Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Eva A A, Pogna"'
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:
Eugenio Cinquanta, Eva Arianna Aurelia Pogna, Lorenzo Gatto, Salvatore Stagira, Caterina Vozzi
Publikováno v:
Advances in Physics: X, Vol 8, Iss 1 (2023)
ABSTRACTIn this review, we discuss the rich ultrafast response at terahertz (THz) frequencies of two-dimensional (2D) materials. Thanks to their unique optoelectronic properties and exceptional tunability, van der Waals organic and inorganic 2D mater
Externí odkaz:
https://doaj.org/article/be9047448604453ebc515c50a6da6baf
Autor:
Alessandra Di Gaspare, Valentino Pistore, Elisa Riccardi, Eva A. A. Pogna, Harvey E. Beere, David A. Ritchie, Lianhe Li, Alexander Giles Davies, Edmund H. Linfield, Andrea C. Ferrari, Miriam S. Vitiello
Publikováno v:
Advanced Science, Vol 10, Iss 9, Pp n/a-n/a (2023)
Abstract Mode locking, the self‐starting synchronous oscillation of electromagnetic modes in a laser cavity, is the primary way to generate ultrashort light pulses. In random lasers, without a cavity, mode‐locking, the nonlinear coupling amongst
Externí odkaz:
https://doaj.org/article/37c2ccccb0504dafbb0ef69507183020
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:
Andrea Mazzanti, Eva Arianna Aurelia Pogna, Lavinia Ghirardini, Michele Celebrano, Andrea Schirato, Giuseppe Marino, Aristide Lemaítre, Marco Finazzi, Costantino De Angelis, Giuseppe Leo, Giulio Cerullo, Giuseppe Della Valle
Publikováno v:
Small Science, Vol 1, Iss 7, Pp n/a-n/a (2021)
The transient optical response of multiresonant all‐dielectric nanoantennas via a combination of broadband ultrafast reflectivity experiments and nonlinear optics nanoscale modeling is studied. Ultrafast all‐optical control of the reflectivity is
Externí odkaz:
https://doaj.org/article/2a2ab89f24a740b5b9a14825f0c94fd4
Autor:
Eva A. A. Pogna, Carlo Silvestri, Lorenzo L. Columbo, Massimo Brambilla, Gaetano Scamarcio, Miriam S. Vitiello
Publikováno v:
APL Photonics, Vol 6, Iss 6, Pp 061302-061302-9 (2021)
Near-field imaging techniques, at terahertz frequencies (1–10 THz), conventionally rely on bulky laser sources and detectors. Here, we employ a semiconductor heterostructure laser as a THz source and, simultaneously, as a phase-sensitive detector,
Externí odkaz:
https://doaj.org/article/9d5c3b06fa174561af9a046582716b77
Autor:
Giuseppe M. Paternò, Chiara Iseppon, Alessia D’Altri, Carlo Fasanotti, Giulia Merati, Mattia Randi, Andrea Desii, Eva A. A. Pogna, Daniele Viola, Giulio Cerullo, Francesco Scotognella, Ilka Kriegel
Publikováno v:
Scientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
Abstract We report the first demonstration of a solution processable, optically switchable 1D photonic crystal which incorporates phototunable doped metal oxide nanocrystals. The resulting device structure shows a dual optical response with the photo
Externí odkaz:
https://doaj.org/article/9a33d3f631b04b33838536afc0a89335
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
Autor:
Alessandra Di Gaspare, Eva A. A. Pogna, Valentino Pistore, Elisa Riccardi, Harvey E. Beere, David A. Ritchie, Lianhe Li, Giles A. Davies, Edmund H. Linfield, Andrea C. Ferrari, Miriam S. Vitiello
Publikováno v:
Quantum Sensing and Nano Electronics and Photonics XIX.