JP7469976B2 - 光源装置及び光パルス試験器 - Google Patents

光源装置及び光パルス試験器 Download PDF

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Publication number
JP7469976B2
JP7469976B2 JP2020121625A JP2020121625A JP7469976B2 JP 7469976 B2 JP7469976 B2 JP 7469976B2 JP 2020121625 A JP2020121625 A JP 2020121625A JP 2020121625 A JP2020121625 A JP 2020121625A JP 7469976 B2 JP7469976 B2 JP 7469976B2
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Japan
Prior art keywords
light
optical
semiconductor laser
light source
source device
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JP2020121625A
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English (en)
Japanese (ja)
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JP2022024314A (ja
Inventor
克志 太田
宰 小久保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Yokogawa Test and Measurement Corp
Original Assignee
Yokogawa Electric Corp
Yokogawa Test and Measurement Corp
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.)
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Publication date
Application filed by Yokogawa Electric Corp, Yokogawa Test and Measurement Corp filed Critical Yokogawa Electric Corp
Priority to JP2020121625A priority Critical patent/JP7469976B2/ja
Priority to US17/370,304 priority patent/US11936162B2/en
Publication of JP2022024314A publication Critical patent/JP2022024314A/ja
Priority to JP2024032896A priority patent/JP7719901B2/ja
Application granted granted Critical
Publication of JP7469976B2 publication Critical patent/JP7469976B2/ja
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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
    • H01S5/14—External cavity lasers
    • H01S5/146—External cavity lasers using a fiber as external cavity
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
    • G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
    • G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
    • 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
    • H01S5/14—External cavity lasers
    • H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08004—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection
    • H01S3/08009—Construction or shape of optical resonators or components thereof incorporating a dispersive element, e.g. a prism for wavelength selection using a diffraction grating
    • 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
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/08018—Mode suppression
    • H01S3/08022—Longitudinal modes
    • H01S3/08027—Longitudinal modes by a filter, e.g. a Fabry-Perot filter is used for wavelength setting
    • 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
    • H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
    • H01S5/0287—Facet reflectivity

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Semiconductor Lasers (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Communication System (AREA)
  • Optical Couplings Of Light Guides (AREA)
JP2020121625A 2020-07-15 2020-07-15 光源装置及び光パルス試験器 Active JP7469976B2 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020121625A JP7469976B2 (ja) 2020-07-15 2020-07-15 光源装置及び光パルス試験器
US17/370,304 US11936162B2 (en) 2020-07-15 2021-07-08 Light source device and optical pulse tester
JP2024032896A JP7719901B2 (ja) 2020-07-15 2024-03-05 光源装置及び光パルス試験器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020121625A JP7469976B2 (ja) 2020-07-15 2020-07-15 光源装置及び光パルス試験器

Related Child Applications (1)

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JP2024032896A Division JP7719901B2 (ja) 2020-07-15 2024-03-05 光源装置及び光パルス試験器

Publications (2)

Publication Number Publication Date
JP2022024314A JP2022024314A (ja) 2022-02-09
JP7469976B2 true JP7469976B2 (ja) 2024-04-17

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JP2020121625A Active JP7469976B2 (ja) 2020-07-15 2020-07-15 光源装置及び光パルス試験器
JP2024032896A Active JP7719901B2 (ja) 2020-07-15 2024-03-05 光源装置及び光パルス試験器

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JP2024032896A Active JP7719901B2 (ja) 2020-07-15 2024-03-05 光源装置及び光パルス試験器

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US (1) US11936162B2 (https=)
JP (2) JP7469976B2 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024218616A1 (en) * 2023-04-20 2024-10-24 National Research Council Of Canada Semiconductor laser with optimized facet coatings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001284715A (ja) 2000-03-30 2001-10-12 Ando Electric Co Ltd 外部共振器型レーザ光源
JP2001284716A (ja) 2000-03-30 2001-10-12 Ando Electric Co Ltd 外部共振器型レーザ光源
US20140044436A1 (en) 2012-08-09 2014-02-13 Electronics And Telecommunications Research Institute Optical transmitter and optical transceiver comprising optical transmitter
JP2015012101A (ja) 2013-06-28 2015-01-19 株式会社リコー 光学モジュール、光走査装置、画像形成装置、及び光学モジュールの製造方法
JP2019029428A (ja) 2017-07-27 2019-02-21 昭和オプトロニクス株式会社 外部共振器型半導体レーザ装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0777279B2 (ja) * 1990-07-27 1995-08-16 パイオニア株式会社 光パルス発生装置
JP3534550B2 (ja) * 1995-11-01 2004-06-07 住友電気工業株式会社 Ｏｔｄｒ装置
US6091744A (en) * 1998-01-14 2000-07-18 Hewlett-Packard Company Wavelength selectable source for wavelength division multiplexed applications
JP2001094198A (ja) 1999-09-22 2001-04-06 Mitsubishi Chemicals Corp 発光素子および発光素子モジュール
JP2002040270A (ja) 2000-07-31 2002-02-06 Furukawa Electric Co Ltd:The 光ファイバ部品、光ファイバ部品の製造方法及び半導体レーザモジュール
JP2002141609A (ja) 2000-11-02 2002-05-17 Furukawa Electric Co Ltd:The 半導体レーザモジュール、レーザユニット、およびラマン増幅器
JP2007085754A (ja) * 2005-09-20 2007-04-05 Furukawa Electric Co Ltd:The 光パルス試験器及び光ファイバ長手方向特性試験方法
JP4893926B2 (ja) * 2006-04-13 2012-03-07 横河電機株式会社 Ｏｔｄｒ用光源
US8905313B2 (en) * 2007-04-12 2014-12-09 Honeywell International Inc. Method and system for creating and reading multi-color co-planar emissive indicia using printable dyes and pigments
CN103346477A (zh) 2013-06-28 2013-10-09 中国科学院半导体研究所 一种侧向耦合平面波导光栅外腔激光器
JP6674346B2 (ja) 2016-07-19 2020-04-01 横河電機株式会社 安定化光源機能付光パルス試験器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001284715A (ja) 2000-03-30 2001-10-12 Ando Electric Co Ltd 外部共振器型レーザ光源
JP2001284716A (ja) 2000-03-30 2001-10-12 Ando Electric Co Ltd 外部共振器型レーザ光源
US20140044436A1 (en) 2012-08-09 2014-02-13 Electronics And Telecommunications Research Institute Optical transmitter and optical transceiver comprising optical transmitter
JP2015012101A (ja) 2013-06-28 2015-01-19 株式会社リコー 光学モジュール、光走査装置、画像形成装置、及び光学モジュールの製造方法
JP2019029428A (ja) 2017-07-27 2019-02-21 昭和オプトロニクス株式会社 外部共振器型半導体レーザ装置

Also Published As

Publication number Publication date
JP2022024314A (ja) 2022-02-09
JP7719901B2 (ja) 2025-08-06
US20220021184A1 (en) 2022-01-20
US11936162B2 (en) 2024-03-19
JP2024084750A (ja) 2024-06-25

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