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RADIO SCIENCE,
VOL. 40,
RS3S90,
10 PP., 2005
doi:10.1029/2004RS003191
Nonlinear left-handed metamaterials
Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT, Australia
Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT, Australia
Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, Russia
Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT, Australia
Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod, Russia
Nonlinear Physics Centre, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT, Australia
We analyze nonlinear properties of microstructured materials with the negative refractive index, the so-called left-handed metamaterials. We demonstrate that the hysteresis-type dependence of the magnetic permeability on the field intensity allows changing the material properties from left to right handed and back. Using the finite difference time domain simulations, we study the wave reflection from a slab of a nonlinear left-handed material and observe generation and propagation of temporal solitons in such materials. We demonstrate also that the nonlinear left-handed metamaterials can support both transverse electric– and transverse magnetic–polarized self-trapped localized beams, spatial electromagnetic solitons. Such solitons appear as single-hump and multihump beams, being either symmetric or antisymmetric, and they can exist because of the hysteresis-type magnetic nonlinearity and the effective domains of negative magnetic permeability.
Received 15 October 2004; accepted 15 February 2005; published 6 May 2005.
Citation: (2005), Nonlinear left-handed metamaterials, Radio Sci., 40, RS3S90, doi:10.1029/2004RS003191.
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