Giant fluctuations of local optical fields in fractal clusters
- 11 April 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 72 (15), 2486-2489
- https://doi.org/10.1103/PhysRevLett.72.2486
Abstract
Giant fluctuations of the intensities of local optical fields in fractal clusters are established, dependent on a high Q factor (low dissipation) of an optical resonance. We have shown that the nonlinear-optical enhancement by fractals is due to these fluctuations and not to a high mean magnitude of the local field. We have calculated the distribution function P(G) of a relative local-field intensity G and found a new scaling dependence, P(G)∝, with the index ɛ independent of an excitation frequency and dissipation rate.
Keywords
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