AU2001237644A1 - Optical code generation and detection - Google Patents

Optical code generation and detection

Info

Publication number
AU2001237644A1
AU2001237644A1 AU2001237644A AU3764401A AU2001237644A1 AU 2001237644 A1 AU2001237644 A1 AU 2001237644A1 AU 2001237644 A AU2001237644 A AU 2001237644A AU 3764401 A AU3764401 A AU 3764401A AU 2001237644 A1 AU2001237644 A1 AU 2001237644A1
Authority
AU
Australia
Prior art keywords
detection
code generation
optical code
optical
generation
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
AU2001237644A
Inventor
Morten Ibsen
Periklis Petropoulos
David John Richardson
Peh Chiong Teh
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.)
University of Southampton
Original Assignee
University of Southampton
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 University of Southampton filed Critical University of Southampton
Publication of AU2001237644A1 publication Critical patent/AU2001237644A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/005—Optical Code Multiplex
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/0208—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response
    • G02B6/02085—Refractive index modulation gratings, e.g. Bragg gratings characterised by their structure, wavelength response characterised by the grating profile, e.g. chirped, apodised, tilted, helical
    • 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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02057—Optical fibres with cladding with or without a coating comprising gratings
    • G02B6/02076—Refractive index modulation gratings, e.g. Bragg gratings
    • G02B6/02123—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating
    • G02B6/02152—Refractive index modulation gratings, e.g. Bragg gratings characterised by the method of manufacture of the grating involving moving the fibre or a manufacturing element, stretching of the fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/3515—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam
    • G02F1/3517—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer
    • G02F1/3519—All-optical modulation, gating, switching, e.g. control of a light beam by another light beam using an interferometer of Sagnac type, i.e. nonlinear optical loop mirror [NOLM]

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Optical Communication System (AREA)
AU2001237644A 2000-03-09 2001-03-09 Optical code generation and detection Abandoned AU2001237644A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB0005615.0A GB0005615D0 (en) 2000-03-09 2000-03-09 An optical processing device based on fiber grating
GB0005615 2000-03-09
PCT/GB2001/001076 WO2001067643A2 (en) 2000-03-09 2001-03-09 Optical code generation and detection by means of fiber bragg gratings

Publications (1)

Publication Number Publication Date
AU2001237644A1 true AU2001237644A1 (en) 2001-09-17

Family

ID=9887234

Family Applications (3)

Application Number Title Priority Date Filing Date
AU2001237622A Abandoned AU2001237622A1 (en) 2000-03-09 2001-03-09 Ocdma receiver including a non-linear filter
AU2001237614A Abandoned AU2001237614A1 (en) 2000-03-09 2001-03-09 Optical transmission system and method
AU2001237644A Abandoned AU2001237644A1 (en) 2000-03-09 2001-03-09 Optical code generation and detection

Family Applications Before (2)

Application Number Title Priority Date Filing Date
AU2001237622A Abandoned AU2001237622A1 (en) 2000-03-09 2001-03-09 Ocdma receiver including a non-linear filter
AU2001237614A Abandoned AU2001237614A1 (en) 2000-03-09 2001-03-09 Optical transmission system and method

Country Status (6)

Country Link
US (3) US20010055138A1 (en)
EP (1) EP1264433B1 (en)
AU (3) AU2001237622A1 (en)
DE (1) DE60117124T2 (en)
GB (1) GB0005615D0 (en)
WO (3) WO2001067642A2 (en)

Families Citing this family (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW469712B (en) * 2000-06-23 2001-12-21 Nat Science Council Fiber Bragg grating-based optical CDMA encoder/decoder
CA2444360A1 (en) * 2001-04-23 2002-10-31 Accessphotonic Networks Inc. Optical encoding/decoding device
EP1386429A2 (en) * 2001-05-01 2004-02-04 Accessphotonic Networks Inc. Method for the ocdma encoding of optical signals
US6839521B2 (en) * 2001-05-10 2005-01-04 Northrop Grumman Corporation Photonic bipolar modem for secure multi-channel communication
GB0123640D0 (en) * 2001-09-19 2003-04-09 Matra Bae Dynamics Uk Ltd Multiple pulse generation
KR100418654B1 (en) * 2001-09-20 2004-02-11 한국과학기술연구원 All-Optical XOR Gate by using Semiconductor Optical Amplifier
EP1309116A1 (en) * 2001-11-02 2003-05-07 Alcatel Bidirectional coding splitter
US6891870B2 (en) * 2001-11-09 2005-05-10 Corning Lasertron, Inc. Distributed feedback laser for isolator-free operation
JP3606835B2 (en) * 2001-12-11 2005-01-05 独立行政法人情報通信研究機構 Optical signal generation device and method, transmission device and transmission method, reception device and reception method, and transmission / reception device and transmission / reception method
DE10164643B4 (en) * 2001-12-31 2005-04-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for direct quality determination of optical transmission channels and arrangement for its implementation
US6975794B2 (en) * 2002-03-15 2005-12-13 Intel Corporation Method and apparatus for fabricating a waveguide Bragg grating using pulsed light
US7032139B1 (en) * 2002-03-18 2006-04-18 Finisar Corporation Bit error rate tester
US7231558B2 (en) 2002-03-18 2007-06-12 Finisar Corporation System and method for network error rate testing
US7146072B2 (en) * 2002-08-22 2006-12-05 Main Street Ventures, Llc All optical phase insensitive code responsive and code separator devices apparatus and method
WO2004019502A2 (en) * 2002-08-26 2004-03-04 The Regents Of The University Of California Optical code division multiple access network utilizing reconfigurable spectral phase coding
JP2004093677A (en) * 2002-08-29 2004-03-25 Sumitomo Electric Ind Ltd Light guide type diffraction grating element, method for manufacturing the same, multiplexer and demultiplexer module, and light transmission system
KR100848517B1 (en) * 2002-11-20 2008-07-25 오끼 덴끼 고오교 가부시끼가이샤 Optical signal converter, optical encoder, optical decoder, and optical code division multiplexing communication apparatus
US7539245B2 (en) * 2002-12-24 2009-05-26 General Electric Company System and method for digital transmission and modulation of conjugate pulse position
JP2005070610A (en) * 2003-08-27 2005-03-17 Fujitsu Ltd Multi-wavelength light source apparatus
US7848655B2 (en) * 2003-08-28 2010-12-07 Telcordia Technologies, Inc. Mode-locked optical amplifier as a source for a wdm-WDM hierarchy architecture
KR100539928B1 (en) * 2003-08-29 2005-12-28 삼성전자주식회사 Multi-wavelength light source and wavelength division multiplexing system using the same
EP1700408B1 (en) * 2003-12-30 2018-08-29 Universita' Degli Studi ' Roma Tre' Optical device for simultaneously generating and processing optical codes
US20050150256A1 (en) * 2004-01-14 2005-07-14 Kai-Ping Chuang Fabrication of complex fiber grating structures by use of sequential writing with polarization control
US7315664B2 (en) * 2004-06-08 2008-01-01 The Boeing Company Method of identifying and labeling optical conduits
JPWO2006018952A1 (en) * 2004-08-20 2008-05-08 松下電器産業株式会社 Multimode optical transmission equipment
JP4487746B2 (en) * 2004-11-30 2010-06-23 沖電気工業株式会社 Fiber Bragg grating device
US7729616B2 (en) * 2005-02-18 2010-06-01 Telcordia Technologies, Inc. Phase chip frequency-bins optical code division multiple access
KR100621218B1 (en) * 2004-12-17 2006-09-13 한국전자통신연구원 Two-dimensional optical cdma system, wavelength/time sequential encoder and decoder therein, and method of encoding/decoding
JP4784096B2 (en) * 2005-01-12 2011-09-28 沖電気工業株式会社 Optical pulse time spreader and optical code division multiplexing transmission apparatus
US7770015B1 (en) * 2005-05-20 2010-08-03 Adobe Systems Incorporated Signatures for multiple encodings
KR100723860B1 (en) * 2005-10-27 2007-05-31 한국전자통신연구원 Apparatus and method for reducing signal noise and OCDMA receiver and method
KR20070055652A (en) * 2005-11-26 2007-05-31 한국전자통신연구원 Optical code-division multiple-access network system employing central code assignment scheme and optical encoder/decoder for the network
US7903973B1 (en) * 2005-12-23 2011-03-08 Lockheed Martin Corporation Dynamic temporal duration optical transmission privacy
US7860395B2 (en) * 2006-02-02 2010-12-28 Oki Electric Industry Co., Ltd. Optical access network system
US7991288B1 (en) * 2006-02-07 2011-08-02 Lockheed Martin Corporation Optical code division multiple access data storage encryption and retrieval
JP4876688B2 (en) * 2006-04-20 2012-02-15 沖電気工業株式会社 Optical pulse time spreader
US7949254B1 (en) 2007-12-27 2011-05-24 Lockheed Martin Corporation Security message filtering using OCDMA encoding
JP2009200733A (en) * 2008-02-20 2009-09-03 National Institute Of Information & Communication Technology Optical code division multiplex access system
JP5228646B2 (en) * 2008-06-19 2013-07-03 沖電気工業株式会社 Optical pulse time spreader
JP4977899B2 (en) * 2008-07-03 2012-07-18 国立大学法人山梨大学 Optical communication system, optical transmitter, optical receiver and method, and optical correlator used in these
US8351489B2 (en) 2009-06-08 2013-01-08 King Fahd University Of Petroleum And Minerals Two-phase return-to-zero asynchronous transceiver
TW201210284A (en) * 2010-08-27 2012-03-01 Ind Tech Res Inst Architecture and method for hybrid Peer To Peer/client-server data transmission
US8627156B1 (en) * 2010-10-26 2014-01-07 Agilent Technologies, Inc. Method and system of testing bit error rate using signal with mixture of scrambled and unscrambled bits
US8532486B2 (en) * 2012-02-13 2013-09-10 The United States Of America As Represented By The Secretary Of The Army Method and apparatus for detecting radio-frequency signals using a dispersive fiber optical loop
US8989573B2 (en) * 2012-04-05 2015-03-24 Gwangju Institute Of Science And Technology Sensing apparatus
US10439733B2 (en) * 2014-01-13 2019-10-08 The Johns Hopkins University Fiber optic circuit breaker
EP3169981B1 (en) 2014-07-17 2018-09-26 Infibra Technologies S.r.l. Method and apparatus for measuring a distributed physical value of an optical device under test
CN106998228A (en) * 2017-03-31 2017-08-01 深圳大学 A kind of optical transport network
US10678072B2 (en) 2018-01-22 2020-06-09 Honeywell International Inc. Apparatuses and methods for low energy data modulation
US11125935B2 (en) 2019-03-11 2021-09-21 Honeywell International Inc. Optical structure for imparting a distributed phase shift to an optical signal, electro-optic modulator incorporating such structure for reduced size, low signal loss, and high extinction ratio, and related system and method
CN112987442A (en) * 2021-02-24 2021-06-18 南京邮电大学 Broadband tunable optical frequency comb generation device and method
CN113676256A (en) * 2021-08-23 2021-11-19 重庆邮电大学 Safe optical transmission method based on superstructure fiber Bragg grating
CN114157364B (en) * 2021-11-02 2023-03-24 中国人民解放军陆军装甲兵学院蚌埠校区 Regeneration and re-amplification system for light pulse signals with complex spectral characteristics

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4413353A (en) * 1981-09-03 1983-11-01 Albert Macovski X-Ray encoding system using an optical grating
US5129058A (en) * 1988-07-06 1992-07-07 Ricoh Company, Ltd. Parallel optical image processing system
JPH0478235A (en) * 1990-07-18 1992-03-12 Fujitsu Ltd Direct modulation psk transmission system and automatic frequency control method and demodulation and phase noise suppression method in the system
GB2264359B (en) * 1992-02-20 1995-09-20 Optical Metrology Ltd Apparatus for measuring displacement by detecting phase of an optical signal
US5434876A (en) * 1992-10-23 1995-07-18 At&T Bell Laboratories Article comprising an optical waveguide laser
FR2700901B1 (en) * 1993-01-28 1995-02-24 Alcatel Nv Soliton transmission system and method.
US5477375A (en) * 1993-04-30 1995-12-19 At&T Corp. Optical soliton generator
US5963586A (en) 1994-09-09 1999-10-05 Omnipoint Corporation Method and apparatus for parallel noncoherent correlation of a spread spectrum signal
US5559920A (en) * 1995-03-01 1996-09-24 Lucent Technologies Inc. Dispersion compensation in optical fiber communications
US6314220B1 (en) 1995-03-13 2001-11-06 Templex Technology, Inc. Segmented complex fiber gratings
US5760941A (en) * 1996-02-29 1998-06-02 Rice University System and method for performing optical code division multiple access communication using bipolar codes
US5986789A (en) * 1996-03-07 1999-11-16 Nippon Telegraph And Telephone Corporation Optical transmission line and optical transmission system
US6094307A (en) * 1996-05-17 2000-07-25 Okuma Corporation Optical grating and encoder
GB2316760A (en) 1996-08-23 1998-03-04 Univ Southampton Fabricating optical waveguide gratings
SE523374C2 (en) * 1997-07-31 2004-04-13 Ericsson Telefon Ab L M Communication using spectrum spreading methods over optical fibers
CA2244572A1 (en) 1997-08-12 1999-02-12 Photonics Research Ontario Design of complex optical fiber filters using long-period gratings
GB9722421D0 (en) 1997-10-24 1997-12-24 Univ Southampton Optical grating
US6357913B1 (en) * 1998-02-12 2002-03-19 Novera Optics, Inc. Add/drop acousto-optic filter
US6292282B1 (en) 1998-08-10 2001-09-18 Templex Technology, Inc. Time-wavelength multiple access optical communication systems and methods
TW463033B (en) * 1999-03-06 2001-11-11 Nat Science Council Adjustable optical encoder and decoder
US6313771B1 (en) * 1999-11-17 2001-11-06 Templex Technology, Inc. Codes, methods, and apparatus for optical encoding and decoding

Also Published As

Publication number Publication date
WO2001067642A3 (en) 2002-09-12
GB0005615D0 (en) 2000-05-03
EP1264433B1 (en) 2006-02-08
US20010055138A1 (en) 2001-12-27
US20030035187A1 (en) 2003-02-20
AU2001237614A1 (en) 2001-09-17
EP1264433A1 (en) 2002-12-11
US20020150334A1 (en) 2002-10-17
US6628864B2 (en) 2003-09-30
DE60117124D1 (en) 2006-04-20
WO2001067642A2 (en) 2001-09-13
WO2001067657A1 (en) 2001-09-13
AU2001237622A1 (en) 2001-09-17
WO2001067643A3 (en) 2001-12-27
DE60117124T2 (en) 2006-11-23
WO2001067643A2 (en) 2001-09-13

Similar Documents

Publication Publication Date Title
AU2001237644A1 (en) Optical code generation and detection
AU2002230592A1 (en) Light detection device
AU2001294989A1 (en) Speech detection
AU2002225807A1 (en) Object detection
AU2001293998A1 (en) Detection system
AUPQ600100A0 (en) Animation technology
AU2001270755A1 (en) Optical structure
AU2002235128A1 (en) Expression miniarrays and uses thereof
AU2001271389A1 (en) Optical system
AU6075100A (en) Light detection device
AU2002220234A1 (en) Single user detection
AU2001279967A1 (en) Multi-level optical signal generation
AU2002214221A1 (en) Optical device
AU2001290279A1 (en) Optical device
AU2001288054A1 (en) Optical sensor
AU2001267704A1 (en) Optical security device
AU2001276726A1 (en) Optical sensor
AU2001281633A1 (en) Detection method
AUPQ555400A0 (en) Laser system and methods
AU2001274313A1 (en) Optical encoding
AU2001292936A1 (en) Octahydro-indolizines and quinolizines and hexahydro-pyrrolizines
AU2001283890A1 (en) Window detection
AUPR270201A0 (en) Character generation system
AU2001275352A1 (en) Anti-pilferage system
AU2001263189A1 (en) Optical reader and use