期刊
LASER & PHOTONICS REVIEWS
卷 10, 期 3, 页码 517-525出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/lpor.201500326
关键词
Nonlinear Dynamics; Nonlinear Optics; Metamaterials
资金
- U.S. Army International Technology Center Atlantic [W911NF-14-1-0315]
- EPSRC [EP/I004602/1]
- European Research Council under the European Unions Seventh Framework Programme /ERC [GA 306559]
- EPSRC [EP/M009122/1, EP/I004602/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I004602/1] Funding Source: researchfish
In recent years, unconventional metamaterial properties have triggered a revolution of electromagnetic research which has unveiled novel scenarios of wave-matter interaction. A very small dielectric permittivity is a leading example of such unusual features, since it produces an exotic static-like regime where the electromagnetic field is spatially slowly-varying over a physically large region. The so-called epsilon-near-zero metamaterials thus offer an ideal platform where to manipulate the inner details of the stretched field. Here we theoretically prove that a standard nonlinearity is able to operate such a manipulation to the point that even a thin slab produces a dramatic nonlinear pulse transformation, if the dielectric permittivity is very small within the field bandwidth. The predicted non-resonant releasing of full nonlinear coupling produced by the epsilonnear-zero condition does not resort to any field enhancement mechanism and opens novel routes to exploiting matter [GRAPHICS] nonlinearity for steering the radiation by means of ultra-compact structures.
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