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)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (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
GB0005615 2000-03-09
GBGB0005615.0A GB0005615D0 (en) 2000-03-09 2000-03-09 An optical processing device based on fiber grating
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
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
AU2001237622A Abandoned AU2001237622A1 (en) 2000-03-09 2001-03-09 Ocdma receiver including a non-linear filter

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU2001237614A Abandoned AU2001237614A1 (en) 2000-03-09 2001-03-09 Optical transmission system and method

Family Applications After (1)

Application Number Title Priority Date Filing Date
AU2001237622A Abandoned AU2001237622A1 (en) 2000-03-09 2001-03-09 Ocdma receiver including a non-linear filter

Country Status (6)

Country Link
US (3) US20030035187A1 (en)
EP (1) EP1264433B1 (en)
AU (3) AU2001237614A1 (en)
DE (1) DE60117124T2 (en)
GB (1) GB0005615D0 (en)
WO (3) WO2001067642A2 (en)

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US7068881B2 (en) * 2002-08-26 2006-06-27 The Regents Of The University Of California Optical code division multiple access network utilizing reconfigurable spectral phase coding
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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
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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
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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
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Also Published As

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

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