Results 121 to 130 of about 1,078,579 (226)

Role of interaction range in critical quantum metrology for long-range Kitaev chain

New Journal of Physics
Long-range interacting quantum systems are useful for improving the performance of various applications of quantum technologies. In this work, we carry out a detailed analysis of how the long-range interaction affects the measurement precision in ...
Zhen-Xia Niu, Qian Wang
doaj   +1 more source

Noise Suppression via Gain‐Dispersion‐Managed Nonlinear Amplification in a High‐Power Er‐Fiber Laser

Laser &Photonics Reviews, EarlyView.
Gain‐dispersion‐managed nonlinear pre‐amplification simultaneously suppresses phase and intensity noise, enabling scalable high‐power fiber amplification. The system delivers 102.3 W linearly polarized pulses with 1.19 µJ energy at 85.69 MHz and compresses them to 380 fs. Near‐linear power scaling without evident saturation highlights a practical route
Mei Yang, Yuan Chen, Tingting Liu, Zhuoren Wan, Yan Dai, Suyang Xu, Zhengru Guo, Kun Huang, Ming Yan, Heping Zeng   +9 more
wiley   +1 more source

Single-shot adaptive measurement for quantum-enhanced metrology

, 2016
Quantum-enhanced metrology aims to estimate an unknown parameter such that the precision scales better than the shot-noise bound. Single-shot adaptive quantum-enhanced metrology (AQEM) is a promising approach that uses feedback to tweak the quantum ...
Abbott, Silver, Holevo, Price, Palittapongarnpim, Pantita, Palittapongarnpim, Yurke, Wittek, Peter, Sanders, Barry C., Kennedy, Vesterstrom   +10 more
core   +1 more source

Magnon squeezing in the quantum regime

Nature Communications
Squeezed states, crucial for quantum metrology and emerging quantum technologies, have been demonstrated in various platforms, but quantum squeezing of magnons in macroscopic spin systems remains elusive.
Yuan-Chao Weng, Da Xu, Zhen Chen, Li-Zhou Tan, Xu-Ke Gu, Jie Li, Hai-Feng Yu, Shi-Yao Zhu, Xuedong Hu, Franco Nori, J. Q. You   +10 more
doaj   +1 more source

Critical Quantum Metrology in the Non-Linear Quantum Rabi Model. [PDF]

Entropy (Basel), 2022
Ying ZJ, Felicetti S, Liu G, Braak D.
europepmc   +1 more source

Plasmon–Exciton Coupling Enhances Second‐Order Nonlinear Response in Borophene–ZnO Hybrid Structures

Laser &Photonics Reviews, EarlyView.
Nonlinear interactions between plasmons in borophene and excitons in ZnO lead to enhanced nonlinear and incoherent cathodoluminescence, as well as coherent second harmonic generation, under electron‐beam and laser irradiations, respectively. The anisotropic response of borophene, revealed as in‐plane hyperbolic polariton propagation, acts as a control ...
Maximilian Black, Yaser Abdi, Prabhdeep Singh, Bharti Garg, Zahra Alavi, Mohammadreza Alikhanim, Mohammad Hosein Salemi Seresht, Fatemeh Chahshouri, Masoud Taleb, Nahid Talebi   +9 more
wiley   +1 more source

Microwave Gaussian quantum metrology [Elektronisk resurs]

, 2023
With increasingly sensitive measurements being made possible by technological development, there arises situations where the effects of quantum mechanics have to be taken into account. While quantum mechanics tells us that there are fundamental limits of
Jonsson, Robert,
core  

Hybrid quantum-classical approach to enhanced quantum metrology. [PDF]

Sci Rep, 2021
Yang X, Chen X, Li J, Peng X, Laflamme R.   +4 more
europepmc   +1 more source

Chip Scale Emission of Blue Light at Elevated Temperatures in Optical Waveguides Integrated With Rubidium Vapor

Laser &Photonics Reviews, EarlyView.
An integrated atom‐clad waveguide enables chip‐scale blue light generation (420 nm) via a two‐photon ladder transition in rubidium vapor at temperatures up to 240°C. The observed bell‐shaped intensity profile reveals a competitive interplay between local photon generation and macroscopic vapor reabsorption.
Arieh Grosman, Ilan Sher, Roy Zektzer, Noa Mazurski, Uriel Levy   +4 more
wiley   +1 more source

Efficient tensor networks for control-enhanced quantum metrology [PDF]

Optimized quantum control can enhance the performance and noise resilience of quantum metrology. However, the optimization quickly becomes intractable when multiple control operations are applied sequentially.
Yuxiang Yang, Qiushi Liu, Yang, Yuxiang, Liu, Qiushi   +3 more
core   +1 more source