Zobrazeno 1 - 10
of 181
pro vyhledávání: '"Pancaldi M"'
We describe the design of two types of metamaterials aimed at enhancing terahertz field pulses that can be used to control the magnetic state in condensed matter systems. The first structure is a so-called "dragonfly" antenna, able to realize a five-
Externí odkaz:
http://arxiv.org/abs/2311.07252
Autor:
Pancaldi, M., Guzzi, F., Bevis, C. S., Manfredda, M., Barolak, J., Bonetti, S., Bykova, I., De Angelis, D., De Ninno, G., Fanciulli, M., Novinec, L., Pedersoli, E., Ravindran, A., Rösner, B., David, C., Ruchon, T., Simoncig, A., Zangrando, M., Adams, D. E., Vavassori, P., Sacchi, M., Kourousias, G., Mancini, G. F., Capotondi, F.
Publikováno v:
Optica 11(3), 403-411 (2024)
Electromagnetic waves possessing orbital angular momentum (OAM) are powerful tools for applications in optical communications, new quantum technologies and optical tweezers. Recently, they have attracted growing interest since they can be harnessed t
Externí odkaz:
http://arxiv.org/abs/2310.11773
Autor:
Foglia, L., Mincigrucci, R., Maznev, A. A., Baldi, G., Capotondi, F., Caporaletti, F., Comin, R., De Angelis, D., Duncan, R. A., Fainozzi, D., Kurdi, G., Li, J., Martinelli, A., Masciovecchio, C., Monaco, G., Milloch, A., Nelson, K. A., Occhialini, C. A., Pancaldi, M., Pedersoli, E., Pelli-Cresi, J. S., Simoncig, A., Travasso, F., Wehinger, B., Zanatta, M., Bencivenga, F.
Collective lattice dynamics determine essential aspects of condensed matter, such as elastic and thermal properties. These exhibit strong dependence on the length-scale, reflecting the marked wavevector dependence of lattice excitations. The extreme
Externí odkaz:
http://arxiv.org/abs/2212.01116
Autor:
Basini, M., Pancaldi, M., Wehinger, B., Udina, M., Tadano, T., Hoffmann, M. C., Balatsky, A. V., Bonetti, S.
Publikováno v:
Nature volume 628, pages 534-539 (2024)
The emergence of collective order in matter is among the most fundamental and intriguing phenomena in physics. In recent years, the ultrafast dynamical control and creation of novel ordered states of matter not accessible in thermodynamic equilibrium
Externí odkaz:
http://arxiv.org/abs/2210.01690
Autor:
Bossini, D., Pancaldi, M., Soumah, L., Basini, M., Mertens, F., Cinchetti, M., Satoh, T., Gomonay, O., Bonetti, S.
Publikováno v:
Phys. Rev. Lett. 127, 077202 (2021)
We investigate the role of domain walls in the ultrafast magnon dynamics of an antiferromagnetic NiO single crystal in a pump-probe experiment with variable pump photon energy. Analysing the amplitude of the energy-dependent photo-induced ultrafast s
Externí odkaz:
http://arxiv.org/abs/2103.11203
Autor:
Ksenzov, D., Maznev, A. A., Unni, V., Bencivenga, F., Capotondi, F., Caretta, A., Foglia, L., Malvestuto, M., Masciovecchio, C., Mincigrucci, R., Nelson, K. A., Pancaldi, M., Pedersoli, E., Randolph, L., Rahmann, H., Urazhdin, S., Bonetti, S., Gutt, C.
Publikováno v:
Nano Lett. 2021, 21, 7, 2905 - 2911
We utilize coherent femtosecond extreme ultraviolet (EUV) pulses derived from a free electron laser (FEL) to generate transient periodic magnetization patterns with periods as short as 44 nm. Combining spatially periodic excitation with resonant prob
Externí odkaz:
http://arxiv.org/abs/2009.13330
Autor:
Foglia, L., Mincigrucci, R., Maznev, A.A., Baldi, G., Capotondi, F., Caporaletti, F., Comin, R., De Angelis, D., Duncan, R.A., Fainozzi, D., Kurdi, G., Li, J., Martinelli, A., Masciovecchio, C., Monaco, G., Milloch, A., Nelson, K.A., Occhialini, C.A., Pancaldi, M., Pedersoli, E., Pelli-Cresi, J.S., Simoncig, A., Travasso, F., Wehinger, B., Zanatta, M., Bencivenga, F.
Publikováno v:
In Photoacoustics February 2023 29
Autor:
Pancaldi, M., Freeman, R., Hudl, M., Hoffmann, M. C., Urazhdin, S., Vavassori, P., Bonetti, S.
Publikováno v:
Opt. Express 26, 2917-2927 (2018)
We demonstrate a silicon-based, single-layer anti-reflection coating that suppresses the reflectivity of metals at near-infrared frequencies, enabling optical probing of nano-scale structures embedded in highly reflective surroundings. Our design doe
Externí odkaz:
http://arxiv.org/abs/1711.05670
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