28 October 1992 Observation of geometric phase in optical spectroscopy
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Proceedings Volume 1726, 1992 Shanghai International Symposium on Quantum Optics; (1992) https://doi.org/10.1117/12.130462
Event: 1992 Shanghai International Symposium on Quantum Optics, 1992, Shanghai, China
Abstract
We report the first observation of the geometric phase of a quantum system driven by laser fields. The observable geometric phase effects in optical FM spectroscopy, here distinguished from various known lineshape changes due to spectroscopic or technical causes, are characterized by the following aspects: (1) Dramatic lineshape variation of the optical heterodyne signal due to a monotonic signal phase change with increasing probe power; (2) The lineshape changes are associated with a nearly pure phase-change effect; and (3) The phase-change rate with probe power depends on rf sideband frequency, and less strongly on the rf modulation index.
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Huirong R. Xia, Huirong R. Xia, Stephen D. Swartz, Stephen D. Swartz, John L. Hall, John L. Hall, } "Observation of geometric phase in optical spectroscopy", Proc. SPIE 1726, 1992 Shanghai International Symposium on Quantum Optics, (28 October 1992); doi: 10.1117/12.130462; https://doi.org/10.1117/12.130462
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