JP2004147323A - 制御された光減衰を用いるヘテロダインベースの光スペクトル分析 - Google Patents

制御された光減衰を用いるヘテロダインベースの光スペクトル分析 Download PDF

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Publication number
JP2004147323A
JP2004147323A JP2003360135A JP2003360135A JP2004147323A JP 2004147323 A JP2004147323 A JP 2004147323A JP 2003360135 A JP2003360135 A JP 2003360135A JP 2003360135 A JP2003360135 A JP 2003360135A JP 2004147323 A JP2004147323 A JP 2004147323A
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Japan
Prior art keywords
signal
input signal
optical
attenuation level
attenuation
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JP2003360135A
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English (en)
Japanese (ja)
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JP2004147323A5 (enExample
Inventor
William Ian Mcalexander
ウィリアム・イアン・マクアレキサンダー
Douglas M Baney
ダグラス・エム・バネイ
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Agilent Technologies Inc
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Agilent Technologies Inc
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Application filed by Agilent Technologies Inc filed Critical Agilent Technologies Inc
Publication of JP2004147323A publication Critical patent/JP2004147323A/ja
Publication of JP2004147323A5 publication Critical patent/JP2004147323A5/ja
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    • 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
    • G01J9/00—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength
    • G01J9/04—Measuring optical phase difference; Determining degree of coherence; Measuring optical wavelength by beating two waves of a same source but of different frequency and measuring the phase shift of the lower frequency obtained
    • 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
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J2001/0276—Protection

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  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
JP2003360135A 2002-10-24 2003-10-21 制御された光減衰を用いるヘテロダインベースの光スペクトル分析 Pending JP2004147323A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/279,436 US7012697B2 (en) 2002-10-24 2002-10-24 Heterodyne based optical spectrum analysis with controlled optical attenuation

Publications (2)

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JP2004147323A true JP2004147323A (ja) 2004-05-20
JP2004147323A5 JP2004147323A5 (enExample) 2006-12-07

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JP2003360135A Pending JP2004147323A (ja) 2002-10-24 2003-10-21 制御された光減衰を用いるヘテロダインベースの光スペクトル分析

Country Status (2)

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US (1) US7012697B2 (enExample)
JP (1) JP2004147323A (enExample)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009212994A (ja) * 2008-03-06 2009-09-17 Nec Corp コヒーレント型光受信器およびその調整方法
JP2010210541A (ja) * 2009-03-12 2010-09-24 Anritsu Corp 光ヘテロダインスペクトラムアナライザ
JP2010245772A (ja) * 2009-04-03 2010-10-28 Fujitsu Ltd 光受信機および光受信方法
JP2012042380A (ja) * 2010-08-20 2012-03-01 Anritsu Corp 光スペクトラムアナライザ
JP2012521118A (ja) * 2009-03-19 2012-09-10 アジレント・テクノロジーズ・インク 光ダウンコンバータの較正
JP2013046162A (ja) * 2011-08-23 2013-03-04 Nec Corp コヒーレント光受信装置およびコヒーレント光受信方法
JP2013081186A (ja) * 2011-04-15 2013-05-02 Nec Corp コヒーレント受信器
WO2019012818A1 (ja) * 2017-07-14 2019-01-17 日本電気株式会社 プラガブル光モジュール、光通信システム及びプラガブル光モジュールの制御方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7012697B2 (en) * 2002-10-24 2006-03-14 Agilent Technologies, Inc. Heterodyne based optical spectrum analysis with controlled optical attenuation
JP5852300B2 (ja) * 2009-12-02 2016-02-03 オリンパス株式会社 光検出装置、顕微鏡および内視鏡
US9166700B2 (en) * 2010-03-21 2015-10-20 Alcatel Lucent Tunable receiver
US9252888B2 (en) 2011-01-20 2016-02-02 Nec Corporation Coherent optical receiver device and coherent optical receiving method
CN107733641B (zh) * 2017-08-29 2020-12-22 上海循态信息科技有限公司 高速高可调带宽量子平衡零差探测器及其控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4856899A (en) * 1985-12-20 1989-08-15 Yokogawa Electric Corporation Optical frequency analyzer using a local oscillator heterodyne detection of incident light
DE4244605A1 (de) * 1992-05-27 1993-12-02 Hewlett Packard Co Optisches Niederkohärenzreflektometer von verbesserter Empfindlichkeit mit optischer Dämpfung
US6600594B1 (en) * 2002-02-21 2003-07-29 Lightech Fiberoptics, Inc. Intelligent variable optical attenuator with controller and attenuation calibration
US7012697B2 (en) * 2002-10-24 2006-03-14 Agilent Technologies, Inc. Heterodyne based optical spectrum analysis with controlled optical attenuation

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8078064B2 (en) 2008-03-06 2011-12-13 Nec Corporation Coherent optical receiver and adjustment method thereof
JP2009212994A (ja) * 2008-03-06 2009-09-17 Nec Corp コヒーレント型光受信器およびその調整方法
JP2010210541A (ja) * 2009-03-12 2010-09-24 Anritsu Corp 光ヘテロダインスペクトラムアナライザ
JP2012521118A (ja) * 2009-03-19 2012-09-10 アジレント・テクノロジーズ・インク 光ダウンコンバータの較正
JP2010245772A (ja) * 2009-04-03 2010-10-28 Fujitsu Ltd 光受信機および光受信方法
JP2012042380A (ja) * 2010-08-20 2012-03-01 Anritsu Corp 光スペクトラムアナライザ
JP2013081186A (ja) * 2011-04-15 2013-05-02 Nec Corp コヒーレント受信器
JP2013046162A (ja) * 2011-08-23 2013-03-04 Nec Corp コヒーレント光受信装置およびコヒーレント光受信方法
WO2019012818A1 (ja) * 2017-07-14 2019-01-17 日本電気株式会社 プラガブル光モジュール、光通信システム及びプラガブル光モジュールの制御方法
JPWO2019012818A1 (ja) * 2017-07-14 2020-06-11 日本電気株式会社 プラガブル光モジュール、光通信システム及びプラガブル光モジュールの制御方法
US10917172B2 (en) 2017-07-14 2021-02-09 Nec Corporation Pluggable optical module, optical communication system, and control method of pluggable optical module
JP6996559B2 (ja) 2017-07-14 2022-01-17 日本電気株式会社 プラガブル光モジュール、光通信システム及びプラガブル光モジュールの制御方法
US11342991B2 (en) 2017-07-14 2022-05-24 Nec Corporation Pluggable optical module, optical communication system, and control method of pluggable optical module

Also Published As

Publication number Publication date
US20040080753A1 (en) 2004-04-29
US7012697B2 (en) 2006-03-14

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