JPH11287705A - 光学ノイズ監視装置 - Google Patents

光学ノイズ監視装置

Info

Publication number
JPH11287705A
JPH11287705A JP10330810A JP33081098A JPH11287705A JP H11287705 A JPH11287705 A JP H11287705A JP 10330810 A JP10330810 A JP 10330810A JP 33081098 A JP33081098 A JP 33081098A JP H11287705 A JPH11287705 A JP H11287705A
Authority
JP
Japan
Prior art keywords
optical
series
predetermined wavelength
light energy
signals
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
JP10330810A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11287705A5 (enExample
Inventor
David M Brown
デイビッド・エム・ブラウン
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.)
HP Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH11287705A publication Critical patent/JPH11287705A/ja
Publication of JPH11287705A5 publication Critical patent/JPH11287705A5/ja
Withdrawn legal-status Critical Current

Links

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
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/28—Investigating the spectrum
    • G01J3/30—Measuring the intensity of spectral lines directly on the spectrum itself
    • G01J3/36—Investigating two or more bands of a spectrum by separate detectors
    • 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
    • H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
    • H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
    • H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
    • H04B10/0795—Performance monitoring; Measurement of transmission parameters
    • H04B10/07953—Monitoring or measuring OSNR, BER or Q

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Communication System (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Optical Filters (AREA)
  • Light Receiving Elements (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP10330810A 1997-11-26 1998-11-20 光学ノイズ監視装置 Withdrawn JPH11287705A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US979463 1997-11-26
US08/979,463 US6075632A (en) 1997-11-26 1997-11-26 Optical noise monitor

Publications (2)

Publication Number Publication Date
JPH11287705A true JPH11287705A (ja) 1999-10-19
JPH11287705A5 JPH11287705A5 (enExample) 2006-01-05

Family

ID=25526903

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10330810A Withdrawn JPH11287705A (ja) 1997-11-26 1998-11-20 光学ノイズ監視装置

Country Status (4)

Country Link
US (1) US6075632A (enExample)
JP (1) JPH11287705A (enExample)
DE (1) DE19830809A1 (enExample)
GB (1) GB2333410B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017535019A (ja) * 2014-08-06 2017-11-24 テレダイン インストゥルメンツ，インコーポレイテッド データ収集及び通信システム及び方法を有する海底コネクタ

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US6497490B1 (en) * 1999-12-14 2002-12-24 Silicon Light Machines Laser beam attenuator and method of attenuating a laser beam
US6956878B1 (en) 2000-02-07 2005-10-18 Silicon Light Machines Corporation Method and apparatus for reducing laser speckle using polarization averaging
DE10021860C2 (de) * 2000-05-05 2002-03-14 Siemens Ag Verfahren und Schaltungsanordnung zur Bestimmung des Träger-zu-Rausch-Verhältnisses bei optischer Übertragung
US6631222B1 (en) * 2000-05-16 2003-10-07 Photuris, Inc. Reconfigurable optical switch
CA2409216A1 (en) * 2000-05-16 2001-11-22 Photuris, Inc. A reconfigurable optical switch
US6823086B1 (en) * 2000-08-29 2004-11-23 Analogic Corporation Adaptive spatial filter
US7177081B2 (en) 2001-03-08 2007-02-13 Silicon Light Machines Corporation High contrast grating light valve type device
US6542306B2 (en) * 2001-03-16 2003-04-01 Optical Coating Laboratories, Inc. Compact multiple channel multiplexer/demultiplexer devices
US6707591B2 (en) 2001-04-10 2004-03-16 Silicon Light Machines Angled illumination for a single order light modulator based projection system
US6636658B2 (en) 2001-04-23 2003-10-21 Optical Coating Laboratory, Inc. Wavelength division multiplexing/demultiplexing systems
US6728434B2 (en) 2001-06-04 2004-04-27 Axun Technologies, Inc. MEMS dynamic optical spectral filter
US6865346B1 (en) 2001-06-05 2005-03-08 Silicon Light Machines Corporation Fiber optic transceiver
US6782205B2 (en) 2001-06-25 2004-08-24 Silicon Light Machines Method and apparatus for dynamic equalization in wavelength division multiplexing
US6829092B2 (en) 2001-08-15 2004-12-07 Silicon Light Machines, Inc. Blazed grating light valve
US6930364B2 (en) 2001-09-13 2005-08-16 Silicon Light Machines Corporation Microelectronic mechanical system and methods
US6956995B1 (en) 2001-11-09 2005-10-18 Silicon Light Machines Corporation Optical communication arrangement
US6800238B1 (en) 2002-01-15 2004-10-05 Silicon Light Machines, Inc. Method for domain patterning in low coercive field ferroelectrics
JP3949977B2 (ja) * 2002-02-18 2007-07-25 沖電気工業株式会社 波長分割多重通信用光分波器
JP2003302554A (ja) * 2002-04-01 2003-10-24 Taida Electronic Ind Co Ltd 光学装置
US6728023B1 (en) 2002-05-28 2004-04-27 Silicon Light Machines Optical device arrays with optimized image resolution
US6767751B2 (en) 2002-05-28 2004-07-27 Silicon Light Machines, Inc. Integrated driver process flow
US7054515B1 (en) 2002-05-30 2006-05-30 Silicon Light Machines Corporation Diffractive light modulator-based dynamic equalizer with integrated spectral monitor
US6822797B1 (en) 2002-05-31 2004-11-23 Silicon Light Machines, Inc. Light modulator structure for producing high-contrast operation using zero-order light
US6829258B1 (en) 2002-06-26 2004-12-07 Silicon Light Machines, Inc. Rapidly tunable external cavity laser
US6908201B2 (en) 2002-06-28 2005-06-21 Silicon Light Machines Corporation Micro-support structures
US6714337B1 (en) 2002-06-28 2004-03-30 Silicon Light Machines Method and device for modulating a light beam and having an improved gamma response
US6813059B2 (en) 2002-06-28 2004-11-02 Silicon Light Machines, Inc. Reduced formation of asperities in contact micro-structures
US6801354B1 (en) 2002-08-20 2004-10-05 Silicon Light Machines, Inc. 2-D diffraction grating for substantially eliminating polarization dependent losses
US7057795B2 (en) 2002-08-20 2006-06-06 Silicon Light Machines Corporation Micro-structures with individually addressable ribbon pairs
US6712480B1 (en) 2002-09-27 2004-03-30 Silicon Light Machines Controlled curvature of stressed micro-structures
US6928207B1 (en) 2002-12-12 2005-08-09 Silicon Light Machines Corporation Apparatus for selectively blocking WDM channels
US7057819B1 (en) 2002-12-17 2006-06-06 Silicon Light Machines Corporation High contrast tilting ribbon blazed grating
US6987600B1 (en) 2002-12-17 2006-01-17 Silicon Light Machines Corporation Arbitrary phase profile for better equalization in dynamic gain equalizer
US6934070B1 (en) 2002-12-18 2005-08-23 Silicon Light Machines Corporation Chirped optical MEM device
US6927891B1 (en) 2002-12-23 2005-08-09 Silicon Light Machines Corporation Tilt-able grating plane for improved crosstalk in 1×N blaze switches
US7068372B1 (en) 2003-01-28 2006-06-27 Silicon Light Machines Corporation MEMS interferometer-based reconfigurable optical add-and-drop multiplexor
US7286764B1 (en) 2003-02-03 2007-10-23 Silicon Light Machines Corporation Reconfigurable modulator-based optical add-and-drop multiplexer
US6947613B1 (en) 2003-02-11 2005-09-20 Silicon Light Machines Corporation Wavelength selective switch and equalizer
US6922272B1 (en) 2003-02-14 2005-07-26 Silicon Light Machines Corporation Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices
US6829077B1 (en) 2003-02-28 2004-12-07 Silicon Light Machines, Inc. Diffractive light modulator with dynamically rotatable diffraction plane
US7027202B1 (en) 2003-02-28 2006-04-11 Silicon Light Machines Corp Silicon substrate as a light modulator sacrificial layer
US6806997B1 (en) 2003-02-28 2004-10-19 Silicon Light Machines, Inc. Patterned diffractive light modulator ribbon for PDL reduction
US7391973B1 (en) 2003-02-28 2008-06-24 Silicon Light Machines Corporation Two-stage gain equalizer
US6922273B1 (en) 2003-02-28 2005-07-26 Silicon Light Machines Corporation PDL mitigation structure for diffractive MEMS and gratings
US7042611B1 (en) 2003-03-03 2006-05-09 Silicon Light Machines Corporation Pre-deflected bias ribbons
KR100647311B1 (ko) * 2005-01-26 2006-11-23 삼성전자주식회사 집적형 광학필터장치
US20070166033A1 (en) * 2006-01-10 2007-07-19 Fujitsu Limited Analyzing the quality of an optical waveform
FR3007148B1 (fr) * 2013-06-17 2016-11-25 Centre Nat De La Rech Scient - Cnrs Element de filtrage optique angulaire pour le filtrage angulaire a selectivite angulaire controlee
JP2015102796A (ja) * 2013-11-27 2015-06-04 セイコーエプソン株式会社 光分岐装置
US9385829B2 (en) * 2014-10-28 2016-07-05 Avago Technologies General Ip (Singapore) Pte. Ltd. Optical transceiver having optics with rotated optical path
US9692522B2 (en) * 2015-04-15 2017-06-27 Cisco Technology, Inc. Multi-channel optical receiver or transmitter with a ball lens
JP7241461B2 (ja) * 2017-12-19 2023-03-17 日本ルメンタム株式会社 光合分波器、光サブアセンブリ及び光モジュール
WO2019171484A1 (en) * 2018-03-07 2019-09-12 Nec Corporation Monitoring apparatus for optical amplifier, optical amplifying system, and method of monitoring amplified optical signal

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IT1109751B (it) * 1978-01-31 1985-12-23 Nippon Telegraph & Telephone Moltiplatore e demultiplatore ottico
JPS54103055A (en) * 1978-01-31 1979-08-14 Nippon Telegr & Teleph Corp <Ntt> Spectrometer
IT1178484B (it) * 1984-06-07 1987-09-09 Italtel Spa Demultiplatore (multiplatore) per sistemi trasmissivi in fibra ottica
CA1250170A (en) * 1985-07-16 1989-02-21 Jerzy A. Dobrowolski Optical mixing/demixing device
US4768849A (en) * 1986-09-15 1988-09-06 Hicks Jr John W Filter tap for optical communications systems
US5583683A (en) * 1995-06-15 1996-12-10 Optical Corporation Of America Optical multiplexing device
US5859717A (en) * 1997-02-14 1999-01-12 Corning Oca Corporation Multiplexing device with precision optical block
US5920411A (en) * 1997-02-14 1999-07-06 Duck; Gary S. Optical multiplexing/demultiplexing device
US5850292A (en) * 1997-11-13 1998-12-15 Hewlett-Packard Company Wavelength monitor for optical signals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017535019A (ja) * 2014-08-06 2017-11-24 テレダイン インストゥルメンツ，インコーポレイテッド データ収集及び通信システム及び方法を有する海底コネクタ

Also Published As

Publication number Publication date
US6075632A (en) 2000-06-13
DE19830809A1 (de) 1999-06-02
GB2333410B (en) 2003-05-07
GB2333410A (en) 1999-07-21
GB9824560D0 (en) 1999-01-06

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