Scientists / Open questions

纳德尔·恩格塔

Nader Engheta

电磁学、超材料、纳米光子学

12 个问题

Molecular-level mechanism and predictive control of aromatic-additive-assisted seed-mediated growth of monodisperse gold nanorods
Multifrequency optical invisibility with layered plasmonic scattering-cancellation cloaks: passive limits, higher-order multipoles, material realization, and experimental verification
Effective-medium theory and experimental validation of particulate composites built from compact-resonator concentric DNG/SNG/DPS nanoparticles under realistic loss, dispersion, and dense packing
Predictive design of parallel-plate metamaterial scattering-cancellation cloaks beyond the long-wavelength, perfect-conductor limit: the virtual-interface shift, electrically large objects, and loss-aware optimization
Photonic doping beyond two dimensions: exact additive dopant rules, loss and dispersion limits, and dense-doping regimes in epsilon-near-zero media
Systematic characterization of matched-nanoantenna optical wireless links for on-chip interconnects: bandwidth limits, multiplexing, confinement-loss trade-offs, robustness, and integration
Loss-limited resolution, gain compensation, and three-dimensional realization of far-field subdiffraction optical microscopy with anisotropic metamaterial crystals
Quantitative limits of electromagnetic energy tunneling through subwavelength ε-near-zero channels and bends: loss, breakdown, nonlocality, and three-dimensional implementation
Extending inverse-designed metastructure equation solvers to nonlinear integral equations, kernel eigenvalue problems, and nonreciprocal on-chip implementations
Radiative–nonradiative rate partitioning in metal-coupled upconversion nanophosphors and its dependence on intrinsic quantum yield
Emitter-Integrated, Quantitatively Characterized Visible-Wavelength Epsilon-Near-Zero (n = 0) Plasmonic Waveguides: Absolute Purcell Factors, Superradiance, and Functional Devices
Practical realization of optically cloaked metal contacts on semiconductor photodetectors: fabrication tolerances, joint electrical–optical design rules, and real-device performance

返回开放问题

Molecular-level mechanism and predictive control of aromatic-additive-assisted seed-mediated growth of monodisperse gold nanorods

Multifrequency optical invisibility with layered plasmonic scattering-cancellation cloaks: passive limits, higher-order multipoles, material realization, and experimental verification

Effective-medium theory and experimental validation of particulate composites built from compact-resonator concentric DNG/SNG/DPS nanoparticles under realistic loss, dispersion, and dense packing

Predictive design of parallel-plate metamaterial scattering-cancellation cloaks beyond the long-wavelength, perfect-conductor limit: the virtual-interface shift, electrically large objects, and loss-aware optimization

Photonic doping beyond two dimensions: exact additive dopant rules, loss and dispersion limits, and dense-doping regimes in epsilon-near-zero media

Systematic characterization of matched-nanoantenna optical wireless links for on-chip interconnects: bandwidth limits, multiplexing, confinement-loss trade-offs, robustness, and integration

Loss-limited resolution, gain compensation, and three-dimensional realization of far-field subdiffraction optical microscopy with anisotropic metamaterial crystals

Quantitative limits of electromagnetic energy tunneling through subwavelength ε-near-zero channels and bends: loss, breakdown, nonlocality, and three-dimensional implementation

Extending inverse-designed metastructure equation solvers to nonlinear integral equations, kernel eigenvalue problems, and nonreciprocal on-chip implementations

Radiative–nonradiative rate partitioning in metal-coupled upconversion nanophosphors and its dependence on intrinsic quantum yield

Emitter-Integrated, Quantitatively Characterized Visible-Wavelength Epsilon-Near-Zero (n = 0) Plasmonic Waveguides: Absolute Purcell Factors, Superradiance, and Functional Devices

Practical realization of optically cloaked metal contacts on semiconductor photodetectors: fabrication tolerances, joint electrical–optical design rules, and real-device performance