Dielectric-loaded surface plasmon-polariton waveguides at telecommunication wavelengths: Excitation and characterization

被引：73

作者：

Holmgaard, Tobias ^{[1
]}

Bozhevolnyi, Sergey I. ^{[1
]}

Markey, Laurent ^{[2
]}

Dereux, Alain ^{[2
]}

机构：

[1] Aalborg Univ, Dept phys & Nanotechnol, DK-9220 Aalborg, Denmark

[2] Univ Bourgogne, CNRS, UMR 5209, Inst Carnot Bourgogne, F-21078 Dijon, France

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 01期

关键词：

D O I：

10.1063/1.2825588

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The excitation and propagation of strongly confined surface plasmon-polariton (SPP) waveguide modes, supported by 500-nm-wide and 550-nm-high dielectric ridges fabricated on smooth gold films, are investigated at telecommunication wavelengths using a scanning near-field optical microscope. Different tapering structures for coupling of SPPs, excited at bare gold surfaces, into dielectric-loaded SPP waveguide (DLSPPW) modes are considered. The DLSPPW mode confinement and propagation loss are characterized. The DLSPPW mode propagation along an S bend having the smallest curvature radius of 2.48 mu m is shown, demonstrating the potential of DLSPPW technology for the realization of high-density photonic integrated circuits. (c) 2008 American Institute of Physics.

引用

页数：3

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