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Active modulation of light with large optical bandwidths (∼100 nm [1]) is required in photonic devices, such as modulators for fiber communications [1] and saturable absorbers for ultrafast pulse generation [2,3]. Present modulators use expensive materials, (e.g. LiNbO3 [4], III-V semiconductors [5], and Ge on silicon-on-insulator (SOI) [6]), and are limited by narrowband operation (∼20 nm for quantum-confined...
Easily tunable photonic and especially plasmonic devices have been an elusive and highly anticipated goal for the scientific community. Graphene is a promising candidate for covering this gap in the field of plasmonics and offering new exciting physics as well as commercial devices. The band structure of Graphene allows for dynamical and efficient conductivity tuning providing easy control of electrical...
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