及びこれを用いた光導波路素子 Download PDFInfo
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- JP4584066B2 JP4584066B2 JP2005221675A JP2005221675A JP4584066B2 JP 4584066 B2 JP4584066 B2 JP 4584066B2 JP 2005221675 A JP2005221675 A JP 2005221675A JP 2005221675 A JP2005221675 A JP 2005221675A JP 4584066 B2 JP4584066 B2 JP 4584066B2
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- emitting laser
- surface emitting
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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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- 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]
- H01S5/18341—Intra-cavity contacts
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
- H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
- H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
- H01S5/0264—Photo-diodes, e.g. transceiver devices, bidirectional devices for monitoring the laser-output
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- 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]
- H01S5/18305—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL] with emission through the substrate, i.e. bottom emission
-
- 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
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- 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]
- H01S5/18361—Structure of the reflectors, e.g. hybrid mirrors
- H01S5/18369—Structure of the reflectors, e.g. hybrid mirrors based on dielectric materials
-
- 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
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/42—Arrays of surface emitting lasers
- H01S5/423—Arrays of surface emitting lasers having a vertical cavity
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Description
101 半導体層
102、504 第1反射ミラー
103、505 第1クラッド層
104、506 活性層
105、507 第2クラッド層
106、508 第2反射ミラー
107、511 第1下部電極
108、512 第1上部電極
109、513 吸収膜
110、510 面発光レーザ
111、514 第2下部電極
112、515 第2上部電極
120、520 光感知器
502 第1半導体層
503 第2半導体層
Claims (9)
- 基板上に順次に半導体層、第1反射ミラー、第1クラッド層、活性層、第2クラッド層及び第2反射ミラーが積層された構造で形成され、レーザ光を発生し外部に出力する面発光レーザと、
前記基板上に、前記面発光レーザに隣接しながら独立的に駆動するように形成され、前記半導体層上に形成されて前記面発光レーザから放出された光信号を反射するフィルタの役目をする前記第1反射ミラーを含み、前記第1反射ミラーが露出する構造で形成されて外部信号を受信する光感知器と、を含み、
前記光感知器の前記第1反射ミラーは、前記面発光レーザから放出された第1波長の光信号を反射させ、外部から受信される第2波長の光信号を透過させ、
前記面発光レーザから放出された前記第1波長の光信号が前記光感知器により受信される前記第2波長の光信号に影響を及ぼさないように、前記光感知器に隣接する前記面発光レーザの側面のうち、前記光感知器に隣接する一方の側面に吸収膜が形成されていることを特徴とする、光感知器を備えた面発光レーザ素子。 - 前記面発光レーザは、前記第1クラッド層の露出した一方の領域に形成される第1下部
電極及び前記第2クラッド層の露出した外縁に形成される第1上部電極をさらに含むことを特徴とする請求項1に記載の光感知器を備えた面発光レーザ素子。 - 前記光感知器は、前記基板上の露出した領域に形成される第2下部電極と、前記半導体
層の露出した領域に形成される第2上部電極と、
をさらに含むことを特徴とする請求項1に記載の光感知器を備えた面発光レーザ素子。 - 前記面発光レーザの下部に光監視用感知器をさらに備えていることを特徴とする請求項
1に記載の光感知器を備えた面発光レーザ素子。 - 前記光監視用感知器は、前記基板上に補助半導体層及び補助感知電極をさらに形成する
ことにより構成されることを特徴とする請求項4に記載の光感知器を備えた面発光レーザ
素子。 - 前記面発光レーザ及び前記光感知器は、アレイ形態で形成されることを特徴とする請求
項1に記載の光感知器を備えた面発光レーザ素子。 - 基板上に順次に半導体層、第1反射ミラー、第1クラッド層、活性層、第2クラッド層及び第2反射ミラーが積層された構造に形成され、レーザ光を発生し外部に出力する面発光レーザと、
前記基板上に前記面発光レーザに隣接しながら独立的に駆動するように形成され、前記半導体層上に形成されて前記面発光レーザから放出された光信号を反射するフィルタの役目をする前記第1反射ミラーを含み、前記第1反射ミラーが露出する構造で形成されて外部信号を受信する光感知器と、
前記面発光レーザと前記光感知器のうち少なくともいずれか1つに連結されて、前記面発光レーザから出力される光信号を外部へ伝達するか、外部から受信される光信号を前記光感知器へ伝達する光導波路と、を含み、
前記光感知器の前記第1反射ミラーは、前記面発光レーザから放出された第1波長の光信号を反射させ、外部から受信される第2波長の光信号を透過させ、
前記面発光レーザから放出された前記第1波長の光信号が前記光感知器により受信される前記第2波長の光信号に影響を及ぼさないように、前記光感知器に隣接する前記面発光レーザの側面のうち、前記光感知器に隣接する一方の側面に吸収膜が形成されていることを特徴とする光導波路素子。 - 前記光感知器は、多数個形成されることを特徴とする請求項7に記載の光導波路素子。
- 前記光導波路は、多重モード光導波路又は平面導波路を使用することを特徴とする請求
項7に記載の光導波路素子。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040104332 | 2004-12-10 | ||
| KR1020050041909A KR100750506B1 (ko) | 2004-12-10 | 2005-05-19 | 광감지기를 구비한 표면방출레이저소자 및 이를 적용한광도파로 소자 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2006173567A JP2006173567A (ja) | 2006-06-29 |
| JP4584066B2 true JP4584066B2 (ja) | 2010-11-17 |
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ID=35636642
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2005221675A Expired - Fee Related JP4584066B2 (ja) | 2004-12-10 | 2005-07-29 | 光感知器を備えた面発光レーザ素子及びこれを用いた光導波路素子 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7244923B2 (ja) |
| EP (1) | EP1670105B1 (ja) |
| JP (1) | JP4584066B2 (ja) |
Families Citing this family (15)
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| US7453274B1 (en) * | 2007-10-09 | 2008-11-18 | Kla-Tencor Technologies Corporation | Detection of defects using transient contrast |
| TWI405379B (zh) * | 2010-09-14 | 2013-08-11 | True Light Corp | 垂直共振腔面射型雷射及其製作方法 |
| CN107369728B (zh) * | 2012-08-30 | 2019-07-26 | 京瓷株式会社 | 受光发光元件以及使用该受光发光元件的传感器装置 |
| US10116119B2 (en) * | 2013-10-16 | 2018-10-30 | Koninklijke Philips N.V. | Compact laser device |
| CN104952968A (zh) * | 2015-05-13 | 2015-09-30 | 北京工业大学 | 一种vcsel激光器收发一体探测集成器件 |
| US9735305B2 (en) * | 2015-09-21 | 2017-08-15 | International Business Machines Corporation | Monolithically integrated fluorescence on-chip sensor |
| DE102018125050A1 (de) | 2018-10-10 | 2020-04-16 | Osram Opto Semiconductors Gmbh | Optoelektronischer Sensor |
| KR20220127820A (ko) | 2019-12-11 | 2022-09-20 | 록클리 포토닉스 리미티드 | 광학 감지 모듈 |
| CA3164273A1 (en) * | 2019-12-12 | 2021-06-17 | Brolis Sensor Technology, Uab | Solid-state device |
| US12578323B2 (en) | 2020-09-28 | 2026-03-17 | Chamartin Laboratories Llc | Optical sensing module |
| US11909171B2 (en) * | 2021-03-31 | 2024-02-20 | Apple Inc. | Laser-integrated balance detection for self-mixing interferometry |
| US12390117B2 (en) | 2021-11-16 | 2025-08-19 | Rockley Photonics Limited | Optical sensor module for speckleplethysmography (SPG) and photoplethysmography (PPG) |
| WO2023150223A1 (en) * | 2022-02-02 | 2023-08-10 | Meta Platforms Technologies, Llc | Integrated vcsel device and photodiode and methods of forming the same |
| US12484796B1 (en) | 2024-11-27 | 2025-12-02 | Rockley Photonics Limited | System and method for measuring pulse wave velocity |
| US12396648B1 (en) | 2024-11-27 | 2025-08-26 | Rockley Photonics Limited | Wearable device with light source and optical sensor |
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-
2005
- 2005-07-29 JP JP2005221675A patent/JP4584066B2/ja not_active Expired - Fee Related
- 2005-08-29 EP EP05107899A patent/EP1670105B1/en not_active Expired - Lifetime
- 2005-09-21 US US11/232,661 patent/US7244923B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1670105A1 (en) | 2006-06-14 |
| JP2006173567A (ja) | 2006-06-29 |
| US20060124829A1 (en) | 2006-06-15 |
| US7244923B2 (en) | 2007-07-17 |
| EP1670105B1 (en) | 2011-07-27 |
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