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Related Experiment Video

Updated: Apr 15, 2026

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

Published on: April 4, 2017

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Time-bin entangled photon pair generation from Si micro-ring resonator.

Ryota Wakabayashi, Mikio Fujiwara, Ken-Ichiro Yoshino

    Optics Express
    |April 4, 2015
    PubMed
    Summary
    This summary is machine-generated.

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    We generated time-bin entangled photons in the telecom wavelength using a silicon micro-ring resonator. This method achieves high photon pair generation rates and demonstrates wavelength-tunability for quantum communication applications.

    Area of Science:

    • Quantum optics
    • Integrated photonics
    • Quantum information science

    Background:

    • Spontaneous four-wave mixing (SFWM) is a key process for generating entangled photon pairs.
    • Silicon micro-ring resonators offer enhanced light-matter interaction for nonlinear optical processes.

    Purpose of the Study:

    • To demonstrate time-bin entanglement generation in the telecom wavelength band.
    • To investigate the efficiency and tunability of entangled photon pair generation using a silicon micro-ring resonator.

    Main Methods:

    • Utilized a 7 μm radius silicon micro-ring resonator.
    • Pumped the resonator with a continuous wave laser to enhance spontaneous four-wave mixing.
    • Observed time-bin entanglement and measured its visibility.
    • Demonstrated wavelength-tunability by adjusting the resonator's operation temperature.

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    Related Experiment Videos

    Last Updated: Apr 15, 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

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    Main Results:

    • Achieved a photon pair generation rate of approximately 90-100 Hz.
    • Required low laser pump power of -3.92 dBm (0.41 mW).
    • Observed time-bin entanglement with a visibility exceeding 92%.

    Conclusions:

    • Successfully generated time-bin entangled photons in the telecom wavelength using a silicon micro-ring resonator.
    • The device exhibits efficient photon pair generation and wavelength tunability.
    • This work contributes to the development of integrated quantum photonic devices for quantum communication.