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Related Experiment Video

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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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An optically controlled phased array antenna based on single sideband polarization modulation.

Yamei Zhang, Huan Wu, Dan Zhu

    Optics Express
    |March 26, 2014
    PubMed
    Summary
    This summary is machine-generated.

    A new optical beamforming network enables precise control of phased array antennas. This technology allows for flexible steering of antenna radiation patterns for advanced wireless applications.

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    Area of Science:

    • Electrical Engineering
    • Optoelectronics
    • Antenna Theory

    Background:

    • Phased array antennas are crucial for modern wireless communication systems.
    • Optical control offers potential advantages in speed and bandwidth for beamforming.
    • Existing optical beamforming networks can be complex and costly.

    Purpose of the Study:

    • To propose and demonstrate a novel optically controlled phased array antenna.
    • To develop a simplified optical beamforming network (OBFN) for antenna array control.
    • To experimentally validate the performance of the proposed system.

    Main Methods:

    • A shared optical single sideband (OSSB) polarization modulator was used for phase shifting.
    • The OBFN comprised N polarization controllers (PCs), N polarization beam splitters (PBSs), and N photodetectors (PDs).
    • A 4-element linear patch antenna array operating at 14 GHz was integrated with the OBFN.

    Main Results:

    • The proposed OBFN successfully controlled the phase shifts for the antenna array elements.
    • The phased array antenna demonstrated steerable radiation patterns.
    • Achieved radiation patterns at -30°, 0°, and 30° confirmed the system's functionality.

    Conclusions:

    • The novel optically controlled phased array antenna system is feasible and effective.
    • The simplified OBFN design offers a practical approach to optical beamforming.
    • This technology has potential applications in advanced wireless communication and radar systems.