GB0130435D0 - Data compression device and method - Google Patents

Data compression device and method

Info

Publication number
GB0130435D0
GB0130435D0 GB0130435A GB0130435A GB0130435D0 GB 0130435 D0 GB0130435 D0 GB 0130435D0 GB 0130435 A GB0130435 A GB 0130435A GB 0130435 A GB0130435 A GB 0130435A GB 0130435 D0 GB0130435 D0 GB 0130435D0
Authority
GB
United Kingdom
Prior art keywords
data compression
compression device
data
compression
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Withdrawn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
GB0130435A
Other versions
GB2376141A (en
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.)
Roke Manor Research Ltd
Original Assignee
Roke Manor Research Ltd
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 Roke Manor Research Ltd filed Critical Roke Manor Research Ltd
Publication of GB0130435D0 publication Critical patent/GB0130435D0/en
Priority to AU2002302426A priority Critical patent/AU2002302426A1/en
Priority to PCT/EP2002/002784 priority patent/WO2002074037A2/en
Publication of GB2376141A publication Critical patent/GB2376141A/en
Withdrawn legal-status Critical Current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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • 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
    • G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
    • G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
    • G02B6/12007—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer
    • G02B6/12009—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides
    • G02B6/12019—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind forming wavelength selective elements, e.g. multiplexer, demultiplexer comprising arrayed waveguide grating [AWG] devices, i.e. with a phased array of waveguides characterised by the optical interconnection to or from the AWG devices, e.g. integration or coupling with lasers or photodiodes
    • G02B6/12021—Comprising cascaded AWG devices; AWG multipass configuration; Plural AWG devices integrated on a single chip
    • 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
    • H04B10/50—Transmitters
    • H04B10/501—Structural aspects
    • H04B10/503—Laser transmitters
    • H04B10/505—Laser transmitters using external modulation
    • H04B10/5053—Laser transmitters using external modulation using a parallel, i.e. shunt, combination of modulators
    • 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
    • H04B10/50—Transmitters
    • H04B10/508—Pulse generation, e.g. generation of solitons

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB0130435A 2001-03-16 2001-12-20 Generating a compressed optical data pulse Withdrawn GB2376141A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2002302426A AU2002302426A1 (en) 2001-03-16 2002-03-13 Data compression device and method
PCT/EP2002/002784 WO2002074037A2 (en) 2001-03-16 2002-03-13 Data compression device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0106475A GB0106475D0 (en) 2001-03-16 2001-03-16 Parallel transmitter TDM device

Publications (2)

Publication Number Publication Date
GB0130435D0 true GB0130435D0 (en) 2002-02-06
GB2376141A GB2376141A (en) 2002-12-04

Family

ID=9910793

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0106475A Ceased GB0106475D0 (en) 2001-03-16 2001-03-16 Parallel transmitter TDM device
GB0130435A Withdrawn GB2376141A (en) 2001-03-16 2001-12-20 Generating a compressed optical data pulse

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0106475A Ceased GB0106475D0 (en) 2001-03-16 2001-03-16 Parallel transmitter TDM device

Country Status (1)

Country Link
GB (2) GB0106475D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004068764A1 (en) * 2003-01-27 2004-08-12 Accessphotonic Networks Inc. All optical incoherent-to-coherent wavelength conversion and ocdma transceivers using semiconductor optical amplifier
KR20180095918A (en) * 2015-12-24 2018-08-28 후아웨이 테크놀러지 컴퍼니 리미티드 Array waveguide grating

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3845294A (en) * 1973-05-09 1974-10-29 Bell Telephone Labor Inc Multiplexed communications system
FR2365138A1 (en) * 1976-09-17 1978-04-14 Thomson Csf CODING SYSTEM BY MODULATION OF A LIGHT SIGNAL
US4655547A (en) * 1985-04-09 1987-04-07 Bell Communications Research, Inc. Shaping optical pulses by amplitude and phase masking
US4857726A (en) * 1988-02-29 1989-08-15 Allied-Signal Inc. Method to decode relative spectral data
US5315423A (en) * 1992-02-18 1994-05-24 Rockwell International Corporation Wavelength multiplexed two dimensional image transmission through single mode optical fiber
US5499134A (en) * 1994-08-24 1996-03-12 Imra America Optical pulse amplification using chirped Bragg gratings
US5689361A (en) * 1996-01-22 1997-11-18 Lucent Technologies Inc. Apparatus and method for femtosecond pulse compression based on selective attenuation of a portion of an input power spectrum
US6175437B1 (en) * 1998-12-18 2001-01-16 Electric Power Research Institute, Inc. Apparatus and method for high bandwidth laser-based data communication
AUPP208398A0 (en) * 1998-03-02 1998-03-26 University Of Melbourne, The An optical device for dispersion compensation

Also Published As

Publication number Publication date
GB0106475D0 (en) 2001-05-02
GB2376141A (en) 2002-12-04

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)