Owner Sumitomo Electric Industries, Ltd.

Inventors Hasegawa, Takemi

Agent Davies Collison Cave

Pub. Number AU-B-2003262472

Priority 2002-348551 29.11.02 JP

Filing date 24 November 2003

Wipo publication date 17 June 2004

Acceptance publication date 11 September 2008

G02B 6/032 (2006.01) Light guides

G02B 6/293 (2006.01) Light guides - with wavelength selective means

G02F 1/35 (2006.01) 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

G02F 1/39 (2006.01) 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

H01S 3/067 (2006.01) Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves

H01S 3/10 (2006.01) 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

H04B 10/16 (2006.01) Transmission systems employing beams of corpuscular radiation, or electromagnetic waves other than radio waves, e.g. light, infra-red - Repeaters

H04B 10/17 (2006.01) 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