Quantum noise cancellation in asymmetric speed metres with balanced homodyne readout
Sign Up to like & getrecommendations! Published in 2018 at "New Journal of Physics"
DOI: 10.1088/1367-2630/aae86e
Abstract: The Sagnac speed metre topology has been identified as a promising technique to reduce quantum back-action in gravitational-wave interferometers. However, imbalance of the main beamsplitter has been shown to increase the coupling of laser noise… read more here.
Keywords: quantum noise; speed; balanced homodyne; noise ... See more keywords
Robust quantum federated learning with noise
Sign Up to like & getrecommendations! Published in 2024 at "Physica Scripta"
DOI: 10.1088/1402-4896/ad4df2
Abstract: Federated learning is a decentralized machine learning approach where multiple participants collaboratively train machine learning models. With the development of quantum computing, there has been significant potential in the integration of quantum computing and federated… read more here.
Keywords: quantum federated; quantum noise; model; federated learning ... See more keywords
Probing the dichotomy between Yu-Shiba-Rusinov and Majorana bound states via conductance, quantum noise, and ΔT noise
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review B"
DOI: 10.1103/k95y-7zrb
Abstract: We investigate charge and spin conductance, charge and spin quantum noise, along with charge and spin $\Delta_T$ noise, as diagnostic tools to distinguish Yu-Shiba-Rusinov (YSR) states from Majorana-bound states (MBS) in a one-dimensional metal/spin-flipper/metal/insulator/superconductor junction.… read more here.
Keywords: charge spin; shiba rusinov; quantum noise; conductance ... See more keywords
Impact of quantum noise on phase transitions in an atom-cavity system with limit cycles
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.110.063314
Abstract: Quantum fluctuations are inherent in open quantum systems and they affect not only the statistical properties of the initial state but also the time evolution of the system. Using a generic minimal model, we show… read more here.
Keywords: system; limit; quantum noise; atom cavity ... See more keywords
Quantum-noise-induced nonreciprocity for single-photon transport in parity-time-symmetric systems
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review A"
DOI: 10.1103/physreva.111.013702
Abstract: We show nonreciprocal light propagation for single-photon inputs due to quantum noise in coupled optical systems with gain and loss. We consider two parity-time ($\mathcal{PT}$) symmetric linear optical systems consisting of either two directly coupled… read more here.
Keywords: quantum noise; parity time; single photon;
Classical simulation of arbitrary quantum noise
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.96.042338
Abstract: I present an explicit classical simulation of arbitrary quantum noise for quantum models in which one qubit interacts with a quantum bath. The classical model simulates the interaction of the bath and the qubit by… read more here.
Keywords: quantum; arbitrary quantum; quantum noise; classical simulation ... See more keywords
Multiaxis quantum noise spectroscopy robust to errors in state preparation and measurement
Sign Up to like & getrecommendations! Published in 2024 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.22.024074
Abstract: Characterizing temporally correlated (``non-Markovian'') noise is a key prerequisite for achieving noise-tailored error mitigation and optimal device performance. Quantum noise spectroscopy can afford quantitative estimation of the noise spectral features; however, in its current form… read more here.
Keywords: spectroscopy; noise spectroscopy; quantum noise; state preparation ... See more keywords
Broadband quantum noise reduction in future long baseline gravitational-wave detectors via EPR entanglement
Sign Up to like & getrecommendations! Published in 2019 at "Physical Review D"
DOI: 10.1103/physrevd.100.083011
Abstract: Broadband quantum noise reduction can be achieved in gravitational-wave detectors by injecting frequency-dependent squeezed light into the dark port of the interferometer. This frequency-dependent squeezing can be generated by combining squeezed light with external filter… read more here.
Keywords: broadband; gravitational wave; noise reduction; quantum noise ... See more keywords
Taming Quantum Noise for Efficient Low Temperature Simulations of Open Quantum Systems.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.230601
Abstract: The hierarchical equations of motion (HEOM), derived from the exact Feynman-Vernon path integral, is one of the most powerful numerical methods to simulate the dynamics of open quantum systems. Its applicability has so far been… read more here.
Keywords: open quantum; quantum noise; noise efficient; taming quantum ... See more keywords
Digital Key Distribution Protected by Recorded Quantum Noise
Sign Up to like & getrecommendations! Published in 2024 at "IEEE Access"
DOI: 10.1109/access.2024.3462530
Abstract: A new digital key distribution and encryption system for broad use is presented. It offers affordable perfect security for in-transit digital communications and is quantum-resistant. It uses true random bits generated from vacuum quantum fluctuations… read more here.
Keywords: key distribution; distribution; recorded quantum; quantum noise ... See more keywords
Transmission of Classical Information Over Noisy Quantum Channels–A Spectrum Approach
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Journal on Selected Areas in Communications"
DOI: 10.1109/jsac.2020.2969003
Abstract: Based upon the Fluctuation-Dissipation Theorem of Nyquist-Callen-Welton and the spectrum balancing relationship of Kubo-Martin-Schwinger for operator-valued stochastic noise processes, a two-parameter Quantum Noise-Energy Spectral Density (QN-ESD) is constructed and Fourier-Laplace transformed to obtain its associated… read more here.
Keywords: frequency; quantum noise; transmission; noise ... See more keywords