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Characterization of SiN Integrated Optical Phased Arrays on a Wafer-Scale Test Station
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Nearest neighbors phase control for optical phased array communications.

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    This summary is machine-generated.

    This study introduces a novel tiled phase control architecture for optical phased arrays, eliminating the need for large focusing optics. This modular design enables efficient beam steering and arbitrary phase control for advanced optical communication systems.

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    Area of Science:

    • Optics and Photonics
    • Optical Communications
    • Array Signal Processing

    Background:

    • Optical phased arrays (OPAs) offer non-mechanical beam steering and scalability for communications.
    • Current OPA designs often rely on large lenses for array sampling and focusing.
    • Modularity in OPAs enhances reliability and simplifies manufacturing.

    Purpose of the Study:

    • To develop a new OPA architecture that removes the requirement for large focusing optics.
    • To demonstrate arbitrary phase control and beam steering capabilities.
    • To enable modular and scalable OPA systems for optical communication.

    Main Methods:

    • Implementation of a tiled phase control architecture.
    • Utilizing an in-line modular geometry with one detector per array element.
    • Experimental validation of arbitrary phase control and beam steering.

    Main Results:

    • Successfully eliminated the need for a large focusing optic.
    • Achieved arbitrary phase control and precise beam steering.
    • Demonstrated a modular architecture suitable for scalable OPA applications.

    Conclusions:

    • The proposed tiled phase control architecture offers a promising alternative for OPA development.
    • This design facilitates enhanced modularity, scalability, and performance in optical communication.
    • The architecture is well-suited for various optical phased array applications beyond communication.