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We theoretically investigate optical absorption of molecules embedded nearby metallic antennas by using discrete dipole approximation method. It is found that the spectral peak of the absorption is shifted due to the radiation-induced…

Mesoscale and Nanoscale Physics · Physics 2015-10-01 Yoshiki Osaka , Nobuhiko Yokoshi , Hajime Ishihara

A new scheme for enantiomer differentiation of chiral molecules using a pair of linearly polarized intense ultrashort laser pulses with skewed mutual polarization is presented. The technique relies on the fact that the off-diagonal…

Chemical Physics · Physics 2017-05-04 Andrey Yachmenev , Sergei N. Yurchenko

The dipolar interaction is known to substantially affect the properties of magnetic nanoparticles. This is particularly important when the particles are kept in a fluid suspension or packed inside nano-carriers. In addition to its usual…

Here, we present an exploratory study of the potential applications of electrically biased materials that possess a nonreciprocal and non-Hermitian electromagnetic response analogous to the electronic response of field-effect transistors.…

Molecular chirality is a key design property for many technologies including bioresponsive imaging, circularly polarized light detection and emission, molecular motors and switches. Imaging and manipulating the primary steps of transient…

Chiral plasmonic nanostructures are rapidly emerging as ideal substrates for enantioselective sensing, chiral near-field engineering, and plasmon-assisted catalysis, owing to their exceptional sensitivity to structural handedness. However,…

Mesoscale and Nanoscale Physics · Physics 2026-03-30 Vasil Saroka , Lorenzo Cupellini , Nicolò Maccaferri , Alessandro Fortunelli , Tommaso Giovannini

Optical activity is a fundamental phenomenon originating from the chiral nature of crystals and molecules. While intrinsic chiroptical responses of ordinary chiral materials to circularly polarized light are relatively weak, they can be…

Recently, there is growing interest in integrating alkali vapors with nanoscale photonic structures, such as nano-waveguides, resonators and nanoantennas. Nanoscale confinement of electromagnetic fields may introduce a longitudinal electric…

Optics · Physics 2021-02-10 Roy Zektzer , Eliran Talker , Yefim Barash , Noa Mazurski , Uriel Levy

The theory to calculate circular dichroism (CD) of chiral molecules in a finite cluster with arbitrarily disposed objects has been developed by means of T-matrix method. The interactions between chiral molecules and nanostructures have been…

Optics · Physics 2018-01-01 Tong Wu , Jun Ren , Rongyao Wang , Xiangdong Zhang

We demonstrate that electric-dipole scatterers can mimic chiral light-matter interaction by generating far-field circular polarization upon scattering, even though the optical chirality of the incident field as well as that of the scattered…

Optics · Physics 2019-06-12 Sergey Nechayev , Peter Banzer

The near-field interaction of plasmonic nanostructures and chiral molecules induces circular dichroism in achiral nanostructure. The induced circular dichroism (ICD) strength is several orders greater than the molecular inherent CD (MCD),…

The theory of elastic interaction of micron size axially symmetric colloidal particles immersed into confined nematic liquid crystal has been proposed. General formulas are obtained for the self energy of one colloidal particle and…

Soft Condensed Matter · Physics 2015-05-14 S. B. Chernyshuk , B. I. Lev

Biologically important molecules span a size range from very large biomacromolecules, such as proteins to small metabolite molecules. Consequently, spectroscopic techniques which can detect and characterize the structure of inherently…

Majorana states in condensed matter devices may be of a localized nature, such as in hybrid semiconductor/superconductor nanowires, or chirally propagating along the edges such as in hybrid 2D quantum-anomalous-Hall/superconductor…

Mesoscale and Nanoscale Physics · Physics 2018-04-23 Javier Osca , Llorenç Serra

Circularly polarized light (CPL) is currently receiving much attention as a key ingredient for next-generation information technologies, such as quantum communication and encryption. CPL photon generation for such applications is commonly…

Recently, it has been demonstrated that the absorption of moderately doped two-dimensional semiconductors can be described in terms of exciton-polarons. In this scenario, attractive and repulsive polaron branches are formed due to…

Mesoscale and Nanoscale Physics · Physics 2021-02-17 Dmitry K. Efimkin , Emma K. Laird , Jesper Levinsen , Meera M. Parish , Allan H. MacDonald

In many biological processes highly charged biomolecules are adsorbed into oppositely charged surfaces of macroions and membranes. They form strongly correlated structures close to the surface which can not be explained by the conventional…

Soft Condensed Matter · Physics 2016-03-23 Sandipan Dutta , Y. S. Jho

It is commonly believed that electromagnetic spectra of atoms and molecules can be fully described by interactions of electric and magnetic multipoles. However, it has recently become clear that interactions between light and matter also…

Atomic Physics · Physics 2022-11-14 Ilya Kuprov , David Wilkowski , Nikolay Zheludev

Chirality is a fundamental feature in all domains of nature, ranging from particle physics over electromagnetism to chemistry and biology. Chiral objects lack a mirror plane and inversion symmetry and therefore cannot be spatially aligned…

Drawing inspiration from a remarkable chiral force found in nature, we show that a static electric field combined with an optical lin$\perp$lin polarization standing wave can exert a chiral optical force on a small chiral molecule that is…

Optics · Physics 2023-08-16 Robert P. Cameron , Duncan McArthur , Alison M. Yao
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