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Angular dependence and absorption properties of the anapolemode of Si nano-disks
Lucia Fornasari, Marco Passoni, Franco Marabelli +3
The polarization- and angle- resolved optical response of the anapole mode in silicon nano-disks array have been experimentally and theoretically investigated. The good agreement b…
Phase-modulated axilenses as ultra-compact spectroscopic tools
Wesley A. Britton, Yuyao Chen, Fabrizio Sgrignuoli +1
We design and characterize phase-modulated, ultra-compact, silicon-based axilens devices that combine efficient point focusing and grating selectivity within scalable 4-level phase…
Subdiffusive light transport in three-dimensional subrandom arrays
Fabrizio Sgrignuoli, Luca Dal Negro
We investigate light transport in novel three-dimensional scattering systems generated according to subrandom sequences and demonstrate subdiffusive behavior typical of wave transp…
Design of infrared microspectrometers based on phase-modulated axilenses
Yuyao Chen, Wesley A. Britton, Luca Dal Negro
We design and characterize a novel axilens-based diffractive optics platform that flexibly combines efficient point focusing and grating selectivity and is compatible with scalable…