Absolute spectral gaps for infrared light and hypersound in three-dimensional metallodielectric phoxonic crystals

Papanikolaou, N.; Psarobas, I. E.; Stefanou, N.
June 2010
Applied Physics Letters;6/7/2010, Vol. 96 Issue 23, p231917
Academic Journal
By means of full electrodynamic and elastodynamic multiple-scattering calculations we study the optical and acoustic properties of three-dimensional lattices of metallic nanospheres implanted in a dielectric host. Our results show that such structures exhibit omnidirectional spectral gaps for both telecom infrared light and hypersound, with relatively low absorptive losses. This class of dual (phoxonic) band-gap materials is an essential step toward the hypersonic modulation of light and could lead to the development of efficient acousto-optical devices.


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