DK0950297T3 - Bidirektional router samt fremgangsmåde til bidirektional forstærkning - Google Patents

Bidirektional router samt fremgangsmåde til bidirektional forstærkning

Info

Publication number
DK0950297T3
DK0950297T3 DK97950001T DK97950001T DK0950297T3 DK 0950297 T3 DK0950297 T3 DK 0950297T3 DK 97950001 T DK97950001 T DK 97950001T DK 97950001 T DK97950001 T DK 97950001T DK 0950297 T3 DK0950297 T3 DK 0950297T3
Authority
DK
Denmark
Prior art keywords
bidirectional
router
gain
bidirectional gain
bidirectional router
Prior art date
Application number
DK97950001T
Other languages
English (en)
Inventor
Rene Engel Kristiansen
Original Assignee
Tellabs Denmark As
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 Tellabs Denmark As filed Critical Tellabs Denmark As
Application granted granted Critical
Publication of DK0950297T3 publication Critical patent/DK0950297T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0003—Details
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/2935—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means
    • G02B6/29352—Mach-Zehnder configuration, i.e. comprising separate splitting and combining means in a light guide
    • 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
    • H04B10/29—Repeaters
    • H04B10/291—Repeaters in which processing or amplification is carried out without conversion of the main signal from optical form
    • H04B10/297—Bidirectional amplification
    • H04B10/2971—A single amplifier for both directions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0013—Construction using gating amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0015—Construction using splitting combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/002—Construction using optical delay lines or optical buffers or optical recirculation

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Communication System (AREA)
DK97950001T 1996-12-23 1997-12-22 Bidirektional router samt fremgangsmåde til bidirektional forstærkning DK0950297T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK150496 1996-12-23
PCT/DK1997/000591 WO1998028874A1 (en) 1996-12-23 1997-12-22 A bidirectional router and a method of monodirectional amplification

Publications (1)

Publication Number Publication Date
DK0950297T3 true DK0950297T3 (da) 2002-11-11

Family

ID=8105531

Family Applications (1)

Application Number Title Priority Date Filing Date
DK97950001T DK0950297T3 (da) 1996-12-23 1997-12-22 Bidirektional router samt fremgangsmåde til bidirektional forstærkning

Country Status (6)

Country Link
US (3) US6724995B1 (da)
EP (1) EP0950297B1 (da)
AU (1) AU5311298A (da)
DE (1) DE69715043T2 (da)
DK (1) DK0950297T3 (da)
WO (1) WO1998028874A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69715043T2 (de) * 1996-12-23 2003-04-24 Tellabs Denmark A/S, Ballerup Ein bidirektionaler wegeleiter und ein verfahren zur unidirektionalen verstärkung
US20170293083A1 (en) * 2016-04-11 2017-10-12 Michael Menard Optical loop enhanced optical modulators

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4725113A (en) 1985-08-22 1988-02-16 Litton Systems, Inc. Form birefringent cutoff polarizer and method
EP0390002B1 (de) 1989-03-31 1996-06-12 Alcatel SEL Aktiengesellschaft Optisches Nachrichtenübertragungssystem zur Diplex- oder Duplex-Übertragung
GB9007974D0 (en) * 1990-04-09 1990-06-06 British Telecomm Loss detection
US5056885A (en) * 1990-05-10 1991-10-15 General Electric Company Fiber optic switch
US5136671A (en) 1991-08-21 1992-08-04 At&T Bell Laboratories Optical switch, multiplexer, and demultiplexer
ATE153811T1 (de) 1991-09-06 1997-06-15 Nederland Ptt Übertragungssystem für die polarisationsunabhängige übertragung von signalen
US5212758A (en) 1992-04-10 1993-05-18 At&T Bell Laboratories Planar lens and low order array multiplexer
US5339157A (en) * 1993-02-19 1994-08-16 At&T Bell Laboratories Rapidly tunable integrated optical filter
EP0612164A1 (en) * 1993-02-19 1994-08-24 AT&T Corp. Rapidly tunable windeband integrated optical filter
US5367586A (en) * 1993-03-26 1994-11-22 At&T Bell Laboratories Optical delay line
US5493625A (en) 1993-11-16 1996-02-20 At&T Corp. Fast tunable channel dropping filter
AU1296695A (en) * 1993-12-01 1995-06-19 Williams Telecommunications Group, Inc. Bidirectional optical amplifier
JP3425150B2 (ja) * 1994-02-11 2003-07-07 コーニンクレッカ、フィリップス、エレクトロニクス、エヌ．ヴィ． 位相調整アレイを有する光学装置
US5452124A (en) * 1994-03-04 1995-09-19 Williams Telecommunications Group, Inc. Unidirectional amplification for bi-directional transmission using wavelength-division multiplexing
US5444725A (en) * 1994-09-30 1995-08-22 At&T Ipm Corp. Multifrequency laser
US5600742A (en) * 1994-09-30 1997-02-04 Lucent Technologies Inc. Wavelength grating router with output coupler
US5566014A (en) 1994-12-28 1996-10-15 At&T Corp. Tunable add/drop optical filter providing arbitrary channel arrangements
US5633741A (en) 1995-02-23 1997-05-27 Lucent Technologies Inc. Multichannel optical fiber communications
US5647032A (en) * 1995-08-24 1997-07-08 Kowa Company, Ltd. Interferometers for measuring coherence length and high-speed switching of laser light
US5848207A (en) * 1996-08-29 1998-12-08 Hitachi Cable, Ltd. Optical device formed with grating therein, add/drop filter using same, and method of fabricating same
US5636309A (en) * 1996-02-21 1997-06-03 Lucent Technologies Inc. Article comprising a planar optical waveguide mach-zehnder interferometer device, and method of making same
CA2221631A1 (en) * 1996-04-18 1997-10-23 Daniel Nolan Periodic mach-zehnder optical filters
US6130899A (en) * 1996-12-12 2000-10-10 Nortel Networks Corporation Laser assembly
DE69715043T2 (de) * 1996-12-23 2003-04-24 Tellabs Denmark A/S, Ballerup Ein bidirektionaler wegeleiter und ein verfahren zur unidirektionalen verstärkung
US5889899A (en) * 1997-10-15 1999-03-30 Lucent Technologies Inc. Article comprising a Bragg reflective Mach-Zehnder filter of reduced coupled dependence
US6081368A (en) * 1997-12-23 2000-06-27 Lucent Technologies Inc. Optical amplifier for bi-directional WDM optical communications systems

Also Published As

Publication number Publication date
US6724995B1 (en) 2004-04-20
US20080031622A1 (en) 2008-02-07
DE69715043T2 (de) 2003-04-24
US7277635B2 (en) 2007-10-02
US20040156093A1 (en) 2004-08-12
AU5311298A (en) 1998-07-17
DE69715043D1 (de) 2002-10-02
EP0950297A1 (en) 1999-10-20
WO1998028874A1 (en) 1998-07-02
EP0950297B1 (en) 2002-08-28

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