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Modified spontaneous emission from a two-dimensional photonic crystal
Yong Zeng1, Xiaoshuang Chen, Wei Lu
1National Laboratory for Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Science, 200083 Shanghai, People's Republic of China.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|December 17, 2004
Summary
This study explores how atomic decay near photonic crystals is influenced by atomic properties. Researchers found that decay can be controlled, leading to varied lifetimes during spontaneous emission.
Area of Science:
- Quantum Optics
- Condensed Matter Physics
- Materials Science
Background:
- Two-level atoms are fundamental quantum systems.
- Photonic crystals offer control over light propagation.
- Spontaneous emission is a key quantum optical process.
Purpose of the Study:
- Investigate decay kinetics of a two-level atom.
- Analyze behavior near the band edges of a 2D photonic crystal.
- Understand the influence of atomic parameters on decay.
Main Methods:
- Utilized Green's function for the evolution operator.
- Performed calculations based on theoretical models.
- Examined atomic parameters and their effect on decay.
Main Results:
- Decay kinetics are controllable by adjusting atomic parameters.
- A wide distribution of lifetimes was observed.
- Spontaneous emission dynamics were characterized.
Conclusions:
- Atomic parameters significantly influence decay near photonic band edges.
- The study reveals tunable spontaneous emission properties.
- Findings contribute to understanding light-matter interactions in nanostructures.