TY - JOUR
T1 - Nonlinear graphene plasmonics
T2 - Amplitude equation for surface plasmons
AU - Gorbach, A.V.
PY - 2013/1/25
Y1 - 2013/1/25
N2 - Using perturbation expansion of Maxwell equations, an amplitude equation is derived for nonlinear transverse magnetic (TM) and transverse electric (TE) surface plasmon waves supported by graphene. The equation describes the interplay between in-plane beam diffraction and nonlinearity due to light intensity induced corrections to graphene conductivity and susceptibility of dielectrics. For strongly localized TM plasmons, graphene is found to bring the superior contribution to the overall nonlinearity. In contrast, nonlinear response of the substrate and cladding dielectrics can become dominant for weakly localized TE plasmons.
AB - Using perturbation expansion of Maxwell equations, an amplitude equation is derived for nonlinear transverse magnetic (TM) and transverse electric (TE) surface plasmon waves supported by graphene. The equation describes the interplay between in-plane beam diffraction and nonlinearity due to light intensity induced corrections to graphene conductivity and susceptibility of dielectrics. For strongly localized TM plasmons, graphene is found to bring the superior contribution to the overall nonlinearity. In contrast, nonlinear response of the substrate and cladding dielectrics can become dominant for weakly localized TE plasmons.
UR - http://www.scopus.com/inward/record.url?scp=84873020106&partnerID=8YFLogxK
UR - http://dx.doi.org/10.1103/PhysRevA.87.013830
U2 - 10.1103/PhysRevA.87.013830
DO - 10.1103/PhysRevA.87.013830
M3 - Article
AN - SCOPUS:84873020106
SN - 1050-2947
VL - 87
JO - Physical Review A: Atomic, Molecular, and Optical Physics
JF - Physical Review A: Atomic, Molecular, and Optical Physics
IS - 1
M1 - 013830
ER -