The role of Berry's geometric phase in the mode spectrum of a Fabry-Pérot resonator
Berry's geometric phase is a universal phenomenon which appears naturally when dealing with three-dimensional rotations. Here we will demonstrate its unexpected role in the high-resolution transmission spectrum of a two-mirror Fabry-Pérot resonator. Using analytical three-dimensional vector so...
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Published in | 2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC) p. 1 |
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Main Authors | , , , , , |
Format | Conference Proceeding |
Language | English |
Published |
IEEE
01.05.2011
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Online Access | Get full text |
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Summary: | Berry's geometric phase is a universal phenomenon which appears naturally when dealing with three-dimensional rotations. Here we will demonstrate its unexpected role in the high-resolution transmission spectrum of a two-mirror Fabry-Pérot resonator. Using analytical three-dimensional vector solutions to Maxwell's equations in spheroidal coordinates, we have calculated the first-order corrections to eigenmodes and eigenfrequencies in a Fabry-Pérot resonator in the short-wavelength limit. Analogous to atomic spectra, these analytical expressions show the "fine structure" of the spectrum of an optical resonator. Especially for high-order transverse modes with large orbital angular momentum as the one shown in the figure, the consequences are striking, leading to series of intricate mode patterns with Laguerre-Gaussian character split by their total angular momentum. |
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ISBN: | 9781457705335 1457705338 |
DOI: | 10.1109/CLEOE.2011.5943470 |