Patent ID: 8693811

Claim:
An optoelectronic component for controlling an optical signal travelling in a micro-waveguide, the component including a substrate comprising: a first semiconductor layer including a surface and a rib projecting outwardly from said surface; at least one second semiconductor layer; and at least one insulator layer between said first semiconductor layer and said at least one second semiconductor layer, wherein said micro-waveguide comprises an active area centered on or surrounding an optical mode created by said rib and located between a P type doped area and an N type doped area, called main doped areas, forming a diode between them, said P or N main doped areas being connected to two electrodes arranged on either side of said active area, laterally or vertically, and making it possible to polarize said diode, at least one of said first semiconductor layer, said at least one second semiconductor layer and said at least one insulator layer including a modified structure configured for reducing the influence of the capacitive effect formed between the main doped areas and said at least one second semiconductor layer.