Optical communication system having optical amplification function

Details for Australian Patent Application No. 2004228278 (hide)

Owner Sumitomo Electric Industries, Ltd.

Inventors Yada, Katsuhiro

Agent Spruson & Ferguson

Pub. Number AU-A-2004228278

PCT Pub. Number WO2004/091123

Priority 2003-099570 02.04.03 JP; 2003-110699 15.04.03 JP

Filing date 31 March 2004

Wipo publication date 21 October 2004

International Classifications

H04B 010/20 Transmission systems employing beams of corpuscular radiation, or electromagnetic waves other than radio waves, e.g. light, infra-red - Arrangements for networking, e.g. bus or star coupling

G02F 001/35 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

H01S 003/10 Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves - Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating

H01S 003/30 Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves - using scattering effects, e.g. stimulated Brillouin or Raman effects

Event Publications

10 November 2005 PCT application entered the National Phase

  PCT publication WO2004/091123 Priority application(s): WO2004/091123

21 June 2007 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(a). A direction to request examination has been given for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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