JP7738331B2 - 光信号検出システム、光信号検出装置及び光信号検出方法 - Google Patents

光信号検出システム、光信号検出装置及び光信号検出方法

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Publication number
JP7738331B2
JP7738331B2 JP2022531996A JP2022531996A JP7738331B2 JP 7738331 B2 JP7738331 B2 JP 7738331B2 JP 2022531996 A JP2022531996 A JP 2022531996A JP 2022531996 A JP2022531996 A JP 2022531996A JP 7738331 B2 JP7738331 B2 JP 7738331B2
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JP
Japan
Prior art keywords
optical signal
spectral data
optical
optical signals
signals
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Active
Application number
JP2022531996A
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English (en)
Japanese (ja)
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JPWO2021261476A1 (https=
Inventor
毅 小西
涼平 上川
佑 山崎
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.)
Waseda University
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Waseda University
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Publication date
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Publication of JPWO2021261476A1 publication Critical patent/JPWO2021261476A1/ja
Application granted granted Critical
Publication of JP7738331B2 publication Critical patent/JP7738331B2/ja
Active legal-status Critical Current
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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J11/00—Measuring the characteristics of individual optical pulses or of optical pulse trains
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/02—Details
    • G01J3/0205—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows
    • G01J3/0218—Optical elements not provided otherwise, e.g. optical manifolds, diffusers, windows using optical fibers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2507—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/61—Coherent receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J2003/1213—Filters in general, e.g. dichroic, band
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J2003/1286—Polychromator in general

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Spectrometry And Color Measurement (AREA)
JP2022531996A 2020-06-23 2021-06-22 光信号検出システム、光信号検出装置及び光信号検出方法 Active JP7738331B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020108229 2020-06-23
JP2020108229 2020-06-23
PCT/JP2021/023553 WO2021261476A1 (ja) 2020-06-23 2021-06-22 光信号検出システム、光信号検出装置及び光信号検出方法

Publications (2)

Publication Number Publication Date
JPWO2021261476A1 JPWO2021261476A1 (https=) 2021-12-30
JP7738331B2 true JP7738331B2 (ja) 2025-09-12

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022531996A Active JP7738331B2 (ja) 2020-06-23 2021-06-22 光信号検出システム、光信号検出装置及び光信号検出方法

Country Status (3)

Country Link
US (1) US12235158B2 (https=)
JP (1) JP7738331B2 (https=)
WO (1) WO2021261476A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010204308A (ja) 2009-03-02 2010-09-16 Osaka Univ 波形再構成装置、波形再構成システム及び波形再構成方法
WO2015052937A1 (ja) 2013-10-11 2015-04-16 国立大学法人大阪大学 スペクトル圧縮装置、光アナログ／デジタル変換システム、およびスペクトル圧縮方法
WO2015163149A1 (ja) 2014-04-22 2015-10-29 浜松ホトニクス株式会社 波形計測装置およびパルス光生成装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9304040B2 (en) * 2013-05-21 2016-04-05 The United States Of America, As Represented By The Secretary Of The Navy Method and apparatus for multiplexed fabry-perot spectroscopy
US9958327B2 (en) * 2014-10-01 2018-05-01 Nanometrics Incorporated Deconvolution to reduce the effective spot size of a spectroscopic optical metrology device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010204308A (ja) 2009-03-02 2010-09-16 Osaka Univ 波形再構成装置、波形再構成システム及び波形再構成方法
WO2015052937A1 (ja) 2013-10-11 2015-04-16 国立大学法人大阪大学 スペクトル圧縮装置、光アナログ／デジタル変換システム、およびスペクトル圧縮方法
WO2015163149A1 (ja) 2014-04-22 2015-10-29 浜松ホトニクス株式会社 波形計測装置およびパルス光生成装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
KANE, D. J. et al.，Characterization of Arbitrary Femtosecond Pulses Using Frequency-Resolved Optical Gating，JOURNAL OF QUANTUM ELECTRONICS，米国，IEEE，1993年02月，VOL. 29, NO. 2，pages 571-579

Also Published As

Publication number Publication date
JPWO2021261476A1 (https=) 2021-12-30
US20230213384A1 (en) 2023-07-06
WO2021261476A1 (ja) 2021-12-30
US12235158B2 (en) 2025-02-25

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