Strong Magnetic Response of Optical Nanofibers

被引：21

作者：

Atakaramians, Shaghik ^{[1
]}

Miroshnichenko, Andrey E. ^{[2
]}

Shadrivov, Ilya V. ^{[2
]}

Mirzaei, Ali ^{[2
]}

Monro, Tanya M. ^{[3
]}

Kivshar, Yuri S. ^{[2
]}

Afshar, Shahraam, V ^{[3
]}

机构：

[1] Univ Sydney, Sch Phys, Inst Photon & Opt Sci, Sydney, NSW 2006, Australia

[2] Australian Natl Univ, Res Sch Phys & Engn, Nonlinear Phys Ctr, GPO Box 4, Canberra, ACT 2601, Australia

[3] Univ S Australia, Sch Engn, Laser Phys & Photon Devices Labs, Mawson Lakes, SA 5095, Australia

来源：

ACS PHOTONICS | 2016年 / 3卷 / 06期

基金：

澳大利亚研究理事会;

关键词：

optical fibers; nanophotonics; optical magnetism; multipole decomposition; coupled dipole-fiber system; SPONTANEOUS-EMISSION; MICROCAVITY; RESONANCE; METAMATERIALS; SCATTERING; FIBER; ATOM;

D O I：

10.1021/acsphotonics.6b00030

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We introduce a new platform to achieve a strong magnetic response in optical fibers with nanoscale dimension. We reveal that for a coupled dipole-fiber system an electric dipole placed near an optical nanofiber can produce strong magnetic response. We show that the magnetic and electric response of such a system depends on the orientation of the dipole source with respect to the fiber. Using the multipole expansion method, we demonstrate that it is possible to suppress the electric response and preferentially enhance the magnetic resonance of a coupled dipole-fiber system, in such a way that the energy in the magnetic mode can be made 2 orders of magnitude higher than that of the electric mode of the system. This nanophotonic system opens up new possibilities to develop low-dimensional nanodevices with enhanced magnetic response.

引用

页码：972 / 978

页数：7

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