Study and Characterization of Silicon Nitride Optical Waveguide Coupling with a Quartz Tuning Fork for the Development of Integrated Sensing Platforms [PDF]
SensorsThis work demonstrates an ultra-compact optical gas-sensing system, consisting of a pigtailed laser diode emitting at 1392.5 nm for water vapor (H2O) detection, a silicon nitride (Si3N4) optical waveguide to guide the laser light, and a custom-designed ...
Luigi Melchiorre +7 more
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Non-Hermitian Dirac cones with valley-dependent lifetimes [PDF]
Nature CommunicationsRelativistic quasiparticles emerging from band degeneracies in crystals play crucial roles in the transport and topological properties of materials and metamaterials.
Xinrong Xie +9 more
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Digital camouflage encompassing optical hyperspectra and thermal infrared-terahertz-microwave tri-bands [PDF]
Nature CommunicationsModern reconnaissance technologies, including hyperspectral and multispectral intensity imaging across optical, thermal infrared, terahertz, and microwave bands, can detect the shape, material composition, and temperature of targets.
Rongxuan Zhu +12 more
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Room temperature mid-infrared fibre photoluminescence and lasing beyond 5 μm in Ce3+ -doped chalcogenide glass – INVITED [PDF]
EPJ Web of Conferences, 2023 We review here our recent work in achieving mid-infrared (MIR) fibre lasing beyond 5 µm wavelength in Ce3+-doped selenide-chalcogenide fibre, as well as the observed photoluminescence in samples of the same composition but in particulate and bulk glass ...
Nunes Joel J. +12 more
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Leveraging AI in Photonics and Beyond
Photonics, 2022 Artificial intelligence (AI) techniques have been spreading in most scientific areas and have become a heated focus in photonics research in recent years. Forward modeling and inverse design using AI can achieve high efficiency and accuracy for photonics
Gandhi Alagappan +7 more
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Weyl Point and Nontrivial Surface States in a Helical Topological Material
Frontiers in Materials, 2022 Topological material has been widely studied in recent years because of excellent physical properties. In this paper, a Weyl topological material composed of the double left-handed helixes is presented.
Meize Li +6 more
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Computational Electromagnetics: A Miscellany
J, 2021 The paper presents a miscellany of unorthodox and, in some cases, paradoxical or controversial items related to computational and applied electromagnetics.
Igor Tsukerman
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RELATIVISTIC STRAIN AND ELECTROMAGNETIC PHOTON-LIKE OBJECTS [PDF]
Trends in Differential Geometry, Complex Analysis and Mathematical Physics, 2009 This paper aims to relate some properties of photon-like objects, considered as spatially finite time-stable physical entities with dynamical structure, to well defined properties of the corresponding electromagnetic strains defined as Lie derivatives of the Minkowski (pseudo)metric with respect to the eigen vector fields of the Maxwell-Minkowski ...
Donev, Stoil, Tashkova, Maria
openaire +2 more sources
Applied Sciences, 2020 A spontaneous emission fiber source operating in the mid-infrared (MIR) wavelength range from 3.5 to 8 µm is demonstrated for the first time at output power levels of at least 1 mW.
Lukasz Sojka +9 more
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Deep Learning for Photonic Design and Analysis: Principles and Applications
Frontiers in Materials, 2022 Innovative techniques play important roles in photonic structure design and complex optical data analysis. As a branch of machine learning, deep learning can automatically reveal the inherent connections behind the data by using hierarchically structured
Bing Duan +5 more
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