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Related Experiment Video

Updated: Apr 17, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Published on: April 4, 2017

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Precision limits in precision-aligned direct-drive and direct-detection architectures for photonic computing.

Chun Gao, Chenlei Li, Yiwei Xie

    Optics Letters
    |April 15, 2026
    PubMed
    Summary
    This summary is machine-generated.

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    Photonic computing

    Area of Science:

    • Photonics
    • Optical computing
    • Integrated photonics

    Background:

    • On-chip photonic computing offers parallelism and low latency for tasks like neural networks.
    • The impact of photonic modulator nonlinearity on computing accuracy is not well understood.
    • Current systems use energy-inefficient digital post-processing.

    Purpose of the Study:

    • To propose a direct-drive and direct-detection (D4) architecture for simplified photonic-electronic interfacing.
    • To analyze precision limitations imposed by modulation nonlinearity in Mach-Zehnder interferometers (MZIs) and microring resonators (MRRs).

    Main Methods:

    • Developed a theoretical model to assess precision constraints from modulation nonlinearity.
    • Analyzed the performance of MRRs and MZIs within the proposed D4 architecture.

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    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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    Related Experiment Videos

    Last Updated: Apr 17, 2026

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
    12:19

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

    Published on: April 4, 2017

    9.0K
    Generation and Coherent Control of Pulsed Quantum Frequency Combs
    06:42

    Generation and Coherent Control of Pulsed Quantum Frequency Combs

    Published on: June 8, 2018

    9.8K
    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
    07:56

    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference

    Published on: September 5, 2019

    9.1K

    Main Results:

    • Both MRRs and MZIs achieve approximately 7 effective number of bits (ENOBs).
    • Detector shot noise is identified as a primary limitation.
    • High precision (8-16 bits) for analog photonic computing faces fundamental challenges.

    Conclusions:

    • Current photonic computing architectures face inherent precision limitations.
    • Achieving high-bit-precision analog photonic computing requires overcoming fundamental challenges.
    • Future development must address nonlinearity and noise in photonic devices.