142 citations · 144 across the 4 of their papers we have counts for
4 papers
Extreme Nonreciprocity with Spatio-Temporally Modulated Metasurfaces
Andrew E. Cardin, Sinhara R. Silva, Shai. R. Vardeny +7
Emerging photonic functionalities are mostly governed by the fundamental principle of Lorentz reciprocity. Lifting the constraints imposed by this principle could circumvent delete…
Enhanced Second-harmonic Generation Using Nonlinear Metamaterials
Sinhara R Silva, Khagendra Battarai, Alexander Shields +1
We demonstrate a nonlinear metamaterial which enhance higher order harmonics in microwave frequency regime. Nonlinearity in the structure is introduced by adding a varactor diode i…
Tunable Optical Bistability and Optical Switching by Nonlinear Metamaterials
Sinhara R Silva, Alexander D Shields, Jiangfeng Zhou
We demonstrate a nonlinear metamaterial in microwave frequency regime with hysteresis effect and bistable states, which can be utilized as a remotely controllable micro second swit…
Metamaterial Perfect Absorber Analyzed by a Meta-cavity Model Consisting of Multilayer Metasurfaces
Khagendra Bhattarai, Sinhara Silva, Kun Song +4
We demonstrate that the metamaterial perfect absorber behaves as a meta-cavity bounded between a resonant metasurface and a metallic thin-film reflector. The perfect absorption is…