Optical control type phased array antenna

An optical control type phased array antenna, comprising:

• an antenna array including a plurality of antenna elements for receiving a reception wave in a high frequency band lower than an optical frequency band;
• a multi-wavelength light source for outputting light including a plurality of spectral components having each of a plurality of optical frequencies different from each other;
• an optical demultiplexing circuit for separating a plurality of optical signals each having the plurality of spectral components and local oscillation light from output light of the multi-wavelength light source;
• a plurality of optical modulators for generating a plurality of modulated optical signals by modulating the plurality of optical signals with output signals of the plurality of antenna elements, respectively;
• an optical coupler for multiplexing the plurality of modulated optical signals and the local oscillation light to generate multiplexed light and dividing the multiplexed light into reception optical signals of a plurality of channels;
• and
• a plurality of optical dispersion compensators for compensating for a phase difference between the plurality of modulated optical signals by performing dispersion compensation on the reception optical signals, respectively.