dorsal/arxiv
View SchemaOptical Nanotransmission Lines: Synthesis of Planar Left-Handed Metamaterials in the Infrared and Visible Regimes
| Authors | Andrea Alu, Nader Engheta |
|---|---|
| Categories | |
| ArXiv ID | physics/0603052 |
| URL | https://arxiv.org/abs/physics/0603052 |
| DOI | 10.1364/JOSAB.23.000571 |
| Journal | Journal of the Optical Society of America B, vol. 23, no. 3, pp. 571-583, March 2006 |
Abstract
Following our recent theoretical development of the concept of nano-inductors, nano-capacitors and nano-resistors at optical frequencies and the possibility of synthesizing more complex nano-scale circuits, here we theoretically investigate in detail the problem of optical nano-transmission-lines (NTL) that can be envisioned by properly joining together arrays of these basic nano-scale circuit elements. We show how, in the limit in which these basic circuit elements are closely packed together, the NTLs can be regarded as stacks of plasmonic and non-plasmonic planar slabs, which may be designed to effectively exhibit the properties of planar metamaterials with forward (right-handed) or backward (left-handed) operation. With the proper design, negative refraction and left-handed propagation are shown to be possible in these planar plasmonic guided-wave structures, providing possibilities for sub-wavelength focusing and imaging in planar optics, and laterally-confined waveguiding at IR and visible frequencies. The effective material parameters for such NTLs are derived, and the connection and analogy between these optical NTLs and the double-negative and double-positive metamaterials are also explored. Physical insights and justification for the results are also presented.
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"abstract": "Following our recent theoretical development of the concept of\nnano-inductors, nano-capacitors and nano-resistors at optical frequencies and\nthe possibility of synthesizing more complex nano-scale circuits, here we\ntheoretically investigate in detail the problem of optical\nnano-transmission-lines (NTL) that can be envisioned by properly joining\ntogether arrays of these basic nano-scale circuit elements. We show how, in the\nlimit in which these basic circuit elements are closely packed together, the\nNTLs can be regarded as stacks of plasmonic and non-plasmonic planar slabs,\nwhich may be designed to effectively exhibit the properties of planar\nmetamaterials with forward (right-handed) or backward (left-handed) operation.\nWith the proper design, negative refraction and left-handed propagation are\nshown to be possible in these planar plasmonic guided-wave structures,\nproviding possibilities for sub-wavelength focusing and imaging in planar\noptics, and laterally-confined waveguiding at IR and visible frequencies. The\neffective material parameters for such NTLs are derived, and the connection and\nanalogy between these optical NTLs and the double-negative and double-positive\nmetamaterials are also explored. Physical insights and justification for the\nresults are also presented.",
"arxiv_id": "physics/0603052",
"authors": [
"Andrea Alu",
"Nader Engheta"
],
"categories": [
"physics.optics"
],
"doi": "10.1364/JOSAB.23.000571",
"journal_ref": "Journal of the Optical Society of America B, vol. 23, no. 3, pp.\n 571-583, March 2006",
"title": "Optical Nanotransmission Lines: Synthesis of Planar Left-Handed Metamaterials in the Infrared and Visible Regimes",
"url": "https://arxiv.org/abs/physics/0603052"
},
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