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Microwave Photonics Systems Based on Whispering-gallery-mode Resonators
Published on: August 5, 2013
Controllable scattering of a single photon inside a one-dimensional resonator waveguide
Lan Zhou1, Z R Gong, Yu-Xi Liu
1Advanced Science Institute, The Institute of Physical and Chemical Research (RIKEN), Wako-shi 351-0198, Japan.
Physical Review Letters
|October 15, 2008
Summary
A controllable two-level system acts as a quantum switch, controlling single photon transport in a waveguide. This research paves the way for novel quantum devices and experimental setups.
Area of Science:
- Quantum optics
- Solid-state physics
- Quantum information science
Background:
- Coherent transport of single photons is crucial for quantum communication and computation.
- Coupled-resonator waveguides provide a platform for controlling light-matter interactions.
- Two-level systems are fundamental quantum elements for manipulating quantum states.
Purpose of the Study:
- To analyze the coherent transport of a single photon in a one-dimensional coupled-resonator waveguide.
- To investigate the role of a controllable two-level system in scattering single photons.
- To unify low and high energy effective theories for single-photon scattering.
Main Methods:
- Utilizing discrete coordinates for theoretical analysis.
- Modeling single-photon scattering by a controllable two-level system.
- Developing an approach that unifies different energy regimes.
Main Results:
- Demonstrated that a controllable two-level system can function as a quantum switch for single photons.
- Showcased the unification of low and high energy effective theories for single-photon scattering.
- Proposed an experimental setup using superconducting transmission line resonators and qubits.
Conclusions:
- The controllable two-level system offers precise control over single-photon transport.
- This work provides a theoretical framework applicable to various quantum systems.
- The findings may lead to the development of advanced electro-optical single-photon quantum devices.
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