Ultrafast and Low-Threshold THz Mode Switching of Two-Dimensional Nonlinear Metamaterials.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c04776
Abstract: Judiciously designed two-dimensional THz metamaterials consisting of resonant metallic structures embedded in a dielectric environment locally enhance the electromagnetic field of an incident THz pulse to values sufficiently high to cause nonlinear responses of the… read more here.
Keywords: two dimensional; low threshold; thz; mode switching ... See more keywords
Ultrafast and Low-Power 2D Bi2O2Se Memristors for Neuromorphic Computing Applications.
Sign Up to like & getrecommendations! Published in 2023 at "Nano letters"
DOI: 10.1021/acs.nanolett.3c00322
Abstract: Memristors that emulate synaptic plasticity are building blocks for opening a new era of energy-efficient neuromorphic computing architecture, which will overcome the limitation of the von Neumann bottleneck. Layered two-dimensional (2D) Bi2O2Se, as an emerging… read more here.
Keywords: neuromorphic computing; ultrafast low; low power; bi2o2se memristors ... See more keywords
Phase ordering of charge density waves traced by ultrafast low-energy electron diffraction
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DOI: 10.1038/nphys4309
Abstract: A tracing of the phase-ordering kinetics of a charge density wave system demonstrates the potential of ultrafast low-energy electron diffraction for studying phase transitions and ordering phenomena at surfaces and in low-dimensional systems. read more here.
Keywords: phase; energy electron; charge density; ultrafast low ... See more keywords
Ultrafast low-energy all-optical switching
Sign Up to like & getrecommendations! Published in 2019 at "Nature Photonics"
DOI: 10.1038/s41566-019-0571-7
Abstract: The realization of ultrafast integrated opto-optical switches with ultra-low switching energies remains an ongoing challenge. Broadband, silicon-compatible devices relying on gap plasmons and saturable absorption in graphene could pave the way forward. read more here.
Keywords: ultrafast low; optical switching; low energy; energy optical ... See more keywords