Patent ID: 6778726
Filing Date: 2004-08-17
Classification: G02B,G02F

Abstract:
An optical switch, comprising:a slab waveguide having a first end surface and a second end surface; a first deflection portion being fixed to the first end surface and having a plurality of deflection elements formed thereon; a second deflection portion being fixed to the second end surface and having a plurality of deflection elements formed thereon; a first waveguide portion being optically coupled to the first deflection portion and having a plurality of channel waveguides formed therein; and a second waveguide portion being optically coupled to the second deflection portion and having a plurality of channel waveguides formed therein, wherein the slab waveguide has a waveplate disposed therein and arranged at a position where the distance between the waveplate and the first end surface is substantially equal to the distance between the waveplate and the second end surface.