The Geometric Phase |
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| Authors: | P Hariharan M Roy PA Robinson JW O'Byrne |
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| Affiliation: | School of Physics , The University of Sydney , New South Wales, 1006, Australia |
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| Abstract: | Abstract The change in the phase of a beam of light produced by a cyclic change in its state of polarization is an example of the geometric phase that can be verified by interferometric measurements. This paper presents a quantum-field theoretical analysis of the geometric phase interferometer in the limit of a small photon number, as well as some experimental results that confirm that the optical effects due to the geometric phase persist down to the single-photon level. |
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