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Related papers: DNA nanotechnology-enabled chiral plasmonics: from…

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We present a rigorous finite element method to calculate circular dichroism (CD) in various systems consisting of nanostructures and oriented chiral molecules with electric quadrupole transitions. The interaction between oriented molecule…

Optics · Physics 2017-12-27 Weixuan Zhang , Tong Wu , Rongyao Wang , Xiangdong Zhang

The chiral state of a molecule plays a crucial role in molecular recognition and biochemical reactions. Because of this and owing to the fact that most modern drugs are chiral, the sensitive and reliable detection of the chirality of…

Mesoscale and Nanoscale Physics · Physics 2019-04-30 Luisa M. Kneer , Eva-Maria Roller , Lucas V. Besteiro , Robert Schreiber , Alexander O. Govorov , Tim Liedl

A significant part of the optical metamaterial phenomena has the plasmonic nature and their investigation requires very accurate knowledge of the fabricated structures shape with a focus on the periodical features. We describe a consistent…

Mesoscale and Nanoscale Physics · Physics 2016-09-09 Alexey V. Kondratov , Oleg Y. Rogov , Radmir V. Gainutdinov

Advances in the field of plasmonics, that is, nanophotonics based on optical properties of metal nanostructures, paved the way for the development of ultrasensitive biological sensors and other devices whose operating principles are based…

Applied Physics · Physics 2019-02-20 Sergey Lepeshov , Alexander Krasnok , Pavel Belov , Andrey Miroshnichenko

Highly sensitive and selective label free devices for real-time identification of specific biomarkers are expected to significantly impact the biosensing field. The ability of plasmonic systems to confine the light in nanometer volume and…

The interaction between light and matter can be controlled efficiently by structuring materials at a length scale shorter than the wavelength of interest. With the goal to build optical devices that operate at the nanoscale, plasmonics has…

Optics · Physics 2021-05-06 Na Liu , Tim Liedl

This paper presents a molecular mechanics study for new nanorobotic structures using molecular dynamics (MD) simulations coupled to virtual reality (VR) techniques. The operator can design and characterize through molecular dynamics…

Materials Science · Physics 2007-08-13 M. Hamdi , A. Ferreira

In the framework of energy scavenging for applications in flexible/strechable electronics, hybrid piezoelectric nanogenerators, made up with Zinc oxyde nanorods, embedded in a polymeric matrix, and growth on a flexible polymeric support,…

Materials Science · Physics 2019-09-04 Maria Laura De Bellis , Andrea Bacigalupo , Giorgio Zavarise

We systematically investigate semiclassical dynamics of the optical field produced by quantum nanoemitters (NEs) embedded in a periodic lattice of conducting nanorings (NRs), in which plasmon polaritons (PPs) are excited. The coupling…

We demonstrate chiral propagation of plasmon polaritons and show it is more efficient and easier to control than the recently observed chiral shear phonon polaritons. We consider plasmon polaritons created in an anisotropic two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2024-09-18 Ze-Hua Tao , Icaro R. Lavor , Hai-Ming Dong , Andrey Chaves , David Neilson , Milorad V. Milosevic

A promising trend in plasmonics involves shrinking the size of plasmon-supporting structures down to a few nanometers, thus enabling control over light-matter interaction at extreme-subwavelength scales. In this limit, quantum mechanical…

Nanotechnology has revolutionized the fabrication of hybrid species with tailored functionalities. A milestone in this field is the DNA conjugation of nanoparticles, introduced almost 30 years ago, which typically exploits the affinity…

We present a simple model of collective plasmons in a dimerized chain of spherical metallic nanoparticles, an elementary example of a topologically nontrivial nanoplasmonic system. Taking into account long-range quasistatic dipolar…

Mesoscale and Nanoscale Physics · Physics 2018-10-23 Charles A. Downing , Guillaume Weick

Designing broadband enhanced chirality is of strong interest to the emerging fields of chiral chemistry and sensing, or to control the spin orbital momentum of photons in recently introduced nanophotonic chiral quantum and classical optical…

A simple yet effective achiral platform using elliptical nanoholes for chiroptical analysis is demonstrated. Under linearly polarized excitation, an elliptical nanohole in a thin gold film can generate a localized chiral optical field for…

Optics · Physics 2021-01-13 Zhan-Hong Lin , Jiwei Zhang , Jer-Shing Huang

In this thesis various plasmonic materials, such as hyperbolic metamaterial nanohole arrays and Au-coated free standing nanoassembly supporting nanopores, are investigated with the aim to perform optical sensing of DNA molecules with…

Optics · Physics 2022-11-14 Marzia Iarossi

Control of physical behaviors of nematic colloids and colloidal crystals has been demonstrated by tuning particle shape, topology, chirality and surface charging. However, the capability of altering physical behaviors of such soft matter…

Soft Condensed Matter · Physics 2021-01-12 Ye Yuan , Patrick Keller , Ivan I. Smalyukh

The optical properties of molecules close to plasmonic nanostructures greatly differ from their isolated molecule counterparts. To theoretically investigate such systems in a Quantum Chemistry perspective, one has to take into account that…

Mesoscale and Nanoscale Physics · Physics 2016-12-26 Silvio Pipolo , Stefano Corni

Nanostructures of conventional metals offer manipulation of light at the nanoscale but are limited to static behavior due to their fixed material properties. To develop the next frontier of dynamic nanooptics and metasurfaces, we utilize…

Helical dichroism (HD), originating from the interplay between chiral plasmonic structures and left and right vortex light carrying orbital angular momentum (OAM), has attracted significant attention across various disciplines owing to its…

Optics · Physics 2025-08-08 Takahiro Uto , An'an Wu , Tsutomu Shimura , Yoshito Y. Tanaka