Temporal dynamics of stimulated emission with applications in nuclear quantum optics
arXiv:1406.7787 · doi:10.1103/PhysRevA.91.053810
Abstract
The temporal dynamics of stimulated emission is studied, with the particular emphasis on stimulated emission induced by x-ray pulses interacting with nuclei. In typical nuclear forward scattering experiments, the short incident x-ray pulse is accompanied by a huge number of off-resonant background photons. This prompts the question, if stimulated emission can be observed in the delayed nuclear scattering signal which is emitted after the incident pulse has passed. We find that the stimulated photons essentially overlap with the stimulating pulse. To overcome this problem, we identify the reduction of the delayed scattered light intensity as alternative signature for the stimulated emission. We further study a phase-sensitive variant of stimulated emission in the low-excitation regime, which provides convenient control parameters to facilitate the detection. Finally, we analyze the possibility to observe stimulated emission in nuclei driven by free electron lasers or synchrotron radiation sources.
arXiv comment16 pages, 11 figures
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