Now showing items 513-532 of 911

    • Named Entity Recognition for Nepali Language 

      Singh, Oyesh Mann; Padia, Ankur; Joshi, Anupam (2019-08-16)
      Named Entity Recognition have been studied for different languages like English, German, Spanish and many others but no study have focused on Nepali language. In this paper we propose a neural based Nepali NER using latest ...
    • Nanocomposites for low dose gamma-ray sensor: Effect of matrix and oxidizer on the performance 

      Dayal, Vishall; Singh, Narsingh Bahadur; Su, Ching Hua; Gill, Puneet; Lee, Brit; Choa, Fow-Sen; Arnold, Bradley; Kelly, Lisa; Cullum, Brian (SPIE, 2019-05-14)
      Synthesis and crystal growth of scintillators and semiconductor materials for radiation detectors have been proven to be time consuming and very costly. Several alternative crystals such as Tl3ASSe3, TlGaSe2, Tl4HgI6, ...
    • NAttack! Adversarial Attacks to bypass a GAN based classifier trained to detect Network intrusion 

      Piplai, Aritran; Chukkapalli, Sai Sree Laya; Joshi, Anupam (2020-02-20)
    • Negative refraction and sub-wavelength focusing in the visible range using transparent metallo-dielectric stacks 

      Scalora, Michael; D’Aguanno, Giuseppe; Mattiucci, Nadia; Bloemer, Mark J.; Ceglia, Domenico de; Centini, Marco; Mandatori, Antonio; Sibilia, Concita; Akozbek, Neset; Cappeddu, Mirko G.; Fowler, Mark; Haus, Joseph W.
      We numerically demonstrate negative refraction of the Poynting vector and sub-wavelength focusing in the visible part of the spectrum using a transparent multilayer, metallo-dielectric photonic band gap structure. Our ...
    • Negative Refraction and Superresolution Using Transparent Metallo-Dielectric Stacks 

      Scalora, Michael; D'Aguanno, Giuseppe; Akozbek, Neset; Centini, Marco; de Ceglia, Domenico; Cappeddu, Mirko; Mattiucci, Nadia; Haus, Joseph; Bloemer, Mark J. (OSA Publishing, 2006)
      Negative refraction is known to occur in materials that simultaneously possess a negative electric permittivity and magnetic permeability; hence they are termed negative index materials. However, there are no known natural ...
    • Negative refraction of ultra-short electromagnetic pulses 

      Scalora, M; D’Aguanno, G.; Mattiucci, N.; Bloemer, M. J.; Haus, J.W.; Zheltikov, A. M. (Springer Nature, 2005-07-15)
      We study pulse propagation across a boundary that separates an ordinary medium from a medium with simultaneously negative dielectric permittivity and magnetic permeability. Solving Maxwell’s equations with two spatial ...
    • Negotiating agents for supply chain management 

      Chen, Ye; Peng, Yun; Finin, Tim; Labrou, Yannis; Cost, Scott (AAAI, 1999-07-01)
      A supply chain is a network of suppliers, factories, warehouses, distribution centers and retailers, through which raw materials are acquired, transformed, produced and delivered to the customer. A supply chain management ...
    • Neural connectivity analysis by using 3D TMS-EEG with source localization and sliding window coherence techniques 

      Gupta, Deepa; Du, Xiaoming; Hong, Elliot; Choa, Fow-Sen (SPIE, 2019)
      Studying electroencephalography (EEG) in response to transcranial magnetic stimulation (TMS) is gaining popularity for investigating the dynamics of complex neural architecture in the brain. For example, the primary motor ...
    • Neural Networks for Pulmonary Disease Diagnosis using Auditory and Demographic Information 

      Hosseini, Morteza; Ren, Haoran; Rashid, Hasib-Al; Mazumder, Arnab Neelim; Prakash, Bharat; Mohsenin, Tinoosh (2020-11-26)
      Pulmonary diseases impact millions of lives globally and annually. The recent outbreak of the pandemic of the COVID-19, a novel pulmonary infection, has more than ever brought the attention of the research community to the ...
    • Neuron Mid-Infrared Absorption Study for Direct Optical Excitation of Neurons 

      Guo, Dingkai; Chen, Xing; Vadala, Shilpa; Leach, Jennie; Choa, Fow-Sen (IEEE, 2011-10-09)
      Neuron optical excitations are important for brain-circuitry explorations and sensory-neuron-stimulation applications. To optimize the stimulation, we identify neuron mid-IR absorption peaks in this study and discuss their ...
    • A New Burrows Wheeler Transform Markov Distance 

      Raff, Edward; Nicholas, Charles; McLean, Mark (2019-12-30)
      Prior work inspired by compression algorithms has described how the Burrows Wheeler Transform can be used to create a distance measure for bioinformatics problems. We describe issues with this approach that were not widely ...
    • Non-phase-matched enhancement of second-harmonic generation in multilayer nonlinear structures with internal reflections 

      Centini, Marco; D’Aguanno, Giuseppe; Sciscione, Letizia; Sibilia, Concita; Bertolotti, Mario; Scalora, Michael; Bloemer, Mark J.
      Traditional notions of second-harmonic generation rely on phase matching or quasi phase matching to achieve good conversion efficiencies. We present an entirely new concept for efficient second-harmonic generation that is ...
    • Nonlinear Measures of Correlation and Dimensionality Reduction with Application to Protein Motion 

      Hong, Nancy; Jasien, Emily; Pagan, Christopher; Xie, Daniel; Coulibaly, Zana; Adragni, Kofi P.; Thorpe, Ian F. (2014)
      The study of allostery, a regulatory process that occurs in complex macromolecules such as proteins, is of particular interest as it has a key role in determining the function of these macromolecules. Allostery produces ...
    • Nonlinear mode coupling in whispering-gallery-mode resonators 

      D'Aguanno, Giuseppe; Menyuk, Curtis R. (American Physical Society, 2016-04-12)
      We present a first-principles derivation of the coupled nonlinear Schrodinger equations that govern the interaction between two families of modes with different transverse profiles in a generic whispering-gallery-mode ...
    • Nonlinear Optical Effects in Epsilon-Near-Zero Plasmonic Waveguides and Metamaterials 

      Argyropoulos, Christos; D’Aguanno, G.; Alù, Andrea (OSA Publishing, 2013)
      Nonlinear effects may be strongly enhanced in arrays of plasmonic waveguides operated at cutoff, which behave as near-zero-permittivity metamaterials. Their large phase velocity combined with uniform field enhancement are ...
    • Nonlinear Plasmonic Cloaks to Realize Giant All-Optical Scattering Switching 

      Argyropoulos, Christos; Chen, Pai-Yen; Monticone, Francesco; D’Aguanno, Giuseppe; Alù, Andrea (American Physical Society (APS), 2012-06-27)
      Here we extend the reach of Fano resonant coupling by combining this concept with cloaking and plasmonic resonances in a single nonlinear nanoparticle, in order to realize giant all-optical scattering nanoswitches controlled ...
    • Nonlinear pulse propagation in one-dimensional metal-dielectric multilayer stacks: Ultrawide bandwidth optical limiting 

      Scalora, Michael; Mattiucci, Nadia; D’Aguanno, Giuseppe; Larciprete, MariaCristina; Bloemer, Mark J. (American Physical Society (APS), 2006-01-12)
      We numerically study the nonlinear optical properties of metal-dielectric photonic band gap structures in the pulsed regime. We exploit the high χ⁽³⁾ of copper metal to induce nonlinear effects such as broadband optical ...
    • Nonlinear Pulse Propagation Phenomena in 1D Photonic Crystals 

      Centini, M.; D'Aguanno, G.; Scalora, M.; Sibilia, C.; Bloemer, M.J.; Bowden, C.M.; Bertolotti, M. (SPIE, 2002-06)
      We numerically investigate nonlinear pulse propagation in finite, 1-d photonic crystals, and highlight novel properties that may help pave the way to a new class of high-efficiency nano-devices. We show that phase matching ...
    • Nonlinear topological transitions over a metasurface 

      D’Aguanno, G.; Hadad, Y.; Smirnova, D. A.; Ni, X.; Khanikaev, A. B.; Alù, A. (American Physical Society, 2019-12-19)
      We demonstrate a self-induced topological transition and the formation of topologically protected edge states in a two-dimensional array of coupled resonant cavities placed on a Kagome lattice with saturable nonlinearity ...
    • Nonlinearity-based circulator 

      D'Aguanno, Giuseppe; Sounas, Dimitrios L.; Saied, Hady M.; Alù, Andrea (AIP Publishing, 2019-05-07)
      Commercially available nonreciprocal devices, such as isolators and circulators, play a fundamental role in communication systems. Since they commonly rely on magnetic materials, they tend to become bulky, expensive, and ...