MULTIPLE STAGE RAMAN OPTICAL AMPLIFIER

Details for Australian Patent Application No. 2002368474 (hide)

Owner PIRELLI AND C. S.P.A.

Inventors DE DONNO, Marco; REPINGON, Alain

Pub. Number AU-A-2002368474

PCT Number PCT/EP2002/0145

PCT Pub. Number WO2004/057712

Filing date 19 December 2002

Wipo publication date 14 July 2004

International Classifications

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

G02B 006/34 Light guides - utilising prism or grating

H04B 010/17 Transmission systems employing beams of corpuscular radiation, or electromagnetic waves other than radio waves, e.g. light, infra-red - in which processing or amplification is carried out without conversion of the signal from optical form

Event Publications

12 August 2004 Complete Application Filed

19 August 2004 Application Open to Public Inspection

  Published as AU-A-2002368474

22 September 2005 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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