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pro vyhledávání: '"Abajo A"'
The coherent interaction between free electrons and optical fields can produce free-electron compression and push the temporal resolution of ultrafast electron microscopy to the attosecond regime. However, a large electron-light interaction is requir
Externí odkaz:
http://arxiv.org/abs/2412.03410
Autor:
Barantani, Francesco, Claude, Rémi, Iyikanat, Fadil, Madan, Ivan, Sapozhnik, Alexey A., Puppin, Michele, Weaver, Bruce, LaGrange, Thomas, de Abajo, F. Javier Garcia, Carbone, Fabrizio
Scattering between individual charges and collective modes in materials governs fundamental phenomena such as electrical resistance, energy dissipation, switching between different phases, and ordering. The study of such scattering requires a simulta
Externí odkaz:
http://arxiv.org/abs/2410.06810
Optically trapped Rydberg atoms are a suitable platform to explore quantum many-body physics mediated by long-range atom--atom interactions that can be engineered through externally applied light fields. However, this approach is limited to dipole-al
Externí odkaz:
http://arxiv.org/abs/2409.18913
The ability of surface polaritons (SPs) to enhance and manipulate light fields down to deep-subwavelength length scales enables applications in optical sensing and nonlinear optics at the nanoscale. However, the wavelength mismatch between light and
Externí odkaz:
http://arxiv.org/abs/2406.17480
Autor:
Zhou, Junze, Gonçalves, P. A. D., Riminucci, Fabrizio, Dhuey, Scott, Barnard, Edward, Schwartzberg, Adam, de Abajo, F. Javier García, Weber-Bargioni, Alexander
Publikováno v:
Nature Communications 15, 9583 (2024)
Probing strongly coupled quasiparticle excitations at their intrinsic length scales offers unique insights into their properties and facilitates the design of devices with novel functionalities. In this work, we investigate the formation and emission
Externí odkaz:
http://arxiv.org/abs/2404.05161
Free electrons are unique tools to probe and manipulate nanoscale optical fields with emerging applications in ultrafast spectromicroscopy and quantum metrology. However, advances in this field are hindered by the small probability associated with th
Externí odkaz:
http://arxiv.org/abs/2403.15823
Light carries momentum and, upon interaction with material structures, can exert forces on them. Here, we show that a planar structure with asymmetric optical response is spontaneously accelerated when placed in an environment at a different temperat
Externí odkaz:
http://arxiv.org/abs/2403.10285
Publikováno v:
Science Advances 10, eadp4096 (2024)
The interaction between free electrons and nanoscale optical fields has emerged as a unique platform to investigate ultrafast processes in matter and explore fundamental quantum phenomena. In particular, optically modulated electrons are employed in
Externí odkaz:
http://arxiv.org/abs/2403.09896
Autor:
Elrafei, Sara A., Raziman, T. V., de Vega, Sandra, de Abajo, F. Javier García, Curto, Alberto G.
Publikováno v:
Nanophotonics (2024)
Two-dimensional materials give access to the ultimate physical limits of Photonics with appealing properties for ultracompact optical components such as waveguides and modulators. Specifically, in monolayer semiconductors, a strong excitonic resonanc
Externí odkaz:
http://arxiv.org/abs/2402.10180
Publikováno v:
Sci. Adv. 10, eadn6312 (2024)
Entangled photon pairs are a key resource in future quantum-optical communication and information technologies. While high-power laser light propagating in bulk nonlinear optical crystals is conventionally used to generate entangled photons that are
Externí odkaz:
http://arxiv.org/abs/2312.12209