Optoelectronic system for sensing an electric field signal

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.