Patent ID: 7583866

Claim:
An optoelectronic system for sensing an electric field signal, comprising: An optically modulated scattering module to convert an electric field signal into a modulated scattering signal based on an optical modulation signal, wherein the optically modulated scattering module comprises at least one optically modulated scattering including: A substrate; At least one scattering antenna having a first conductive segment and a second conductive segment disposed on the substrate; At least one optical switch connected to the first conductive segment and the second conductive segment; and At least one optical waveguide configured to transmit the optical modulation signal to the optical switch; An optoelectronic sensing module to receive the modulated scattering signal; A detection circuit to detect the modulated scattering signal received by the optoelectronic sensing module based on an electric modulation signal; and A signal processing circuit electrically connected to the detection circuit and to calculate the amplitude and phase of the electric field signal, Wherein the optically modulated scattering module comprises a plurality of scattering antenna sets disposed on the substrate in an array manner, and each of the scattering antenna sets includes a first scattering antenna and a second scattering antenna perpendicular to the first scattering antenna.