AU2001278925A1 - Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system - Google Patents

Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system

Info

Publication number
AU2001278925A1
AU2001278925A1 AU2001278925A AU7892501A AU2001278925A1 AU 2001278925 A1 AU2001278925 A1 AU 2001278925A1 AU 2001278925 A AU2001278925 A AU 2001278925A AU 7892501 A AU7892501 A AU 7892501A AU 2001278925 A1 AU2001278925 A1 AU 2001278925A1
Authority
AU
Australia
Prior art keywords
emphases
transmission distance
fiber transmission
multiple pre
optically amplified
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.)
Abandoned
Application number
AU2001278925A
Inventor
Murat Azizoglu
Richard A. Barry
Eric A. Swanson
Jianying Zhou
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.)
Sycamore Networks Inc
Original Assignee
Sycamore Networks Inc
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 Sycamore Networks Inc filed Critical Sycamore Networks Inc
Publication of AU2001278925A1 publication Critical patent/AU2001278925A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • H04B10/25073—Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion using spectral equalisation, e.g. spectral filtering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0221—Power control, e.g. to keep the total optical power constant
    • H04J14/02216—Power control, e.g. to keep the total optical power constant by gain equalization
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2210/00—Indexing scheme relating to optical transmission systems
    • H04B2210/25—Distortion or dispersion compensation
    • H04B2210/258—Distortion or dispersion compensation treating each wavelength or wavelength band separately

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
AU2001278925A 2000-07-21 2001-07-16 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system Abandoned AU2001278925A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US21983000P 2000-07-21 2000-07-21
US60/219,830 2000-07-21
US26156401P 2001-01-12 2001-01-12
US60/261,564 2001-01-12
PCT/US2001/022257 WO2002009299A2 (en) 2000-07-21 2001-07-16 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system

Publications (1)

Publication Number Publication Date
AU2001278925A1 true AU2001278925A1 (en) 2002-02-05

Family

ID=26914293

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001278925A Abandoned AU2001278925A1 (en) 2000-07-21 2001-07-16 Method and apparatus for extending fiber transmission distance with multiple pre-emphases in optically amplified dwdm system

Country Status (3)

Country Link
US (1) US6456409B2 (en)
AU (1) AU2001278925A1 (en)
WO (1) WO2002009299A2 (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003030428A1 (en) * 2001-10-03 2003-04-10 Tejas Networks India Pvt. Ltd. System for improving osnr of dwdm transmission system
WO2003030427A1 (en) * 2001-10-03 2003-04-10 Tejas Networks India Pvt. Ltd. Improving osnr of optically amplified dwdm transmission system
WO2003029861A1 (en) * 2001-10-03 2003-04-10 Tejas Networks India Pvt. Ltd. Improving optical signal to noise ratio system
US20030067655A1 (en) * 2001-10-05 2003-04-10 Bo Pedersen Methods and systems for integrated IP routers and long haul/ultra long haul optical communication transceivers
US7295783B2 (en) 2001-10-09 2007-11-13 Infinera Corporation Digital optical network architecture
US7444079B2 (en) * 2001-10-12 2008-10-28 International Business Machines Corporation Optical power control monitor for multiple wavelength fiber-optic networks
JP2003143113A (en) * 2001-10-30 2003-05-16 Fujitsu Ltd Wavelength multiplexed optical transmission system, centralized management apparatus used for the system, and method for controlling pre-emphasis in the system
US20030185570A1 (en) * 2002-03-28 2003-10-02 Hayee M. Imran Systems and methods for gain pre-compensation in optical communication systems
GB0213385D0 (en) 2002-06-11 2002-07-24 Marconi Comm Ltd Maximising power in optical communications networks
DE10228750A1 (en) 2002-06-27 2004-02-05 Siemens Ag Method for measuring the signal-to-noise ratios OSNR in a wavelength division multiplex (-WDM) transmission system
US7149433B2 (en) 2002-06-28 2006-12-12 Infineria Corporation Upgrade of optical amplifier site to a digital optical network site in an optical transmission network
DE10236936B4 (en) * 2002-08-12 2011-06-09 Nokia Siemens Networks Gmbh & Co.Kg Method for controlling signal-to-noise ratios of signals transmitted in channels in a WDM transmission system
US7162113B2 (en) * 2002-10-08 2007-01-09 Infinera Corporation Deployment of electro-optic amplitude varying elements (AVEs) and electro-optic multi-functional elements (MFEs) in photonic integrated circuits (PICs)
DE102004018166A1 (en) 2003-05-08 2004-12-16 Siemens Ag Pre-emphasis method for optical multiplex signal in optical transmission system has new signal values calculated from actual signal powers at transmitter and receiver and mean power at transmission side
US7469103B2 (en) * 2005-04-08 2008-12-23 Cisco Technology, Inc. Add/drop multiplexer for OTN/DWDM rings utilizing a pair of muxponders
JP4935279B2 (en) * 2006-09-28 2012-05-23 富士通株式会社 OSNR measuring apparatus and OSNR measuring method
US8903237B2 (en) * 2008-10-27 2014-12-02 Telefonaktiebolaget L M Ericsson (Publ) Method and apparatus for determining a signal transfer characteristic along a light path in an optical network
JP6103097B1 (en) * 2016-03-18 2017-03-29 日本電気株式会社 Optical transmission apparatus and control method thereof
US10322703B2 (en) * 2016-04-15 2019-06-18 GM Global Technology Operations LLC Systems for integrating camera cleaning and door/trunk access for a vehicle
US11536916B1 (en) * 2021-05-10 2022-12-27 Amazon Technologies, Inc. Pathloss optimization for optical systems

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0681119B2 (en) * 1986-04-17 1994-10-12 日本電気株式会社 WDM optical transmission system
US6233077B1 (en) 1995-05-11 2001-05-15 Ciena Corporation Remodulating channel selectors for WDM optical communication systems
JP3373332B2 (en) 1995-05-26 2003-02-04 Ｋｄｄｉ株式会社 Pre-emphasis type optical wavelength division multiplexing communication method and apparatus
JPH0946318A (en) * 1995-08-01 1997-02-14 Fujitsu Ltd Wavelength multiplexed optical transmission system and optical transmitter to be used for same
JP3627384B2 (en) 1996-01-17 2005-03-09 富士ゼロックス株式会社 Information processing apparatus with software protection function and information processing method with software protection function
US5953139A (en) * 1996-03-06 1999-09-14 Cfx Communications Systems, Llc Wavelength division multiplexing system
US5914794A (en) * 1996-12-31 1999-06-22 Mci Communications Corporation Method of and apparatus for detecting and reporting faults in an all-optical communications system
US5915052A (en) * 1997-06-30 1999-06-22 Uniphase Telecommunications Products, Inc. Loop status monitor for determining the amplitude of the signal components of a multi-wavelength optical beam
JP3992811B2 (en) * 1997-08-01 2007-10-17 富士通株式会社 Optical transmission system and transmitting terminal station
US5923450A (en) * 1998-09-30 1999-07-13 Alcatel Network Systems, Inc. Optical channel regulator and method
US6040933A (en) 1997-12-19 2000-03-21 Nortel Networks Corporation Method and apparatus for channel equalization in wavelength division multiplexed systems
US6115157A (en) * 1997-12-24 2000-09-05 Nortel Networks Corporation Methods for equalizing WDM systems
US6339495B1 (en) * 1998-01-06 2002-01-15 Corning Incorporated Optical amplifier with power dependent feedback
US6212229B1 (en) 1998-12-16 2001-04-03 General Dynamics Government Systems Corporation Adaptive pre-emphasis technique
JP3670156B2 (en) * 1999-03-18 2005-07-13 富士通株式会社 Method, apparatus and system for transmitting a supervisory light signal
US6323994B1 (en) * 1999-04-12 2001-11-27 Nortel Networks Limited WDM system equalization with EDFA optical amplifiers

Also Published As

Publication number Publication date
WO2002009299A9 (en) 2003-04-10
WO2002009299A3 (en) 2002-06-06
WO2002009299A2 (en) 2002-01-31
US20020015201A1 (en) 2002-02-07
US6456409B2 (en) 2002-09-24

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