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학술지 Thermo-Optic Mode Extinction Modulator Based on Graphene Plasmonic Waveguide
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저자
김진태, 정광효, 최춘기
발행일
201307
출처
Optics Express, v.21 no.13, pp.15280-15286
ISSN
1094-4087
출판사
Optical Society of America(OSA)
DOI
https://dx.doi.org/10.1364/OE.21.015280
협약과제
13ZE1100, ETRI 창의연구실 사업, 손승원
초록
We developed a thermo-optic (TO) mode extinction modulator based on graphene plasmonic waveguide. For compact device design and fabrication, the graphene plasmonic waveguide and heating element are configured all-in-one. Thermally induced inhomogeneous refractive-index distribution of the polymer near the microribbon cut off the long-range surface plasmon polariton (LRSPP) stripe mode propagating along a graphene microribbon. Numerical modeling are conducted on the timedependent temperature (and hence the refractive-index) distribution by resistive heating element inside the graphene TO modulator. Experimental results demonstrate 30 dB attenuation with 12 mW electrical power injection at a telecom wavelength and exhibit a good agreement with the thermal modeling. © 2013 Optical Society of America.
KSP 제안 키워드
All-in-one, Compact device, Design and fabrication, Electrical power, Heating element, Long-range surface plasmon, Numerical modeling, Surface plasmon(SP), Thermal Modeling, Thermally induced, Thermo-optic