Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Mazhar E. Nasir"'
Autor:
Luke H. Nicholls, Tomasz Stefaniuk, Mazhar E. Nasir, Francisco J. Rodríguez-Fortuño, Gregory A. Wurtz, Anatoly V. Zayats
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Here, the authors engineer a non-uniform electron temperature distribution through nanostructuring and demonstrate a sub-300 fs switching time. This can assist in the design of nanostructures for nonlinear optics, hot carrier extraction and photocata
Externí odkaz:
https://doaj.org/article/c2b69d7d0a544bf287104da3cb7fe37f
Publikováno v:
Nanophotonics, Vol 9, Iss 2, Pp 427-434 (2020)
We demonstrate a metamaterial platform for electrically driven broadband light emission induced by electron tunneling. Both the Fabry-Perot and waveguided modes of the metamaterial slab as well the plasmonic mode of the tunneling gap are identified a
Publikováno v:
Accounts of Chemical Research. 52:3018-3028
Plasmonic nanostructures were initially developed for sensing and nanophotonic applications but, recently, have shown great promise in chemistry, optoelectronics, and nonlinear optics. While smooth plasmonic films, supporting surface plasmon polarito
Publikováno v:
Metamaterials XI.
Controlling pulse dispersion in temporal and spectral domains are imperative for modern applications of ultrashort pulses in optical communications, opto-electronics and imaging. In this work we present the detailed study of ultrashort pulse dispersi
Autor:
Francisco J. Rodríguez-Fortuño, Luke H. Nicholls, Mazhar E. Nasir, Tomasz Stefaniuk, Anatoly V. Zayats, Gregory A. Wurtz
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Nature Communications
Nicholls, L, Stefaniuk, T, Nasir, M E, Rodríguez-Fortuño, F J, Wurtz, G A & Zayats, A V 2019, ' Designer photonic dynamics by using non-uniform electron temperature distribution for on-demand all-optical switching times ', Nature Communications, vol. 10, no. 1, 2967 . https://doi.org/10.1038/s41467-019-10840-7
Nature Communications
Nicholls, L, Stefaniuk, T, Nasir, M E, Rodríguez-Fortuño, F J, Wurtz, G A & Zayats, A V 2019, ' Designer photonic dynamics by using non-uniform electron temperature distribution for on-demand all-optical switching times ', Nature Communications, vol. 10, no. 1, 2967 . https://doi.org/10.1038/s41467-019-10840-7
While free electrons in metals respond to ultrafast excitation with refractive index changes on femtosecond time scales, typical relaxation mechanisms occur over several picoseconds, governed by electron-phonon energy exchange rates. Here, we propose
Autor:
Viktor A. Podolskiy, Alexey V. Krasavin, Anatoly V. Zayats, Mazhar E. Nasir, Pavel Ginzburg, Diane J. Roth, Klaus Suhling, David Richards
Publikováno v:
Enhanced Spectroscopies and Nanoimaging 2020.
The control of photoluminescence processes, via the design of composite materials with engineered electromagnetic properties, is of great interest for the development of many application areas ranging from biophysics to quantum optical technologies.
Publikováno v:
Nano letters. 20(3)
Highly efficient information processing in the brain is based on processing and memory components called synapses, whose output is dependent on the history of the signals passed through them. Here, we have developed an artificial synapse with both el
Publikováno v:
Fan, B, Nasir, M E, Nicholls, L, Zayats, A V & Podolskiy, V 2019, ' Magneto-Optical Metamaterials : Nonreciprocal Transmission and Faraday Effect Enhancement ', Advanced Optical Materials, vol. 7, no. 14, 1801420, pp. 1801420-8 . https://doi.org/10.1002/adom.201801420
Magneto-optical effects are at the heart of modern technologies providing opportunities for polarization control in laser physics and optical communications, metrology, and in high-density data storage. Here a new type of a hyperbolic magneto-optical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66ffcc9e6e5cb369ff6cf00db1e8826f
https://kclpure.kcl.ac.uk/en/publications/8003a499-776a-4264-bef3-1339192a7148
https://kclpure.kcl.ac.uk/en/publications/8003a499-776a-4264-bef3-1339192a7148
Autor:
Wayne Dickson, Jorge U. Salmón-Gamboa, Alexey V. Krasavin, Mazhar E. Nasir, Pan Wang, Diane J. Roth, Matthew J. Barber, Simon M. Fairclough, Mayela Romero-Gómez, Anatoly V. Zayats
Publikováno v:
Salmón-Gamboa, J U, Romero-Gómez, M, Roth, D J, Barber, M J, Wang, P, Fairclough, S M, Nasir, M E, Krasavin, A V, Dickson, W & Zayats, A V 2019, ' Optimizing hot carrier effects in Pt-decorated plasmonic heterostructures ', Faraday Discussions, vol. 214, pp. 387-397 . https://doi.org/10.1039/c8fd00150b
Hot carrier generation by light in various semiconductors and metallic nanostructures is important for many photocatalytic and photochemical processes, including water and hydrogen splitting. Here, we report on investigations of hot electron generati
Autor:
Wayne Dickson, R. Margoth Córdova-Castro, Alexey V. Krasavin, Mazhar E. Nasir, Anatoly V. Zayats
Publikováno v:
Nanotechnology. 30(5)
Metamaterials and metasurfaces provide unprecedented opportunities for designing light-matter interactions. Optical properties of hyperbolic metamaterials with meta-atoms based on plasmonic nanorods, important in nonlinear optics, sensing and spontan