Bent electro-absorption modulator

摘要: The present invention relates to a method and device for modulating optical signals based on bending losses in bend, quantum well semiconductor waveguide sections. complex refractive index of the active semiconducting components section is modulated by applying variable electric or electromagnetic field. modulation results contrast absorption coefficient at frequency light. By carefully adjusting composition applied field relation radiation, (and possibly coupling losses) will provide extinction light guided bent section. may be while keeping substantially constant small, whereby can only losses. Alternatively, enhance ratio existing modulators such as Electro-Absorption Modulators (EAMs) which case co-operates more compact with improved performance (extinction) speed.