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On-demand control of input-state-dependent single-photon scattering in multi-mode waveguides
Optics Express
|March 18, 2026
Summary
We developed a method to control single photon transport in multi-mode waveguides using quantum interference. This enables dynamic switching between complete transmission and reflection for scalable quantum networks.
Area of Science:
- Quantum optics
- Photonics
- Quantum information science
Background:
- Scalable quantum networks require precise control of single photon transport.
- Broadband, multi-mode waveguides present a significant challenge for photon manipulation.
Purpose of the Study:
- To propose a theoretical scheme for on-demand control of single-photon scattering.
- To engineer single-photon transport in multi-mode waveguides using quantum interference.
Main Methods:
- Utilized the Lippmann-Schwinger formalism to derive the analytical scattering matrix.
- Investigated electromagnetically induced transparency and Fano resonance.
- Analyzed quantum interference effects in the multi-mode regime.
Main Results:
- Demonstrated dynamic control of single-photon scattering via a driven Λ-type emitter.
- Achieved switching between complete transmission and dual-frequency complete reflection.
- Showcased input-state-dependent scattering for multi-mode interference control.
Conclusions:
- Developed a general framework for multi-mode quantum photonics.
- Enabled on-demand control of single-photon scattering in broadband waveguides.
- Paved the way for advanced photonic devices like filters, routers, and spectrometers.
