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Related Experiment Video

Updated: Oct 12, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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Two-photon scattering and correlation in a four-terminal waveguide system.

Qingmei Hu, Junhua Dong, Jianbo Yin

    Optics Express
    |November 23, 2021
    PubMed
    Summary

    This study investigates two-photon (TP) pulse behavior in a waveguide system. Results show TP correlations can be controlled by pulse width and system design, offering new possibilities for quantum information processing.

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    Area of Science:

    • Quantum optics
    • Solid-state physics
    • Nanophotonics

    Background:

    • Understanding quantum correlations is crucial for quantum information technologies.
    • Waveguide systems with quantum emitters offer a platform for controlling quantum states.
    • Two-photon (TP) transport properties are less explored than single-photon dynamics.

    Purpose of the Study:

    • To investigate the scattering and correlation properties of two-photon (TP) pulses.
    • To analyze TP transport in a four-terminal waveguide system coupled to a Jaynes-Cummings emitter (JCE).
    • To explore the dependence of TP transmission and correlation on pulse width and system parameters.

    Main Methods:

    • Utilized the wave function approach to calculate the real-time dynamic evolution of TP transport.

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    Related Experiment Videos

    Last Updated: Oct 12, 2025

    Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source
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    Generation and Coherent Control of Pulsed Quantum Frequency Combs
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  • Analyzed TP transmission spectra and correlation properties.
  • Investigated the influence of pulse width relative to photon wavelength on TP behavior.

    • Main Results:

    • TP transmission spectra approach single-photon cases for large pulse widths, showing weak dependence.
    • TP transmission and correlation exhibit strong dependence on pulse width when comparable to photon wavelength.
    • Resonant scattering from the JCE and photon interference dictate TP correlation.

    Conclusions:

    • The four-terminal waveguide system allows for control over TP correlations.
    • TP correlations for scattered pulses differ significantly from incident pulses at small TP distances.
    • This system provides a tunable platform for manipulating quantum correlations in TP transport.