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Related Experiment Video

Updated: Jul 29, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Biphoton engineering using modal spatial overlap on-chip.

Xiangyan Ding, Jing Ma, Liying Tan

    Optics Letters
    |May 23, 2023
    PubMed
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    Researchers engineered biphoton states for quantum information processing by utilizing modal field overlap in coupled waveguides. This novel approach offers enhanced control over biphoton wave functions for on-chip quantum applications.

    Area of Science:

    • Quantum optics
    • Integrated photonics
    • Quantum information science

    Background:

    • Spontaneous parametric downconversion generates essential photon pairs for quantum information processing.
    • Biphoton state quality is critical for the performance of quantum optical systems.
    • Current on-chip biphoton wave function engineering relies on pump envelope and phase matching functions.

    Purpose of the Study:

    • To introduce modal field overlap as a new degree of freedom for engineering biphoton states on-chip.
    • To demonstrate the application of this method for generating specific quantum states.

    Main Methods:

    • Utilizing modal coupling in a system of coupled waveguides.
    • Exploring the modal field overlap as a tunable parameter.
    • Designing on-chip photonic circuits for biphoton generation.

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    Generation and Coherent Control of Pulsed Quantum Frequency Combs
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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: Jul 29, 2025

    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

    8.5K
    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

    9.0K
    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

    8.5K

    Main Results:

    • Demonstrated on-chip generation of polarization-entangled photon pairs.
    • Showcased the creation of heralded single photons.
    • Validated modal field overlap as an effective engineering parameter.

    Conclusions:

    • Modal coupling provides a new pathway for precise biphoton wave function engineering.
    • This technique enhances the capabilities of on-chip photonic quantum state generation.
    • The strategy is versatile and applicable to various waveguide platforms.