Nanoscale Noncoplanar Beam Splitters with Tunable Split Ratio
IEEE Photonics Journal(2020)
摘要
Beam splitters, especially those with tunable split ratios, play significant role in interferometers, spectrometers, and communication systems. To this end, we proposed a polarization-controllable beam splitter based on dielectric metasurface composed of an array of dielectric pillars. The dielectric metasurface presents phase gradients along two orthogonal directions, say, x- and y-axis, with eac...
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关键词
Optical polarization,Optical refraction,Nanoscale devices,Optical interferometry,Phased arrays,Optical devices
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