نتایج جستجو برای: nanohole arrays
تعداد نتایج: 52213 فیلتر نتایج به سال:
We demonstrate a nanopillar (NP) device structure for implementing plasmonically enhanced avalanche photodetector arrays with thin avalanche volumes (∼ 310 nm × 150 nm × 150 nm). A localized 3D electric field due to a core-shell PN junction in a NP acts as a multiplication region, while efficient light absorption takes place via surface plasmon polariton Bloch wave (SPP-BW) modes due to a self-...
The extraordinary light transmission through double-hole and elliptical nanohole arrays in a thin gold film is investigated for different orientations of the holes relative to the lattice. Even though these bases have similar symmetry characteristics, the polarization follows the orientation of the basis for the ellipse but remains fixed along a lattice vector for the double holes. Furthermore,...
Silicon photonic optical phased arrays are promising solutions for solid-state LIDAR. But the nonlinear absorption significantly saturates power in waveguides at 1.5-μm wavelengths. Besides, high refractive index contrast of silicon grating exhibits a strong diffraction strength antenna, which results limited aperture device. These ultimately place limit on detection accuracy and reach. Here, s...
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