ATE282901T1 - Verbesserungen im bezug auf halbleiterlaser - Google Patents

Verbesserungen im bezug auf halbleiterlaser

Info

Publication number
ATE282901T1
ATE282901T1 AT02716151T AT02716151T ATE282901T1 AT E282901 T1 ATE282901 T1 AT E282901T1 AT 02716151 T AT02716151 T AT 02716151T AT 02716151 T AT02716151 T AT 02716151T AT E282901 T1 ATE282901 T1 AT E282901T1
Authority
AT
Austria
Prior art keywords
semiconductor laser
waveguide
electrical contact
optical waveguide
shorter
Prior art date
Application number
AT02716151T
Other languages
English (en)
Inventor
Craig James Hamilton
John Haig Marsh
Original Assignee
Univ Glasgow
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ Glasgow filed Critical Univ Glasgow
Application granted granted Critical
Publication of ATE282901T1 publication Critical patent/ATE282901T1/de

Links

Classifications

    • 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
    • H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
    • H01S5/22—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers having a ridge or stripe structure
    • 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
    • H01S5/16—Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface
    • H01S5/164—Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface with window regions comprising semiconductor material with a wider bandgap than the active layer
    • 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
    • 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
    • H01S5/04—Processes or apparatus for excitation, e.g. pumping, e.g. by electron beams
    • H01S5/042—Electrical excitation ; Circuits therefor
    • H01S5/0425—Electrodes, e.g. characterised by the structure
    • H01S5/04256—Electrodes, e.g. characterised by the structure characterised by the configuration
    • 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
    • H01S5/06—Arrangements for controlling the laser output parameters, e.g. by operating on the active medium
    • H01S5/065—Mode locking; Mode suppression; Mode selection ; Self pulsating
    • H01S5/0651—Mode control
    • H01S5/0653—Mode suppression, e.g. specific multimode
    • H01S5/0655—Single transverse or lateral mode 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
    • H01S5/1025—Extended cavities
    • 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
    • H01S5/16—Window-type lasers, i.e. with a region of non-absorbing material between the active region and the reflecting surface
    • 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
    • H01S5/20—Structure or shape of the semiconductor body to guide the optical wave ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
    • H01S5/204—Strongly index guided structures

Landscapes

  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Geometry (AREA)
  • Semiconductor Lasers (AREA)
AT02716151T 2001-01-23 2002-01-23 Verbesserungen im bezug auf halbleiterlaser ATE282901T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0101641A GB2371405B (en) 2001-01-23 2001-01-23 Improvements in or relating to semiconductor lasers
PCT/GB2002/000290 WO2002060023A1 (en) 2001-01-23 2002-01-23 Improvements in or relating to semiconductor lasers

Publications (1)

Publication Number Publication Date
ATE282901T1 true ATE282901T1 (de) 2004-12-15

Family

ID=9907275

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02716151T ATE282901T1 (de) 2001-01-23 2002-01-23 Verbesserungen im bezug auf halbleiterlaser

Country Status (9)

Country Link
US (1) US6717971B2 (de)
EP (1) EP1356553B1 (de)
JP (1) JP2004520710A (de)
CN (1) CN1224147C (de)
AT (1) ATE282901T1 (de)
DE (1) DE60201974T2 (de)
ES (1) ES2236499T3 (de)
GB (1) GB2371405B (de)
WO (1) WO2002060023A1 (de)

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US10551544B2 (en) 2018-01-21 2020-02-04 Lumus Ltd. Light-guide optical element with multiple-axis internal aperture expansion
IL259518B2 (en) 2018-05-22 2023-04-01 Lumus Ltd Optical system and method for improving light field uniformity
IL309806B2 (en) 2018-09-09 2025-11-01 Lumus Ltd Optical systems including light-guide optical elements with two-dimensional expansion
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WO2020174433A1 (en) 2019-02-28 2020-09-03 Lumus Ltd. Compact collimated image projector
CN114746797B (zh) 2019-12-08 2024-11-12 鲁姆斯有限公司 具有紧凑型图像投影仪的光学系统
CN115868092B (zh) * 2020-04-03 2026-06-30 汽车交通安全联合公司 可宽调谐的单模发射半导体激光器
CN218848473U (zh) 2020-05-12 2023-04-11 鲁姆斯有限公司 包括投影光学器件和光导管的设备
CN115885215B (zh) 2020-08-26 2026-06-30 鲁姆斯有限公司 使用白光作为源生成彩色图像
CN115989453B (zh) 2020-08-30 2026-04-28 鲁姆斯有限公司 具有中间图像平面的反射slm图像投影仪
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Also Published As

Publication number Publication date
WO2002060023A1 (en) 2002-08-01
GB2371405A (en) 2002-07-24
EP1356553A1 (de) 2003-10-29
CN1488183A (zh) 2004-04-07
DE60201974T2 (de) 2005-12-15
GB2371405B (en) 2003-10-15
US6717971B2 (en) 2004-04-06
US20020097762A1 (en) 2002-07-25
EP1356553B1 (de) 2004-11-17
JP2004520710A (ja) 2004-07-08
GB0101641D0 (en) 2001-03-07
DE60201974D1 (de) 2004-12-23
CN1224147C (zh) 2005-10-19
ES2236499T3 (es) 2005-07-16

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