Results 61 to 70 of about 4,829 (196)

Twisted MoS2 Bilayers as Functional Elements in Memtransistors: Hysteresis, Optical Signatures, and Photocurrent Kinetics

Advanced Electronic Materials, EarlyView.
ABSTRACT Layered 2D materials are considered as promising for memristive applications due to their ultimate vertical scalability compared to conventional semiconductor films and pronounced hysteresis properties. Bias‐resolved Raman and Photoluminescence mapping is used to quantify strain from phonon shifts and carrier density from the exciton‐trion ...
Vladislav Kurtash, Ilya Eliseyev, Valery Davydov, Heiko O. Jacobs, Jörg Pezoldt   +4 more
wiley   +1 more source

Stability optimization based on high-resolution spatial thermal distribution of a single 174Yb+ ion

Shenzhen Daxue xuebao. Ligong ban
Trapped ion systems play a vital role in fields such as quantum information processing and optical frequency standards. Low-energy, highly stable trapped ions enable precise quantum manipulation and significantly reduce Doppler effect.
NIU Haipo, ZHENG Pengcheng, HUANG Qiyin, HUANG Zerui, ZHANG Songqian, LIU Peiliang   +5 more
doaj   +1 more source

Coherence enhanced quantum metrology in a nonequilibrium optical molecule

New Journal of Physics, 2018
We explore the quantum metrology in an optical molecular system coupled to two environments with different temperatures, using a quantum master equation beyond secular approximation.
Zhihai Wang, Wei Wu, Guodong Cui, Jin Wang   +3 more
doaj   +1 more source

Interpreting quantum discord in quantum metrology

Journal of Physics: Conference Series, 2015
Multipartite quantum systems show properties which do not admit a classical explanation. In particular, even nonentangled states can enjoy a kind of quantum correlations called quantum discord. I discuss some recent results on the role of quantum discord in metrology. Given an interferometric phase estimation protocol where the Hamiltonian is initially
openaire   +2 more sources

AI‐Guided Co‐Optimization of Advanced Field‐Effect Transistors: Bridging Material, Device, and Fabrication Design

Advanced Intelligent Discovery, EarlyView.
This article outlines how artificial intelligence could reshape the design of next‐generation transistors as traditional scaling reaches its limits. It discusses emerging roles of machine learning across materials selection, device modeling, and fabrication processes, and highlights hierarchical reinforcement learning as a promising framework for ...
Shoubhanik Nath, Shauryaraj K. Jilkar, Aditya Udgaonkar, Yu (Joe) Lu, Ali Mesbah   +4 more
wiley   +1 more source

Approaching the critical point through an exact ground-state evolution

Physical Review Research
We investigate critical quantum metrology in a system where a qubit is dispersively coupled to a parametrically driven bosonic field. By engineering a counterdiabatic driving Hamiltonian under realistic physical constraints, we demonstrate a high ...
Jun-Hao Lin, Ke-Xiong Yan, Jie Song, Ye-Hong Chen, Yan Xia   +4 more
doaj   +1 more source

Quantum metrology with cold atomic ensembles

EPJ Web of Conferences, 2013
Quantum metrology uses quantum features such as entanglement and squeezing to improve the sensitivity of quantum-limited measurements. Long established as a valuable technique in optical measurements such as gravitational-wave detection, quantum ...
Mitchell Morgan W., Sewell R. J., Napolitano M., Koschorreck M., Dubost B., Behbood N., Kubasik M.   +6 more
doaj   +1 more source

ParamNet: A Physics‐Guided Deep Learning Framework for Intelligent Self‐Inversion of Vacuum Optical Levitation Systems

Advanced Intelligent Systems, EarlyView.
A physics‐guided deep learning framework, ParamNet, is introduced for the intelligent self‐inversion of vacuum optical tweezers. By fuzing dual‐branch time–frequency features with physical dynamical constraints, it achieves high‐accuracy calibration of trap parameters from short‐window, low‐frequency trajectories, outperforming traditional methods ...
Qi Zheng, Wenfeng Fan, Feng Li, Jian Wu, Wei Quan   +4 more
wiley   +1 more source

Enhanced parameter estimation by measurement of non-Hermitian operators

AAPPS Bulletin, 2023
Quantum metrology aims at delivering new quantum-mechanical improvement to technologies of parameter estimations with precision bounded by the quantum Cramér-Rao bound.
Jianning Li, Haodi Liu, Zhihai Wang, X. X. Yi   +3 more
doaj   +1 more source

A Two‐Stage Characterization Pipeline and Open‐Source Framework for Reproducible Tactile Sensing

Advanced Intelligent Systems, EarlyView.
The same soft tactile sensor returns different numbers when embodied in different robots. This is an Embodiment Gap that no shared framework currently captures transparently. A two‐stage characterization pipeline, paired with a FAIR open‐source digital datasheet, decouples intrinsic sensor behavior from embodiment effects and condenses cross‐laboratory
Matteo Lo Preti, Weng Buxiu, Petr Trunin, Muhammad Sunny Nazeer, Lucia Beccai, Perla Maiolino, Cecilia Laschi   +6 more
wiley   +1 more source