Abstract
The coherence properties of a transient electron-hole state developing during superradiance emission in semiconductor laser structures have been studied experimentally using a Michelson interferometer and Young's classic double-slit configuration. The results demonstrate that, in the lasers studied, the first-order correlation function, which quantifies spatial coherence, approaches unity for superradiant emission and is 0.2-0.5 for laser emission. The supercoherence is due to long-range ordering upon the superradiant phase transition.
| Original language | English |
|---|---|
| Pages (from-to) | 1081-1086 |
| Number of pages | 6 |
| Journal | Quantum Electronics |
| Volume | 42 |
| Issue number | 12 |
| DOIs | |
| Publication status | Published - 1 Dec 2012 |
Keywords
- Coherence
- Interference pattern
- Semiconductor laser structures
- Superradiance
- Young's experiment
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Statistical and Nonlinear Physics
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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