Fundamental Limits to the Refractive Index of Transparent Optical Materials.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202103946
Abstract: Increasing the refractive index available for optical and nanophotonic systems opens new vistas for design, for applications ranging from broadband metalenses to ultrathin photovoltaics to high-quality-factor resonators. In this work, fundamental limits to the refractive… read more here.
Keywords: index; materials fundamental; dispersion; fundamental limits ... See more keywords
Fundamental Limits on the ElectronâPhonon Coupling and Superconducting Tc
Sign Up to like & getrecommendations! Published in 2024 at "Advanced Materials"
DOI: 10.1002/adma.202507013
Abstract: Fundamental upper bounds on the electronâphonon interaction strength and superconducting transition temperature Tc in metals are established based on the intrinsic instability of the equilibrium between electrons and the crystal lattice under strong interaction. This… read more here.
Keywords: phonon; limits electron; coupling superconducting; phonon coupling ... See more keywords
Fundamental Limits to the Coupling between Light and 2D Polaritons by Small Scatterers.
Sign Up to like & getrecommendations! Published in 2019 at "ACS nano"
DOI: 10.1021/acsnano.8b09283
Abstract: Polaritonic modes in two-dimensional van der Waals materials display short in-plane wavelengths compared with light in free space. As interesting as this may look from both fundamental and applied viewpoints, such large confinement is accompanied… read more here.
Keywords: small scatterers; limits coupling; polaritons small; fundamental limits ... See more keywords
Fundamental limits of repeaterless quantum communications
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/ncomms15043
Abstract: Quantum communications promises reliable transmission of quantum information, efficient distribution of entanglement and generation of completely secure keys. For all these tasks, we need to determine the optimal point-to-point rates that are achievable by two… read more here.
Keywords: limits repeaterless; quantum communications; quantum; communications fundamental ... See more keywords
Prospects and fundamental limits in exceptional point-based sensing
Sign Up to like & getrecommendations! Published in 2020 at "Nature Communications"
DOI: 10.1038/s41467-020-16373-8
Abstract: Exotic degeneracies in open quantum systems, so-called exceptional points, show rich physics and promise new applications, such as sensors with greatly enhanced response. Recent research on laser gyroscopes has uncovered limits of such sensors due… read more here.
Keywords: prospects fundamental; exceptional point; fundamental limits; limits exceptional ... See more keywords
Fundamental limits in high-Q droplet microresonators
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/srep41997
Abstract: Liquid droplet whispering-gallery-mode microresonators open a new research frontier for sensing, optomechanics and photonic devices. At visible wavelengths, where most liquids are transparent, a major contribution to a droplet optical quality factor is expected theoretically… read more here.
Keywords: droplet microresonators; droplet; high droplet; limits high ... See more keywords
Fundamental limits to attractive and repulsive Casimir-Polder forces
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.052115
Abstract: We derive upper and lower bounds on the Casimir--Polder force between an anisotropic dipolar body and a macroscopic body separated by vacuum via algebraic properties of Maxwell's equations. These bounds require only a coarse characterization… read more here.
Keywords: casimir polder; attractive repulsive; fundamental limits; limits attractive ... See more keywords
Fundamental limits of pulsed quantum light spectroscopy: Dipole moment estimation
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review A"
DOI: 10.1103/physreva.107.062601
Abstract: We study the fundamental limits of the precision of estimating parameters of a quantum matter system when it is probed by a travelling pulse of quantum light. In particular, we focus on the estimation of… read more here.
Keywords: dipole moment; spectroscopy; quantum light; estimation ... See more keywords
Fundamental Limits on the Repetition Rate of Photomagnetic Recording
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.12.044057
Abstract: In the last decade it was demonstrated that the fastest way to write information employs ultrashort laser pulses. Naturally such experiments raise questions about the ultimate limit of repetition rate at which light can switch… read more here.
Keywords: recording; fundamental limits; limits repetition; repetition rate ... See more keywords
Fundamental Limits on the Uplink Performance of the Dynamic-Ordered SIC Receiver
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3190624
Abstract: Due to the rapid and widespread growth of the Internet-of-Things (IoT) paradigm, present days witness an exponential increase in the number of connected devices. In this regard, the orthogonal transmission techniques featured by conventional 4G… read more here.
Keywords: ordered sic; number; sic receiver; dynamic ordered ... See more keywords
Fundamental Limits of Pulse-Based UWB ISAC Systems: A Parameter Estimation Perspective
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Internet of Things Journal"
DOI: 10.1109/jiot.2025.3603303
Abstract: This article investigates a bi-static integration of sensing and communication (ISAC) system for multitarget scenarios using impulse radio ultrawide bandwidth (IR-UWB) signals, which offer fine temporal resolution, low power consumption, and strong resistance to multipath… read more here.
Keywords: pulse based; uwb isac; fundamental limits; limits pulse ... See more keywords