565 citations · 821 across the 9 of their papers we have counts for
8 papers · 1 filter
Nonlinearity in the Dark: Broadband Terahertz Generation with Extremely High Efficiency
Ming Fang, Nian-Hai Shen, Wei E. I. Sha +3
Plasmonic metamaterials and metasurfaces offer new opportunities in developing high performance terahertz emitters and detectors beyond the limitations of conventional nonlinear ma…
Generation of Orbital Angular Momentum by a Point Defect in Photonic Crystals
Menglin L. N. Chen, Li Jun Jiang, Wei E. I. Sha
As an attractive degree of freedom in electromagnetic (EM) waves, the orbital angular momentum (OAM) enables infinite communication channels for both classical and quantum communic…
Electrically Tunable Polarizer Based on Graphene-loaded Plasmonic Cross Antenna
Yuwei Qin, Xiaoyan Y. Z. Xiong, Wei E. I. Sha +1
The unique gate-voltage dependent optical properties of graphene make it a promising electrically-tunable plasmonic material. In this work, we proposed in-situ control of the polar…
Orbital Angular Momentum Generation and Detection by Geometric-Phase Based Metasurfaces
Menglin L. N. Chen, Li Jun Jiang, Wei E. I. Sha
We present a comprehensive review on the geometric-phase based metasurfaces for orbital angular momentum(OAM) generation and detection. These metasurfaces manipulate the electromag…
Artificial Perfect Electric Conductor-Perfect Magnetic Conductor Anisotropic Metasurface for Generating Orbital Angular Momentum of Microwave with Nearly Perfect Conversion Efficiency
Menglin L. N. Chen, Li Jun Jiang, Wei E. I. Sha
Orbital angular momentum (OAM) is a promising degree of freedom for fundamental studies in electromagnetics and quantum mechanics. The unlimited state space of OAM shows a great po…
Unidirectional and Wavelength Selective Photonic Sphere-Array Nanoantennas
Yang G. Liu, Wallace C. H. Choy, Wei E. I. Sha +1
We design a photonic sphere-array nanoantenna (NA) exhibiting both strong directionality and wavelength selectivity. Although the geometric configuration of the photonic NA resembl…