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Optical Materials Express

Optical Materials Express

  • Editor: David J. Hagan
  • Vol. 2, Iss. 6 — Jun. 1, 2012
  • pp: 771–781

Padé approximant spectral fit for FDTD simulation of graphene in the near infrared

Adam Mock  »View Author Affiliations

Optical Materials Express, Vol. 2, Issue 6, pp. 771-781 (2012)

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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 Padé 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 – 2.3μm 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.

© 2012 OSA

OCIS Codes
(000.4430) General : Numerical approximation and analysis
(230.7370) Optical devices : Waveguides
(240.6680) Optics at surfaces : Surface plasmons
(240.6690) Optics at surfaces : Surface waves
(160.4236) Materials : Nanomaterials
(350.4238) Other areas of optics : Nanophotonics and photonic crystals

ToC Category:
IR Materials

Original Manuscript: March 15, 2012
Revised Manuscript: April 23, 2012
Manuscript Accepted: April 26, 2012
Published: May 7, 2012

Virtual Issues
Nanocarbon for Photonics and Optoelectronics (2012) Optical Materials Express

Adam Mock, "Padé approximant spectral fit for FDTD simulation of graphene in the near infrared," Opt. Mater. Express 2, 771-781 (2012)

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