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학술지 Temperature Dependence of Symmetric and Asymmetric Structured Au Stripe Waveguides
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저자
박선택, 김민수, 주정진, 김진태, 박승구, 이종무, 이욱재, 이명현
발행일
201009
출처
Optics Communications, v.283 no.17, pp.3267-3270
ISSN
0030-4018
출판사
Elsevier
DOI
https://dx.doi.org/10.1016/j.optcom.2010.04.052
협약과제
09MB1700, 휴대 단말기용 나노 플렉시블 광전배선 모듈, 주정진
초록
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.
키워드
Optical waveguide, Photonic device, Polaritons, Surface plasmon
KSP 제안 키워드
Asymmetric structure, Cladding layer, Long-range surface plasmon, Optical waveguides, Output power, Potential applications, Surface plasmon(SP), Symmetric and asymmetric, Thermal sensitivity, photonic devices, polymer layer