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   Articles with "nonlinear metasurface" as a keyword



Hybrid Nonlinear Metasurface Refractive Lens

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recommendations! Published in 2025 at "Nano Letters"

DOI: 10.1021/acs.nanolett.5c00178

Abstract: Nonlinear metasurfaces have been extensively studied, offering new capabilities to generate and control light. Usually, nonlinear metasurfaces are fabricated on planar substrates where the entire functionality is encoded in the metasurface design. Here, we study… read more here.

Keywords: metasurface refractive; refractive elements; refractive lens; nonlinear metasurface ... See more keywords

Nonlinear Metasurface Fresnel Zone Plates for Terahertz Generation and Manipulation

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recommendations! Published in 2019 at "Nano Letters"

DOI: 10.1021/acs.nanolett.9b01970

Abstract: We introduce a nanoengineered nonlinear metasurface based optical element that acts as an emitting Fresnel zone plate of terahertz (THz) waves. We show that the nonlinear zone plate generates broadband THz radiation and focuses each… read more here.

Keywords: zone; fresnel zone; metasurface; zone plate ... See more keywords
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Efficient Nonlinear Metasurface Based on Nonplanar Plasmonic Nanocavities

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recommendations! Published in 2017 at "ACS Photonics"

DOI: 10.1021/acsphotonics.7b00094

Abstract: Since their discovery in the 1960s, nonlinear optical effects have revolutionized optical technologies and laser industry. Development of efficient nanoscale nonlinear sources will pave the way for new applications in photonic circuitry, quantum optics and… read more here.

Keywords: based nonplanar; efficient nonlinear; nonplanar plasmonic; metasurface based ... See more keywords

Enhanced tunable photon-pair generation from a nonlinear metasurface with a guided-mode cavity

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recommendations! Published in 2025 at "Physical Review A"

DOI: 10.1103/p1wr-98wx

Abstract: The ability to generate quantum entangled photon pairs through spontaneous parametric down conversion (SPDC) is playing a pivotal role in many applications in quantum technologies, including quantum communications, quantum computation, and quantum imaging. Metasurfaces, two-dimensional… read more here.

Keywords: mode cavity; photon; guided mode; nonlinear metasurface ... See more keywords

Low-Profile Nonlinear Metasurface with Sensitivity Threshold Reduction and Enhanced Shielding under High-Power Excitation

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recommendations! Published in 2025 at "IEEE Transactions on Antennas and Propagation"

DOI: 10.1109/tap.2025.3610014

Abstract: This article presents a technique for reducing the sensitivity threshold (ST) and improving the shielding efficiency (SE) of a novel nonlinear metasurface under high-power microwave (HPM) excitation. HPM sources and pulse jammers can significantly disrupt… read more here.

Keywords: shielding high; nonlinear metasurface; sensitivity threshold; power ... See more keywords

Dynamic coherent perfect absorption in nonlinear metasurfaces.

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recommendations! Published in 2020 at "Optics letters"

DOI: 10.1364/ol.402380

Abstract: In this Letter, we propose a tunable coherent perfect absorber based on ultrathin nonlinear metasurfaces. A nonlinear metasurface is made of plasmonic nanoantennas coupled to an epsilon-near-zero material with a large optical nonlinearity. The coherent… read more here.

Keywords: absorption; perfect absorption; coherent perfect; dynamic coherent ... See more keywords