Patent ID: 6954298

Claim:
An electro-optic modulator comprising a block ( 1 ) of crystal having electro-optic properties, the block extending lengthways along a long axis and comprising a light guide ( 4 ) which extends between a light guide input and a light guide output, an electric modulation signal acting on an interaction zone of the block by means of coplanar electrodes ( 5 ) together with the light guide through the intermediary of a dielectric layer, the electrodes being disposed on a main long face of the block and the interaction zone being substantially elongated along the long axis, the light to be modulated arriving through an input optical fibre ( 2 ′) connected to the light guide at the light guide input on a first face of the block, the modulated light leaving the modulator through an output optical fibre ( 2 ″) connected to the light guide at the light guide output on a second face of the block, characterised in that the first face and the second face are one single face (D) which is parallel to the long axis, the light guide comprising two bends ( 11 ′, 11 ″) respectively between the light guide input and a first end of the interaction zone and between a second end of the interaction zone and the light guide output.