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Related Experiment Video

Updated: Dec 21, 2025

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
12:18

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

17.4K

Push-pull microring-assisted space-and-wavelength selective switch.

Yishen Huang, Qixiang Cheng, Anthony Rizzo

    Optics Letters
    |May 16, 2020
    PubMed
    Summary
    This summary is machine-generated.

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    We developed a new space-and-wavelength selective switch using microring-assisted Mach-Zehnder interferometers. This novel design offers efficient, compact optical switching with high performance for future communication networks.

    Area of Science:

    • Photonics
    • Optical Communications
    • Integrated Optics

    Background:

    • Existing optical switches often require complex architectures, including wavelength (de)multiplexers or parallel planes.
    • Developing compact and efficient devices for space-and-wavelength selective switching is crucial for advanced optical networks.

    Purpose of the Study:

    • To introduce a novel design for a space-and-wavelength selective switch.
    • To demonstrate the capabilities of microring-assisted Mach-Zehnder interferometers in optical switching applications.

    Main Methods:

    • Utilized microring-assisted Mach-Zehnder interferometers with overcoupled microring resonators.
    • Employed a push-pull scheme for driving the phase shifters.
    • Designed and demonstrated a 2×2×2λ elementary switch block.

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    Related Experiment Videos

    Last Updated: Dec 21, 2025

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    Published on: August 5, 2013

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    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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    Main Results:

    • Achieved full spatial and spectral switching capabilities.
    • Exceeded 21 dB in crosstalk suppression and extinction ratio.
    • Measured over 75 GHz optical bandwidth per channel.
    • Demonstrated a low power penalty (<1.5 dB at 10⁻⁹ BER) with simultaneous 32 Gbps signals.

    Conclusions:

    • The proposed microring-assisted Mach-Zehnder interferometer switch offers a compact and high-performance solution.
    • This technology enables advanced switch fabrics without requiring wavelength (de)multiplexers or parallel planes.
    • Paves the way for more efficient and scalable optical network architectures.