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Optical Bistability of Metallic Particle Composites
Author(s) -
Pan Tao,
Li ZhenYa
Publication year - 1999
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/(sici)1521-3951(199905)213:1<203::aid-pssb203>3.0.co;2-h
Subject(s) - volume fraction , dielectric , materials science , bistability , optical bistability , metal , composite material , nonlinear system , particle (ecology) , condensed matter physics , nonlinear optics , physics , optoelectronics , quantum mechanics , oceanography , metallurgy , geology
The intrinsic optical bistability of nonlinear composites, in which linear small metallic spherical particles are embedded in a weakly nonlinear dielectric host is investigated by using the self‐consistent mean‐field approximation and spectral representation. It is found that the threshold intensity strongly depends on the metallic volume fraction and component properties, and there exists a critical volume fraction of metallic particles; beyond the critical fraction, bistability cannot be observed.