Shot-to-shot fluctuations in the directed superradiant emission from extended atomic samples

J. P. Clemens; L. Horvath; B. C. Sanders; H. J. Carmichael

doi:10.1088/1464-4266/6/8/017

Shot-to-shot fluctuations in the directed superradiant emission from extended atomic samples

J. P. Clemens^*, L. Horvath, B. C. Sanders, H. J. Carmichael

^*Corresponding author for this work

Macquarie University College

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

We study collective spontaneous emission from arbitrary distributions of N two-state atoms using quantum trajectory theory and without an a priori single-mode assumption. Assuming a fully excited initial state, we calculate the angular distribution of the average intensity, focusing on pencil- and disc-shaped samples. The formalism is developed around an unravelling of the master equation in terms of source mode quantum jumps. A modified boson approximation is made to treat the many-atom case, where it is found that strong directional superradiance with shot-to-shot fluctuations occurs for a few hundred to a few thousand atoms.

Original language	English
Pages (from-to)	S736-S741
Number of pages	6
Journal	Journal of Optics B: Quantum and Semiclassical Optics
Volume	6
Issue number	8
DOIs	https://doi.org/10.1088/1464-4266/6/8/017
Publication status	Published - Aug 2004

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abstract = "We study collective spontaneous emission from arbitrary distributions of N two-state atoms using quantum trajectory theory and without an a priori single-mode assumption. Assuming a fully excited initial state, we calculate the angular distribution of the average intensity, focusing on pencil- and disc-shaped samples. The formalism is developed around an unravelling of the master equation in terms of source mode quantum jumps. A modified boson approximation is made to treat the many-atom case, where it is found that strong directional superradiance with shot-to-shot fluctuations occurs for a few hundred to a few thousand atoms.",

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AB - We study collective spontaneous emission from arbitrary distributions of N two-state atoms using quantum trajectory theory and without an a priori single-mode assumption. Assuming a fully excited initial state, we calculate the angular distribution of the average intensity, focusing on pencil- and disc-shaped samples. The formalism is developed around an unravelling of the master equation in terms of source mode quantum jumps. A modified boson approximation is made to treat the many-atom case, where it is found that strong directional superradiance with shot-to-shot fluctuations occurs for a few hundred to a few thousand atoms.

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Shot-to-shot fluctuations in the directed superradiant emission from extended atomic samples

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