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Biphoton routing in few-emitter chiral waveguide quantum electrodynamics ladders
Optics Express
|December 13, 2023
Summary
This study explores two-photon routing in waveguide quantum electrodynamics (QED) systems. Chiral light-matter interactions show promise for advanced quantum networking protocols.
Area of Science:
- Quantum optics
- Solid-state physics
- Quantum information science
Background:
- Waveguide quantum electrodynamics (QED) systems enable controlled light-matter interactions.
- Chiral waveguides facilitate directional photon propagation.
- Quantum emitters coupled to waveguides are fundamental for quantum information processing.
Purpose of the Study:
- To investigate two-photon routing probabilities in waveguide QED ladders.
- To analyze routing under scattering conditions and photon-photon bound state formation.
- To assess the potential for quantum networking applications.
Main Methods:
- Theoretical analysis of two-photon routing.
- Modeling of quantum emitters coupled to chiral waveguides.
- Examination of scattering and bound state regimes.
Main Results:
- Two-photon routing efficiency analyzed for up to five quantum emitters (QEs).
- Comparison of ideal-symmetric and critical coupling scenarios.
- Photon redirection efficiency evaluated for scattering and bound state cases.
Conclusions:
- Chiral light-matter interactions are crucial for multi-photon routing.
- The findings support the development of quantum networking protocols.
- Spatially distant quantum nodes can be effectively interlinked.
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