Semiclassical limits to the linewidth of an atom laser
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Johnsson, Mattias; Haine, S.; Hope, Joseph; Robins, Nicholas; Figl, Cristina; Jeppesen, M; Dugue, J; Close, John
Description
We investigate the linewidth of a quasicontinuous atom laser within a semiclassical framework. In the high flux regime, the lasing mode can exhibit a number of undesirable features such as density fluctuations. We show that the output therefore has a complicated structure that can be somewhat simplified using Raman outcoupling methods and energy-momentum selection rules. In the weak outcoupling limit, we find that the linewidth of an atom laser is instantaneously Fourier limited, but, due to...[Show more]
Collections | ANU Research Publications |
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Date published: | 2007 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/26678 |
Source: | Physical Review A: Atomic, Molecular and Optical Physics |
DOI: | 10.1103/PhysRevA.75.043618 |
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