Provided are a tunable demultiplexer and a tunable laser, having an optical deflector in which a refractive index of a core layer of a deflection pattern region having a predetermined shape varies in response to an external electrical signal so that the optical deflector deflects incident light in the...http://www.google.es/patents/US7136553?utm_source=gb-gplus-sharePatente US7136553 - Tunable demultiplexer and tunable laser with optical deflector
Tunable demultiplexer and tunable laser with optical deflector
