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Superconducting parametric amplifiers (SPAs) are critical components for ultralow-noise qubit readout in quantum computing, addressing the critical challenge of amplifying weak quantum signals without introducing noise that degrades…

Quantum Physics · Physics 2025-12-04 Babak Mohammadian

The term "Active Plasma Resonance Spectroscopy" refers to a class of diagnostic methods which employ the ability of plasmas to resonate on or near the plasma frequency. The basic idea dates back to the early days of discharge physics: An…

Plasma Physics · Physics 2015-06-12 Martin Lapke , Jens Oberrath , Thomas Mussenbrock , Ralf Peter Brinkmann

Resonant optical antennas supporting plasmon polaritons (SPPs) - collective excitations of electrons coupled to electromagnetic fields in a medium - are relevant to sensing, photovoltaics, and light-emitting devices, among others. Due to…

Plasmon-driven reactions on plasmonic nanoparticles (NPs) occur under significantly different conditions from those of classical organic synthesis and provide a promising pathway for enhancing the efficiency of various chemical processes.…

Chemical Physics · Physics 2025-04-10 Jan Kozisek , Jana Hrncirova , Miroslav Slouf , Ivana Sloufova

We provide detailed comparisons between experimental findings and numerical simulations of large cooperatively interacting, spatially disordered metamaterial arrays, consisting of asymmetrically split rings. Simulation methods fully…

Biological interactions with material surfaces span a wide range of length scales, yet conventional surface measurements often fail to account for scale, limiting the insights they provide for surface engineering. Here, we investigate how…

The memristors are expected to be fundamental devices for neuromorphic systems and switching applications. For example, the device made of a sandwiched layer of poly(N-vinylcarbazole) and reduced graphene composite between asymmetric…

Continuous monitoring of blood oxygen saturation levels is vital for patients with pulmonary disorders. Traditionally, SpO$_2$ monitoring has been carried out using transmittance pulse oximeters due to its dependability. However, SpO$_2$…

Signal Processing · Electrical Eng. & Systems 2020-04-15 Sricharan Vijayarangan , Prithvi Suresh , Preejith SP , Jayaraj Joseph , Mohansankar Sivaprakasam

We study the plasmonic properties of arrays of atomic chains which comprise noble (Cu, Ag, and Au) and transition (Pd, Pt) metal atoms using time-dependent density-functional theory. We show that the response to the electromagnetic…

Mesoscale and Nanoscale Physics · Physics 2018-10-02 Kevin Conley , Neha Nayyar , Tuomas P. Rossi , Mikael Kuisma , Volodymyr Turkowski , Martti Puska , Talat S. Rahman

This paper proposes two novel wireless transmission schemes, namely reconfigurable intelligent surface (RIS)-assisted received adaptive spatial modulation (RASM) scheme and RIS-assisted received adaptive space shift keying (RASSK) scheme,…

Information Theory · Computer Science 2026-03-03 Chaorong Zhang , Benjamin K. Ng , Ke Wang , Hui Xu , Chan-Tong Lam

The reliability of the approximations commonly adopted in the calculation of static optical (hyper)polarizabilities is tested against exact results obtained for an interesting toy-model. The model accounts for the principal features of…

Chemical Physics · Physics 2009-11-07 Luca Del Freo , Francesca Terenziani , Anna Painelli

The Tethered Particle Motion (TPM) technique informs about conformational changes of DNA molecules, e.g. upon looping or interaction with proteins, by tracking the Brownian motion of a particle probe tethered to a surface by a single DNA…

Cooperativity arising from local interactions in equilibrium receptor systems provides gain, but does not increase sensory performance, as measured by the signal-to-noise ratio (SNR) due to a fundamental tradeoff between gain and intrinsic…

Molecular Networks · Quantitative Biology 2013-07-12 Monica Skoge , Sahin Naqvi , Yigal Meir , Ned S. Wingreen

In this letter we propose an experiment to measure the Kondo effect for magnetic atoms adsorbed on the surface of a metallic nanowire. In addition to the traditional sp-d hybridization, by introducing the strong electromagnetic field of the…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Ren-Shou Huang , Yia-Chung Chang

An accurate and simple analytical model for the computation of the reflection amplitude and phase of Reconfigurable Intelligent Surfaces is presented. The model is based on a transmission-line circuit representation of the RIS which takes…

Signal Processing · Electrical Eng. & Systems 2021-11-16 Filippo Costa , Michele Borgese

We present a self-consistent quantum optics approach to calculating the surface enhanced Raman spectrum of molecules coupled to arbitrarily shaped plasmonic systems. Our treatment is intuitive to use and provides fresh analytical insight…

Optics · Physics 2017-06-26 Mohsen Kamandar Dezfouli , Stephen Hughes

Near surface silver nanoparticles embedded in silicon oxide were obtained by 40 keV silver negative ion implantation without the requirement of an annealing step. Ion beam induced local heating within the film leads to an exo-diffusion of…

Compliant walls are widespread in biological and engineering systems. Because of their singular nature, adapted tools are required to accurately study their rheological properties as well as the consequences of the latter within a given…

This paper introduces a reconfigurable intelligent surface (RIS) to support parameter estimation in machine-type communications (MTC). We focus on a network where single-antenna sensors transmit spatially correlated measurements to a…

Signal Processing · Electrical Eng. & Systems 2026-01-28 Sergi Liesegang , Antonio Pascual-Iserte , Olga Muñoz

This paper investigates an intelligent reflecting surface (IRS)-aided movable antenna (MA) system, where multiple IRSs cooperate with a multi-MA base station to extend wireless coverage to multiple target areas. The objective is to maximize…

Signal Processing · Electrical Eng. & Systems 2026-01-15 Ying Gao , Qingqing Wu , Weidong Mei , Guangji Chen , Wen Chen , Ziyuan Zheng