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Optical beam steering using a multichannel lithium tantalate crystal.

R A Meyer

    Applied Optics
    |January 30, 2010
    PubMed
    Summary

    This study introduces a novel multichannel phase modulator using lithium tantalate, achieving high-speed phase modulation compatible with microelectronics. The device demonstrates effective beam steering capabilities for optical phased array antennas.

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    Area of Science:

    • Photonics and Optical Engineering
    • Materials Science

    Background:

    • Phase modulation is crucial for optical signal processing and communication.
    • Developing high-speed, efficient phase modulators is essential for advanced optical systems.

    Purpose of the Study:

    • To describe a multichannel phase modulator utilizing lithium tantalate.
    • To characterize its electrooptic properties for high-speed applications.
    • To investigate its beam steering capabilities as a one-dimensional optical phased array antenna.

    Main Methods:

    • Utilized the electrooptic properties of lithium tantalate for phase modulation.
    • Integrated a multichannel design for optical phased array applications.
    • Evaluated modulator speed and 2pi voltage for microelectronics compatibility.
    • Characterized beam steering performance for a 46-channel device.

    Main Results:

    • The developed phase modulator exhibits speed and 2pi voltage suitable for high-speed microelectronics.
    • Demonstrated effective beam steering properties characteristic of a one-dimensional optical phased array antenna.
    • Presented specific beam steering results for a forty-six-channel modulator.

    Conclusions:

    • The lithium tantalate multichannel phase modulator is a viable component for high-speed optical systems.
    • The device shows promise for applications requiring precise optical beam steering.
    • The modulator's performance is compatible with the demands of modern microelectronic integration.

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