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of 45
pro vyhledávání: '"Almeida, Euclides"'
Nonlinear metasurfaces are multifunctional photonic elements that generate and control light, enabling multiple proof-of-principle applications, such as in nonlinear holography, beam shaping, and nanoscale sources of entangled photon pairs. Active tu
Externí odkaz:
http://arxiv.org/abs/2407.16112
Many critical applications in environmental and biological sensing, standoff detection, and astronomy rely on devices that operate in the mid-infrared range. Unfortunately, current mid-infrared devices are costly and have limited tunability. Nanostru
Externí odkaz:
http://arxiv.org/abs/2305.05884
Hybrid photonic structures of plasmonic metasurfaces coupled to atomically thin semiconductors have emerged as a versatile platform for strong light-matter interaction, supporting both strong coupling and parametric nonlinearities. However, designing
Externí odkaz:
http://arxiv.org/abs/2203.15066
Room-temperature strong coupling between plasmonic nanocavities and monolayer semiconductors is a prominent path towards efficient, integrated light-matter interactions. However, designing such systems is challenging due to the nontrivial dependence
Externí odkaz:
http://arxiv.org/abs/2203.14151
The nonlinear optical response of materials to exciting light is enhanced by resonances between the incident laser frequencies and the energy levels of the excited material. Traditionally, in molecular nonlinear spectroscopy one tunes the input laser
Externí odkaz:
http://arxiv.org/abs/1805.05717
Nanostructured metasurfaces offer unique capabilities for local control of the phase and amplitude of transmitted and reflected optical waves. Based on this potential, a large number of metasurfaces have been proposed in recent years as alternatives
Externí odkaz:
http://arxiv.org/abs/1609.08275
Autor:
ALMEIDA, Euclides Cesar Lins
Publikováno v:
Repositório Institucional da UFPEUniversidade Federal de PernambucoUFPE.
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Externí odkaz:
https://repositorio.ufpe.br/handle/123456789/18659
A hologram is an optical element storing phase and possibly amplitude information enabling the reconstruction of a three dimensional image of an object by illumination and scattering of a coherent beam of light, and the image is generated at the same
Externí odkaz:
http://arxiv.org/abs/1512.07899
Metasurfaces, and in particular those containing plasmonic-based metallic elements, constitute a particularly attractive set of materials. By means of modern nanolithographic fabrication techniques, flat, ultrathin optical elements may be constructed
Externí odkaz:
http://arxiv.org/abs/1505.05618
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