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Journal Article Temperature Dependence of Symmetric and Asymmetric Structured Au Stripe Waveguides
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Authors
Suntak Park, Min-su Kim, Jung Jin Ju, Jin Tae Kim, Seung Koo Park, Jong-Moo Lee, Wook-Jae Lee, Myung-Hyun Lee
Issue Date
2010-09
Citation
Optics Communications, v.283, no.17, pp.3267-3270
ISSN
0030-4018
Publisher
Elsevier
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1016/j.optcom.2010.04.052
Project Code
09MB1700, Nano flexible opto-electric PCB module for portable display, Ju Jung Jin
Abstract
The thermal effects on pigtailed 22-nm-thick, 5-μm-wide and 1-cm-long Au stripe long-range surface plasmon polariton (LRSPP) waveguides, embedded in polymer/polymer layers and in polymer/silica layers, are theoretically and experimentally demonstrated. The polymer and silica cladding layers have thermooptic coefficients of opposite signs. As the temperature varies the Au stripe LRSPP waveguide embedded in the polymer/polymer layers retains its symmetry in the refractive index, but that embedded in the polymer/silica layers becomes asymmetric in the refractive index. The thermal sensitivity in the optical output power of the symmetric structure is smaller than 0.02 dB/°C but the sensitivity of the asymmetric structure is ~0.3 dB/°C. These structures open up potential applications of the LRSPP waveguides for temperature independent/dependent photonic devices. © 2010 Elsevier B.V. All rights reserved.
KSP Keywords
Asymmetric structure, Cladding layer, Long-range surface plasmon, Output power, Potential applications, Surface plasmon(SP), Symmetric and asymmetric, Thermal sensitivity, photonic devices, polymer layer, refractive index