Results 31 to 40 of about 64,368 (307)
Physical Review Applied, 2022 Exquisite sensitivities are a prominent advantage of quantum sensors. Ramsey sequences allow precise measurement of direct current fields, while Hahn-echo-like sequences measure alternating current fields. However, the latter are restrained for use with high-frequency fields (above approximately $1$ kHz) due to finite coherence times, leaving less ...
E.D. Herbschleb +7 more
openaire +2 more sources
Toward incompatible quantum limits on multiparameter estimation
Nature Communications, 2023 In quantum multiparameter estimation, achieving the best precision for each parameter is hindered by the Heisenberg principle. Here, the authors demonstrate how to mitigate this problem by using appropriate probe states.
Binke Xia +4 more
doaj +1 more source
Nanotube double quantum dot spin transducer for scalable quantum information processing
New Journal of Physics, 2020 One of the key challenges for the implementation of scalable quantum information processing is the design of scalable architectures that support coherent interaction and entanglement generation between distant quantum systems.
Wanlu Song +4 more
doaj +1 more source
Weak signal extraction in non-stationary channel with weak measurement
Communications Physics, 2023 An emerging challenge of integrated communication and sensing is the extraction of weak sensing signals transmitted through an unknown non-stationary channel. In this work, we propose a weak signal extraction method with weak measurement.
Qi Song +7 more
doaj +1 more source
Interface Engineering Modulated Valley Polarization in MoS2/hBN Heterostructure
Nanomaterials, 2023 Layered transition metal dichalcogenides (TMDs) provide a favorable research platform for the advancement of spintronics and valleytronics because of their unique spin-valley coupling effect, which is attributed to the absence of inversion symmetry ...
Fang Li +9 more
doaj +1 more source
Quantum ghost imaging for remote sensing
, 2022 Paper 111340W, 7 S.We propose an advanced quantum ghost imaging setup for remote sensing applications, which does not rely on preliminary information on the distances of objects and investigate the quantum benefits of this setup for remote sensing ...
Paunescu, Gabriela +3 more
core +1 more source
Enhancing quantum sensing sensitivity by a quantum memory [PDF]
Nature Communications, 2016 AbstractIn quantum sensing, precision is typically limited by the maximum time interval over which phase can be accumulated. Memories have been used to enhance this time interval beyond the coherence lifetime and thus gain precision. Here, we demonstrate that by using a quantum memory an increased sensitivity can also be achieved.
Sebastian Zaiser +9 more
openaire +3 more sources
Law and Policy for the Quantum Age [PDF]
, 2021 Law and Policy for the Quantum Age is for readers interested in the political and business strategies underlying quantum sensing, computing, and communication.
Garfinkel, Simson L. +2 more
core +1 more source
Quantum Compressive Sensing: Mathematical Machinery, Quantum Algorithms, and Quantum Circuitry
, 2022 Compressive sensing is a sensing protocol that facilitates the reconstruction of large signals from relatively few measurements by exploiting known structures of signals of interest, typically manifested as signal sparsity.
Haleh Safavi +4 more
core +1 more source
Entropy considerations in improved circuits for a biologically-inspired random pulse computer
Scientific Reports, 2022 We present five novel or modified circuits intended for building a universal computer based on random pulse computing (RPC) paradigm, a biologically-inspired way of computation in which variable is represented by a frequency of a random pulse train (RPT)
Mario Stipčević, Mateja Batelić
doaj +1 more source