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Selective spectral detection of ultraviolet (UV) radiation is highly important across numerous fields from health and safety to industrial and environmental monitoring applications. Herein, we report a non-toxic, visible-blind, inorganic…

We present an innovative optical imaging system for measuring parameters of a small particle such as a macromolecule or nanoparticle at the quantum limit of sensitivity. In comparison to the conventional confocal interferometric scattering…

Quantum Physics · Physics 2025-07-14 Fabian Müller , Emre Köse , Alfred J. Meixner , Erik Schäffer , Daniel Braun

Motivated by the lack of publicly available datasets of chest radiographs of positive patients with Coronavirus disease 2019 (COVID-19), we build the first-of-its-kind open dataset of synthetic COVID-19 chest X-ray images of high fidelity…

Image and Video Processing · Electrical Eng. & Systems 2020-10-21 Hasib Zunair , A. Ben Hamza

Intersubband optoelectronic devices rely on transitions between quantum-confined electron levels in semiconductor heterostructures, which enables infrared (IR) photodetection in the 1-30 $\mu$m wavelength window with picosecond response…

Materials Science · Physics 2019-01-18 Jonas Lähnemann , Akhil Ajay , Martien I. den Hertog , Eva Monroy

Semiconducting 2D materials, such as molybdenum disulfide (MoS2) and other members of the transition metal dichalcogenide family, have emerged as promising materials for applications in high performance nanoelectronics that exhibit…

Applied Physics · Physics 2019-05-24 David Maeso , Andres Castellanos-Gomez , Nicolas Agraït , Gabino Rubio-Bollinger

Characterizing and controlling the out-of-equilibrium state of nanostructured Mott insulators hold great promises for emerging quantum technologies while providing an exciting playground for investigating fundamental physics of…

We report on a study exploring the design of nanoparticles that can enhance their laser refrigeration efficiency for applications in levitated optomechanics. In particular, we developed lanthanide-doped nanocrystals with an inert shell…

Optics · Physics 2026-04-30 Cyril Laplane , Peng Ren , Reece P. Roberts , Yiqing Lu , Thomas Volz

Cu doped transparent ZnO thin films were spin coated on conductive glass substrates. The samples were subsequently annealed in air for 1 hour at 500 0C in order to form the phase of ZnO. ZnO samples were doped with different Cu molar…

Materials Science · Physics 2017-03-08 P. Samarasekara , Udumbara Wijesinghe , E. N. Jayaweera

The Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) has rapidly spread into a global pandemic. A form of pneumonia, presenting as opacities with in a patient's lungs, is the most common presentation associated with this virus,…

Image and Video Processing · Electrical Eng. & Systems 2020-07-10 Keegan Lensink , Issam Laradji , Marco Law , Paolo Emilio Barbano , Savvas Nicolaou , William Parker , Eldad Haber

Hypothesis: We test whether the wettability of nanoparticles (NPs) straddling at an air/water surface or oil/water interface can be extrapolated from sessile drop-derived macroscopic contact angles (mCAs) on planar substrates, assuming that…

Viruses such as SARS-CoV-2 and Influenza are lipophilic, enveloped viruses, and are relatively easy to inactivate by exposure to alcohols. The envelope mainly consists of the lipid bilayer, taken from the host cells at assembly/budding…

Medical Physics · Physics 2020-03-30 Tsumoru Shintake

Over the preceding years, nickel (Ni) and its compounds have been increasingly employed in various aspects of human social life, metallurgical/industrial manufactures, healthcare, and chemical processes. Although Ni is considered an…

Applied Physics · Physics 2025-07-08 Sudhanshu Naithani , Heena , Pooja Sharma , Samar Layek , Franck Thetiot , Tapas Goswami , Sushil Kumar

The integration of machine learning methods into bioinformatics provides particular benefits in identifying how therapeutics effective in one context might have utility in an unknown clinical context or against a novel pathology. We aim to…

Machine Learning · Computer Science 2020-06-29 Semih Cantürk , Aman Singh , Patrick St-Amant , Jason Behrmann

We propose a scheme to implement a supersensitive estimation of the coupling strength in a hybrid optomechanical system which consists of a cavity-Bose-Einstein condensate system coupled to an impurity. This method can dramatically improve…

Quantum Physics · Physics 2020-09-22 Qing-Shou Tan , Ji-Bing Yuan , Jie-Qiao Liao , Le-Man Kuang

Resistive pulse sensing is used to characterize and count single particles in solution moving through channels under an electric bias, with nanoscale pores providing enough spatial resolution for single-molecule identification and…

Applied Physics · Physics 2025-10-16 Martin Charron , Zachary Roelen , Deekshant Wadhwa , Vincent Tabard-Cossa

Up-conversion nanocrystals (UCNCs) are a new class of nonlinear optical materials converting low energy excitation to high energy emission. Recent advances in synthesis techniques enable a control over size, shape, emission color purity as…

Materials Science · Physics 2016-06-17 Ziyad Chaker , Artur Podhorodecki

Nanophotonic light-matter interfaces hold great promise for quantum technologies. Enhancing local electromagnetic fields, they enable highly efficient detectors, can help realize optically connected processors, or serve as quantum…

The study of nanomaterials is an active area of research for technological applications as well as fundamental science. A common method for studying properties of isolated nanoparticles is by an in-vacuum particle beam produced via an…

Sensing response of individual single-crystal titania nanowires configured as chemiresistors for detecting reducing (CO, H2) and oxidizing (O2) gases is shown to be sensitive to visible light illumination. It is assumed that doping of the…

Mesoscale and Nanoscale Physics · Physics 2015-01-09 Jie Zhang , Evgheni Strelcov , Andrei Kolmakov

A conformal coating technique with nanocarbon was developed to enhance the surface properties of alumina nanoparticles for bio-applications. The ultra-thin carbon layer induces new surface properties such as water dispersion,…

Materials Science · Physics 2017-07-04 Morteza Aramesh , Phong A. Tran , Kostya Ostrikov , Steven Prawer
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