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Updated: Oct 12, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Published on: April 4, 2017

Giant atom-mediated single photon routing between two waveguides.

Chen Wang, Xiao-San Ma, Mu-Tian Cheng

|November 23, 2021

Summary

This summary is machine-generated.

This study explores single photon routing using giant atoms and waveguides. Results show routing efficiency depends on atom size, with potential for unit efficiency in specific configurations for quantum device applications.

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Last Updated: Oct 12, 2025

Measurement of Quantum Interference in a Silicon Ring Resonator Photon Source

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Area of Science:

Quantum optics
Solid-state physics
Quantum information science

Background:

Giant atom system coupled with waveguides is a promising platform for quantum information processing.
Controlling single photon transport is crucial for developing quantum devices.

Purpose of the Study:

Investigate theoretically the single photon scattering and routing properties.
Analyze the influence of giant atom size on routing efficiency.
Explore methods to enhance routing efficiency for practical applications.

Main Methods:

Utilized a real-space Hamiltonian approach for theoretical investigation.
Calculated four scattering amplitudes to study photon routing.
Examined different waveguide configurations, including terminated waveguides.

Main Results:

Single photon routing properties are significantly dependent on the size of the giant atom.
A terminated waveguide configuration allows for unit efficiency photon transfer.
The physical mechanism behind the observed routing behavior was discussed.

Conclusions:

Giant atom size is a critical parameter for controlling single photon routing.
Unit efficiency photon transfer is achievable with optimized waveguide configurations.
The findings offer valuable insights for quantum information processing and the design of single-photon-level quantum devices.