Journal
OPTICAL MATERIALS EXPRESS
Volume 2, Issue 6, Pages 771-781Publisher
OPTICAL SOC AMER
DOI: 10.1364/OME.2.000771
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- College of Science and Technology at Central Michigan University
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A parameterization of the dispersive conductivity of highly-doped graphene has been developed and is presented for use in finite-difference time-domain simulation of near infrared graphene-based photonic and plasmonic devices. The parameterization is based on fitting a Pade approximant to the conductivity arising from interband electronic transitions. The resulting parameterization provides an accurate spectral representation of the conductivity in the wavelength range 1.3 - 2.3 mu m which is important for near infrared graphene plasmonics. Finite-difference time-domain simulations of straight graphene plasmonic waveguides of infinite and finite width are presented. (C) 2012 Optical Society of America
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