Results 161 to 170 of about 59,263 (337)
Topical issue on the fundamental aspects of nanophotonics [PDF]
, 2005 Mark I. Stockman +2 more
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Nanophotonics with charged particles
, 2023 (English) Among the fundamental constituents of matter, charged particles such electrons and positrons are leading protagonists in physical phenomena associated with small (~ meV) and high (~ MeV) energy scales. For example, conductive electrons in condensed-matter systems can collectively respond to the action of an external electromagnetic field and ...
openaire +4 more sources
Carbonized Polymer Dots‐Based Spectrally Adaptable Photonic Microbarcodes
Advanced Optical Materials, EarlyView.This study explores spectrally tunable photonics barcodes using carbonized polymer dots (CPDs) based on whispering gallery mode (WGM) photoluminescence. CPDs offer wavelength‐dependent emission from visible to near‐infrared (NIR), thereby enabling variable WGM emissions.
Barun Kumar Barman +2 more
wiley +1 more source
Computational nanophotonics in 3D [PDF]
, 2019 In this PhD Thesis, we theoretically and numerically investigate novel aspects of light propagation in three-dimensional (3D) photonic band gap crystals that open up new opportunities to tune the interaction between light and matter.We also develop highly accurate nonreflecting boundary conditions for a mixed DG discretization of the Maxwell equations ...
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Advanced Optical Materials, EarlyView.The potential of pyroelectricity for controlling electron doping in monolayer MoS2 on periodically poled LiNbO3 substrates is demonstrated. Pyroelectric charges are shown to convert p‐n into n‐p homojunctions formed in MoS2 on domain walls. The variation in the MoS2 electron density from 300 to 10 K is consistent with the change in the spontaneous ...
Javier Fernández‐Martínez +5 more
wiley +1 more source
Kilometer-Long Ordered Nanophotonic Devices by Preform-to-Fiber Fabrication [PDF]
, 2006 Mehmet Bayındır +8 more
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Advanced Optical Materials, EarlyView.An optimized fabrication approach for the nanostructuring of optical metasurfaces from van der Waals materials like hexagonal boron nitride is presented. The resonator geometries show enhanced geometric homogeneity, resulting in a significant increase in quality factors of symmetry‐protected bound states in the continuum resonances.
Jonas Biechteler +7 more
wiley +1 more source
npj NanophotonicsIn the nanoparticle-on-a-slit (NPoS) cavity, a variation of the nanoparticle-on-a-mirror geometry, a metallic nanoparticle is placed on a functionalized narrow slit created on a metal plate so that two nanometric-scale gaps enable extreme plasmonic ...
Javier Redolat +5 more
doaj +1 more source
Planar Concave Grating Demultiplexer on a Nanophotonic Silicon-on-Insulator Platform [PDF]
, 2006 Joost Brouckaert +5 more
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Pseudo‐Dichroism: Nanophotonic Induction of Chiroptical Activity in Symmetric Molecular Systems
Advanced Optical Materials, EarlyView.By analyzing vibrational circular dichroism (VCD) spectra of chiral nanomaterials, we distinguish genuine molecular chirality (true dichroism) from measurement artifacts (pseudo dichroism) using a novel, robust framework. The spectral criteria we establish apply broadly to all chiroptical techniques in nanomaterial research, enhancing precision in ...
Victor Tabouillot +7 more
wiley +1 more source