The optical loss of graphene can be tuned by shifting its Fermi level. We demonstrated that this tuning can be used for in a high-speed optical modulator at telecommunication wavelength.
© 2012 OSA
M. Liu and X. Zhang, "Graphene-based Optical Modulators," in Optical Fiber Communication Conference, OSA Technical Digest (Optical Society of America, 2012), paper OTu1I.7.
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