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Two-photon scattering by a driven three-level emitter in a one-dimensional waveguide and electromagnetically induced
1Department of Physics, University of California-San Diego, La Jolla, California 92093-0319, USA.
Physical Review Letters
|March 17, 2011
Summary
Correlated two-photon transport is enhanced in driven three-level emitter waveguides, exhibiting strong photon bunching due to electromagnetically induced transparency (EIT) at two-photon resonance.
Area of Science:
- Quantum optics
- Solid-state physics
- Photonic systems
Background:
- Investigating quantum phenomena in photonic waveguides is crucial for quantum information processing.
- Coupling emitters to waveguides enables control over light-matter interactions.
- Three-level systems offer unique quantum control pathways compared to two-level systems.
Purpose of the Study:
- To study correlated two-photon transport in a waveguide coupled to a driven three-level Λ-type emitter.
- To compare two-photon correlation in driven three-level emitters versus two-level emitters.
- To analyze the scaling of electromagnetically induced transparency (EIT) for single and two photons.
Main Methods:
- Theoretical modeling of photon transport through a waveguide.
- Coupling a quasi-one-dimensional photonic waveguide to a classical-field-driven three-level Λ-type emitter.
- Analysis of two-photon correlation functions and EIT spectra.
Main Results:
- Significantly stronger two-photon correlation observed for driven three-level emitters compared to two-level emitters.
- Demonstration of EIT in the driven three-level emitter waveguide system.
- Observed photon bunching for two transmitted photons at any separation when satisfying the two-photon resonance condition for EIT.
Conclusions:
- Driven three-level emitters provide enhanced control over correlated photon transport in waveguides.
- EIT in such systems facilitates strong photon bunching, essential for quantum applications.
- The findings are relevant for developing quantum optical devices and understanding light-matter interactions.
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