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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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Published on: April 1, 2020

Analysis of optical-signal processing using an arrayed-waveguide grating.

H Takenouchi, H Tsuda, T Kurokawa

    Optics Express
    |April 30, 2009
    PubMed
    Summary
    This summary is machine-generated.

    This study analyzes optical signal processing using arrayed-waveguide gratings (AWGs) for frequency filters. It clarifies limitations on input pulse width and effects of phase fluctuations in AWGs.

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    Area of Science:

    • Photonics
    • Optical Engineering
    • Signal Processing

    Background:

    • Arrayed-waveguide gratings (AWGs) are key components in optical signal processing.
    • Understanding the interplay between temporal and spatial domains is crucial for AWG performance.

    Purpose of the Study:

    • To analyze optical signal processing in AWGs based on time-space conversion.
    • To derive general expressions for electric fields for designing frequency filters.
    • To investigate factors limiting input pulse width and the impact of phase fluctuations.

    Main Methods:

    • Analysis of optical signal processing using time-space conversion in an AWG.
    • Derivation of general expressions for electric fields considering waveguide effects.
    • Distinguishing temporal frequency and spatial axes at the focal plane.

    Main Results:

    • General expressions for electric fields for frequency filter design were obtained.
    • The study clarified input pulse width limitations and the windowing effect.
    • The impact of phase fluctuation within the arrayed waveguide was analyzed.

    Conclusions:

    • The analytical results provide insights into the operational limits of AWG-based frequency filters.
    • Understanding these effects is essential for optimizing optical signal processing systems.