Patent ID: 6542269
Filing Date: 2003-04-01
Classification: G02F,H04B,H04Q

Abstract:
An optical device comprising:an input for an input optical impulse; an optical beam splitting element for supplying, from the said input optical impulse, a first pair of optical impulses and a second pair of optical impulses; at least a first optical delay element to delay, by a predetermined time, at least one of the said optical impulses of the said first pair; at least a second optical delay element to delay, by a predetermined time, at least one of the said optical impulses of the said second pair; a first optical processing element capable of supplying a first output optical signal when commanded by the said first pair of optical impulses; a second optical processing element capable of supplying a second output optical signal when commanded by the said second pair of optical impulses; a first output connected to the said first optical processing element for the said first output optical signal; a second output connected to the said second optical processing element for the said second output optical signal.