Search Results - "SMITH, David R"

Extreme nanophotonics from ultrathin metallic gaps by Baumberg, Jeremy J., Aizpurua, Javier, Mikkelsen, Maiken H., Smith, David R.

“…Ultrathin dielectric gaps between metals can trap plasmonic optical modes with surprisingly low loss and with volumes below 1 nm 3 . We review the origin and…”
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Meta-programmable analog differentiator by Sol, Jérôme, Smith, David R., del Hougne, Philipp

“…We present wave-based signal differentiation with unprecedented fidelity and flexibility by purposefully perturbing overmoded random scattering systems such…”
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Ultra-broadband metamaterial absorbers from long to very long infrared regime by Zhou, Yu, Qin, Zheng, Liang, Zhongzhu, Meng, Dejia, Xu, Haiyang, Smith, David R., Liu, Yichun

“…Broadband metamaterials absorbers with high absorption, ultrathin thickness and easy configurations are in great demand for many potential applications. In…”
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Probing the mechanisms of large Purcell enhancement in plasmonic nanoantennas by Akselrod, Gleb M., Argyropoulos, Christos, Hoang, Thang B., Ciracì, Cristian, Fang, Chao, Huang, Jiani, Smith, David R., Mikkelsen, Maiken H.

“…Plasmonic nanostructures enable spontaneous emission enhancement factors of greater than 1,000 — the largest observed to date. The orientation of dipole…”
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Metamaterial Apertures for Computational Imaging by Hunt, John, Driscoll, Tom, Mrozack, Alex, Lipworth, Guy, Reynolds, Matthew, Brady, David, Smith, David R.

“…By leveraging metamaterials and compressive imaging, a low-profile aperture capable of microwave imaging without lenses, moving parts, or phase shifters is…”
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Collateral impacts of pandemic COVID-19 drive the nosocomial spread of antibiotic resistance: A modelling study by Smith, David R M, Shirreff, George, Temime, Laura, Opatowski, Lulla

“…Circulation of multidrug-resistant bacteria (MRB) in healthcare facilities is a major public health problem. These settings have been greatly impacted by the…”
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Dual-Polarization Printed Holographic Multibeam Metasurface Antenna by Yurduseven, Okan, Smith, David R.

“…Multibeam antennas have emerged as a promising concept for applications where selective beam coverage is required. Multibeam radiation can be achieved…”
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Ultrafast spontaneous emission source using plasmonic nanoantennas by Hoang, Thang B., Akselrod, Gleb M., Argyropoulos, Christos, Huang, Jiani, Smith, David R., Mikkelsen, Maiken H.

“…Typical emitters such as molecules, quantum dots and semiconductor quantum wells have slow spontaneous emission with lifetimes of 1–10 ns, creating a mismatch…”
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Dynamic metamaterial aperture for microwave imaging by Sleasman, Timothy, F. Imani, Mohammadreza, Gollub, Jonah N., Smith, David R.

“…We present a dynamic metamaterial aperture for use in computational imaging schemes at microwave frequencies. The aperture consists of an array of…”
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Electronically steered metasurface antenna by Boyarsky, Michael, Sleasman, Timothy, Imani, Mohammadreza F., Gollub, Jonah N., Smith, David R.

“…Mobile devices, climate science, and autonomous vehicles all require advanced microwave antennas for imaging, radar, and wireless communications. We propose a…”
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Hydrodynamic Model for Plasmonics: A Macroscopic Approach to a Microscopic Problem by Ciracì, Cristian, Pendry, John B., Smith, David R.

“…In this concept, we present the basic assumptions and techniques underlying the hydrodynamic model of electron response in metals and demonstrate that the…”
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Leveraging Nanocavity Harmonics for Control of Optical Processes in 2D Semiconductors by Akselrod, Gleb M, Ming, Tian, Argyropoulos, Christos, Hoang, Thang B, Lin, Yuxuan, Ling, Xi, Smith, David R, Kong, Jing, Mikkelsen, Maiken H

“…Optical cavities with multiple tunable resonances have the potential to provide unique electromagnetic environments at two or more distinct…”
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Origin of second-harmonic generation enhancement in optical split-ring resonators by Ciracì, Cristian, Poutrina, Ekaterina, Scalora, Michael, Smith, David R.

“…We present a study of the second-order nonlinear optical properties of metal-based metamaterials. A hydrodynamic model for electronic response is used, in…”
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Working from home in the time of COVID-19: how to best preserve occupational health? by Bouziri, Hanifa, Smith, David R M, Descatha, Alexis, Dab, William, Jean, Kevin

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Adaptive two-stage inverse sampling design to estimate density, abundance, and occupancy of rare and clustered populations by Salehi, Mohammad, Smith, David R

“…Sampling rare and clustered populations is challenging because of the effort required to find rare units. Heuristically, a practitioner would prefer to…”
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Temporal microwave ghost imaging using a reconfigurable disordered cavity by F. Imani, Mohammadreza, Smith, David R.

“…We propose and experimentally demonstrate the principles for microwave temporal ghost imaging using a disordered cavity loaded with a reconfigurable…”
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Control of Radiative Processes Using Tunable Plasmonic Nanopatch Antennas by Rose, Alec, Hoang, Thang B, McGuire, Felicia, Mock, Jack J, Ciracì, Cristian, Smith, David R, Mikkelsen, Maiken H

“…The radiative processes associated with fluorophores and other radiating systems can be profoundly modified by their interaction with nanoplasmonic structures…”
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Optimizing COVID-19 surveillance in long-term care facilities: a modelling study by Smith, David R M, Duval, Audrey, Pouwels, Koen B, Guillemot, Didier, Fernandes, Jérôme, Huynh, Bich-Tram, Temime, Laura, Opatowski, Lulla

“…Long-term care facilities (LTCFs) are vulnerable to outbreaks of coronavirus disease 2019 (COVID-19). Timely epidemiological surveillance is essential for…”
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Controlling the second harmonic in a phase-matched negative-index metamaterial by Rose, Alec, Huang, Da, Smith, David R

“…Nonlinear metamaterials have been predicted to support new and exciting domains in the manipulation of light, including novel phase-matching schemes for wave…”
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Computational imaging using a mode-mixing cavity at microwave frequencies by Fromenteze, Thomas, Yurduseven, Okan, Imani, Mohammadreza F., Gollub, Jonah, Decroze, Cyril, Carsenat, David, Smith, David R.

“…We present a 3D computational imaging system based on a mode-mixing cavity at microwave frequencies. The core component of this system is an electrically large…”
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