Search Results - "Silva, Sinhara R."

Surface-wave-assisted nonreciprocity in spatio-temporally modulated metasurfaces by Cardin, Andrew E., Silva, Sinhara R., Vardeny, Shai R., Padilla, Willie J., Saxena, Avadh, Taylor, Antoinette J., Kort-Kamp, Wilton J. M., Chen, Hou-Tong, Dalvit, Diego A. R., Azad, Abul K.

“…Emerging photonic functionalities are mostly governed by the fundamental principle of Lorentz reciprocity. Lifting the constraints imposed by this principle…”
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Metasurface-based varifocal Alvarez lens at microwave frequencies by Goldhaber-Gordon, Zev, Tang, Andrew D, Corbella Bagot, Conrad, Mokim, Mohammad, Silva, Sinhara R, Cardin, Andrew E, Azad, Abul K, Chen, Hou-Tong

“…Lenses with a tunable focus are highly desirable but remain a challenge. Here, we demonstrate a microwave varifocal meta-lens based on the Alvarez lens…”
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Angle-Dependent Spoof Surface Plasmons in Metallic Hole Arrays at Terahertz Frequencies by Bhattarai, Khagendra, Silva, Sinhara R., Urbas, Augustine, Sang Jun Lee, Zahyun Ku, Jiangfeng Zhou

“…We demonstrate the angle dependence of spoof surface plasmon on metallic hole arrays in terahertz regime. By varying polar angle and azimuthal angle, we have…”
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Metasurface-based ultra-lightweight high-gain off-axis flat parabolic reflectarray for microwave beam collimation/focusing by Silva, Sinhara R., Rahman, Abdur, de Melo Kort-Kamp, Wilton, Rushton, Jeremiah J., Singleton, John, Taylor, Antoinette J., Dalvit, Diego A. R., Chen, Hou-Tong, Azad, Abul K.

“…Ultra-lightweight deployable antennas with high-gain are pivotal communication components for small satellites, which are intrinsically constrained in size,…”
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Dynamical Wave-Front Shaping and Extreme Nonreciprocity with Spatio-Temporal Modulated Metasurfaces by Cardin, Andrew E., Silva, Sinhara R., Vardeny, Shai. R., Kort-Kamp, Wilton J. M., Chen, Hou-Tong, Dalvit, Diego A. R., Azad, Abul K., Padilla, Willie

“…The control and manipulation of electromagnetic waves play a critical role in attaining enhanced performance of photonic systems. Spatio-temporal modulated…”
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Metasurface-based ultra-lightweight high-gain off-axis flat parabolic reflectarray for microwave beam collimation/focusing by Silva, Sinhara R., Rahman, Abdur, de Melo Kort-Kamp, Wilton, Rushton, Jeremiah J., Singleton, John, Taylor, Antoinette J., Dalvit, Diego A. R., Chen, Hou-Tong, Azad, Abul K.

“…Abstract Ultra-lightweight deployable antennas with high-gain are pivotal communication components for small satellites, which are intrinsically constrained in…”
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Enhanced Second-harmonic Generation Using Nonlinear Metamaterials by Silva, Sinhara R, Battarai, Khagendra, Shields, Alexander, Zhou, Jiangfeng

“…We demonstrate a nonlinear metamaterial which enhance higher order harmonics in microwave frequency regime. Nonlinearity in the structure is introduced by…”
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Tunable Optical Bistability and Optical Switching by Nonlinear Metamaterials by Silva, Sinhara R, Shields, Alexander D, Zhou, Jiangfeng

“…We demonstrate a nonlinear metamaterial in microwave frequency regime with hysteresis effect and bistable states, which can be utilized as a remotely…”
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Extreme Nonreciprocity with Spatio-Temporally Modulated Metasurfaces by Cardin, Andrew E, Silva, Sinhara R, Vardeny, Shai. R, Padilla, Willie J, Saxena, A, Taylor, Antoinette J, Kort-Kamp, Wilton J. M, Chen, Hou-Tong, Dalvit, Diego A. R, Azad, Abul K

“…Emerging photonic functionalities are mostly governed by the fundamental principle of Lorentz reciprocity. Lifting the constraints imposed by this principle…”
Get full text