Zobrazeno 1 - 10
of 88
pro vyhledávání: '"Leonardo Viti"'
Autor:
Chiara Schiattarella, Alessandra Di Gaspare, Leonardo Viti, M. Alejandro Justo Guerrero, Lianhe H. Li, Mohammed Salih, A. Giles Davies, Edmund H. Linfield, Jincan Zhang, Hamideh Ramezani, Andrea C. Ferrari, Miriam S. Vitiello
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Optical resonators are fundamental building blocks of photonic systems, enabling meta-surfaces, sensors, and transmission filters to be developed for a range of applications. Sub-wavelength size (
Externí odkaz:
https://doaj.org/article/1b74b392b7aa4870b4008bcbd45325d4
Autor:
Eva A. A. Pogna, Valentino Pistore, Leonardo Viti, Lianhe Li, A. Giles Davies, Edmund H. Linfield, Miriam S. Vitiello
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-8 (2024)
Abstract Polaritons in two-dimensional layered crystals offer an effective solution to confine, enhance and manipulate terahertz (THz) frequency electromagnetic waves at the nanoscale. Recently, strong THz field confinement has been achieved in a gra
Externí odkaz:
https://doaj.org/article/dbe0306879e7422aabd76c1737e89d5e
Autor:
Eva Arianna Aurelia Pogna, Leonardo Viti, Antonio Politano, Massimo Brambilla, Gaetano Scamarcio, Miriam Serena Vitiello
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-11 (2021)
Propagation of photoexcited modes provides important information for novel quantum state. Here, the authors reveal the propagation of sub-diffractional hyperbolic phonon-polariton modes influenced by the Dirac plasmons in topological insulators.
Externí odkaz:
https://doaj.org/article/79d89fc81e9c46aaaf448dedb355f7f0
Autor:
Valentino Pistore, Eva Arianna Aurelia Pogna, Leonardo Viti, Lianhe Li, A. Giles Davies, Edmund H. Linfield, Miriam Serena Vitiello
Publikováno v:
Advanced Science, Vol 9, Iss 28, Pp n/a-n/a (2022)
Abstract Chip‐scale, electrically‐pumped terahertz (THz) frequency‐combs (FCs) rely on nonlinear four‐wave‐mixing processes, and have a nontrivial phase relationship between the evenly spaced set of emitted modes. Simultaneous monitoring an
Externí odkaz:
https://doaj.org/article/19dfa935e9764eecbd930f4136ae4fa1
Autor:
Jürgen Raab, Francesco P. Mezzapesa, Leonardo Viti, Nils Dessmann, Laura K. Diebel, Lianhe Li, A. Giles Davies, Edmund H. Linfield, Christoph Lange, Rupert Huber, Miriam S. Vitiello
Publikováno v:
Nature Communications, Vol 11, Iss 1, Pp 1-8 (2020)
Structures that can enhance the capabilities of quantum cascade lasers are highly sought after to improve their practicality for a range of applications. Here the authors demonstrate such a structure in a saturable absorber that takes advantage of in
Externí odkaz:
https://doaj.org/article/6bd1d65d8e794154824a8cb696e79ad8
Autor:
Eva Arianna Aurelia Pogna, Leonardo Viti, Antonio Politano, Massimo Brambilla, Gaetano Scamarcio, Miriam Serena Vitiello
Publikováno v:
Nature Communications, Vol 12, Iss 1, Pp 1-1 (2021)
Externí odkaz:
https://doaj.org/article/8c557f2a15f64ad2af7e148e3a04e108
Publikováno v:
Nanomaterials, Vol 11, Iss 12, p 3378 (2021)
Engineering detection dynamics in nanoscale receivers that operate in the far infrared (frequencies in the range 0.1–10 THz) is a challenging task that, however, can open intriguing perspectives for targeted applications in quantum science, biomedi
Externí odkaz:
https://doaj.org/article/9f64203d44ab4fc084af34b511c7f27c
Autor:
Vezio Bianchi, Tian Carey, Leonardo Viti, Lianhe Li, Edmund H. Linfield, A. Giles Davies, Alessandro Tredicucci, Duhee Yoon, Panagiotis G. Karagiannidis, Lucia Lombardi, Flavia Tomarchio, Andrea C. Ferrari, Felice Torrisi, Miriam S. Vitiello
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
Graphene shows promise for saturable absorption, a key property for ultrafast lasing, yet graphene saturable absorbers operating in the terahertz region suffer from low absorption modulation. Here, the authors report terahertz saturable absorbers bas
Externí odkaz:
https://doaj.org/article/ab680615aaeb482a8f9fe92220e1a060
Publikováno v:
APL Materials, Vol 5, Iss 3, Pp 035504-035504-10 (2017)
Topological insulators are innovative materials with semiconducting bulk together with surface states forming a Dirac cone, which ensure metallic conduction in the surface plane. Therefore, topological insulators represent an ideal platform for optoe
Externí odkaz:
https://doaj.org/article/48e6e1f7b5d94d61a809a11ef00dc568
Publikováno v:
APL Materials, Vol 5, Iss 3, Pp 035602-035602-10 (2017)
The discovery of graphene triggered a rapid rise of unexplored two-dimensional materials and heterostructures having optoelectronic and photonics properties that can be tailored on the nanoscale. Among these materials, black phosphorus (BP) has attra
Externí odkaz:
https://doaj.org/article/d4cb0e65f36844ba8db4b4012e4de980