Journal
OPTICS LETTERS
Volume 41, Issue 2, Pages 348-351Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.41.000348
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Funding
- National Natural Science Foundation of China (NSFC) [11174221, 11204218, 11404213, 61205041]
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We propose a scheme of metal/graphene plasmonic gratings for negative reflection. The existence of graphene ribbons, introducing abrupt discontinuity on tangential components of magnetic fields for scattering waves across a graphene interface, substantially alters the dispersion of surface states on plasmonic gratings such that negative reflection that is robust against the incidence angle and can be tuned in a wide frequency range as a function of Fermi energy of graphene. Circularly polarized incidence waves are reflected and split along specular and negative directions, with respective to transverse magnetic and electric polarization. Our findings are potentially helpful for light steering in integrated optical circuits. (C) 2016 Optical Society of America
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