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Stimulated emission from a single excited atom in a waveguide
1Department of Applied Physics, Stanford University, Stanford, California 94305, USA. edenr@stanford.edu
Physical Review Letters
|May 1, 2012
Summary
We investigated stimulated emission in a two-level atom interacting with a single photon. Strong photon correlations significantly influence emission, and the photon pulse duration affects atomic lifetime.
Area of Science:
- Quantum optics
- Atomic physics
- Photonics
Background:
- Investigating light-matter interactions is crucial for quantum technologies.
- Stimulated emission is a fundamental quantum optical process.
Purpose of the Study:
- To analyze stimulated emission from a two-level atom interacting with a single photon.
- To understand the role of photon correlations and pulse duration in this process.
Main Methods:
- Theoretical study of a two-level atom coupled to a single-mode waveguide.
- Analysis of stimulated emission dynamics under single-photon excitation.
Main Results:
- Strong photon correlations induced by the atom significantly enhance stimulated emission.
- The temporal duration of the incident single-photon pulse critically affects stimulated emission and the atom's effective lifetime.
Conclusions:
- Photon correlations are a key factor in atom-waveguide interactions.
- Controlling single-photon pulse duration offers a method to manipulate atomic emission and lifetime.
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