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Quasi-light Storage for Optical Data Packets
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Cascaded uncoupled dual-ring modulator.

Tingyi Gu, Young-Kai Chen, Chee Wei Wong

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    Summary
    This summary is machine-generated.

    Dual-ring modulators reduce effective photon circulating time, enhancing modulation quality. This silicon ring resonator configuration improves performance at 20 Gbps compared to single-ring designs.

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    Area of Science:

    • Photonics
    • Optical Engineering
    • Materials Science

    Background:

    • Ring resonators are key components in photonic integrated circuits.
    • Modulation quality is crucial for high-speed optical communication.
    • Single-ring modulators face limitations in performance.

    Purpose of the Study:

    • To investigate the performance enhancement of a dual-ring modulator.
    • To analyze the impact of inter-ring detuning on photon dynamics.
    • To compare the dual-ring configuration with a single-ring modulator.

    Main Methods:

    • Coherent driving of two uncoupled silicon ring resonators.
    • Experimental measurement of eye diagrams.
    • Coupled mode theory simulations.

    Main Results:

    • Reduced effective photon circulating time in the dual-ring modulator.
    • Improved modulation quality, including extinction ratio and optical modulation amplitude.
    • Demonstrated enhancement at 20 Gbps with a Q factor of ~20,000.

    Conclusions:

    • The dual-ring resonator configuration offers superior performance over single-ring designs.
    • This advancement is significant for high-speed optical modulation.
    • The study validates the benefits of cascaded silicon ring resonators.