Rectification of energy transport in nonlinear metamaterials via ratchets

Biswas, Piyalee; Das, Santanu; Sarkar, Pranab; Choudhary, Kamal; Baidya, Prasanta; Giri, Pradipta; Ghosal, Aniruddha; Bandyopadhyay, Amitava

doi:10.1088/0022-3727/46/20/205102

Cited by 3 publications

(1 citation statement)

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“…For example, the design of non-linear electromagnetic components based on photonic crystals allowed to realize the optical counterpart of the basic electronic devices such as diodes, transistors and so on [1,2]. The idea of rectifying energy transport has been explored in terms of ratchet solitons as well [3]. Moreover, the enhancement of second order non-linear effects in photonic crystals paves the way of devising much more faster circuits for information treatment (all optical technologies) keeping reduced dimensions compatible with integration requirements [1,2].…”

Section: Introductionmentioning

confidence: 99%

Tuning the elastic nonlinearities in composite nanomaterials

Guerder¹,

Giordano²,

Matar³

et al. 2015

J. Phys.: Condens. Matter

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The possibility of tuning the nonlinear effective response of composite materials and structures is of great importance for developing new concepts such as soft metamaterials, acoustic diodes, nonlinear waveguides and phononic crystals. In this paper we develop a homogenization technique for dispersions of nonlinear particles in a soft matrix able to take account of second and third order elastic nonlinearities. Based on this method, we prove the possibility to strongly amplify a given particles nonlinearity (either the second or the third one) under specific conditions concerning the linear response of the two constituents (particles and matrix). We finally give a realistic example based on a population of porous polymer particles embedded in a PDMS matrix.

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