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학술지 Hybrid Plasmonic Waveguide for Low-Loss Lightwave Guiding
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저자
김진태, 주정진, 박선택, 김민수, 박승구, Sang-Yung Shin
발행일
201002
출처
Optics Express, v.18 no.3, pp.2808-2813
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.18.002808
협약과제
09MB1700, 휴대 단말기용 나노 플렉시블 광전배선 모듈, 주정진
초록
A hybrid plasmonic waveguide structure is proposed and fabricated for low-loss lightwave guiding along a metal stripe core. By embedding Au stripe in dual slab waveguides with high refractive-index contrast, the field of the guided mode is confined more in the two dielectric core layers. Thus, the propagation loss is significantly reduced. The guided mode is like a combination of a fundamental long-range surface plasmon polariton strip mode and a dual symmetric dielectric slab mode. We fabricate 5 nm-thick Au stripe optical waveguides and measure the optical properties at a wavelength of 1.31 μm. The propagation loss is less than 1.0 dB/cm with the metal stripe width of 1-5 μm. © 2010 Optical Society of America.
KSP 제안 키워드
5 nm, Dielectric Slab, Guided mode, Index contrast, Long-range surface plasmon, Optical waveguides, Propagation loss, Slab waveguide, Surface plasmon(SP), Waveguide Structure, high refractive index