Results 21 to 30 of about 1,858,395 (261)

Creation of Silicon-Vacancy Color Centers in Diamond by Ion Implantation

open access: yesFrontiers in Physics, 2021
Silicon-vacancy (SiV) centers in diamond are gaining an increased interest for application, such as in quantum technologies and sensing. Due to the strong luminescence concentrated in its sharp zero-phonon line at room temperature, SiV centers are being ...
S. Lagomarsino   +16 more
doaj   +1 more source

Precision atomic gravimeter based on Bragg diffraction

open access: yesNew Journal of Physics, 2013
We present a precision gravimeter based on coherent Bragg diffraction of freely falling cold atoms. Traditionally, atomic gravimeters have used stimulated Raman transitions to separate clouds in momentum space by driving transitions between two internal ...
P A Altin   +12 more
doaj   +1 more source

Intrusion Detection Quantum Sensor Networks

open access: yesSensors, 2022
This paper proposes a perimeter detection scheme based on the quantum physical properties of photons. Existing perimeter intrusion detection schemes, if using light, rely on the classical properties of light only.
Marius Nagy, Naya Nagy
doaj   +1 more source

Precision Measurement Noise Asymmetry and Its Annual Modulation as a Dark Matter Signature

open access: yesUniverse, 2021
Dark matter may be composed of self-interacting ultralight quantum fields that form macroscopic objects. An example of which includes Q-balls, compact non-topological solitons predicted by a range of theories that are viable dark matter candidates.
Benjamin M. Roberts, Andrei Derevianko
doaj   +1 more source

Measurement-based quantum computing with a spin ensemble coupled to a stripline cavity [PDF]

open access: yes, 2012
Recently, a new form of quantum memory was proposed. The storage medium is an ensemble of electron spins, coupled to a stripline cavity and an ancillary readout system.
Benjamin, Simon C.   +9 more
core   +1 more source

Implementable Hybrid Quantum Ant Colony Optimization Algorithm [PDF]

open access: yes, 2021
We propose a new hybrid quantum algorithm based on the classical Ant Colony Optimization algorithm to produce approximate solutions for NP-hard problems, in particular optimization problems.
Echanobe, Javier   +5 more
core   +1 more source

Strategies for Positive Partial Transpose (PPT) States in Quantum Metrologies with Noise

open access: yes, 2021
Quantum metrology overcomes standard precision limits and has the potential to play a key role in quantum sensing. Quantum mechanics, through the Heisenberg uncertainty principle, imposes limits on the precision of measurements.
Majumder, Arunava   +5 more
core   +1 more source

Computational optical imaging with a photonic lantern

open access: yesNature Communications, 2020
Here, the authors demonstrate a route to high resolution microendoscopy using a multicore fibre with a photonic lantern. They show that distinct multimode patterns of light can be projected from the output of the lantern by individually exciting the ...
Debaditya Choudhury   +9 more
doaj   +1 more source

Energy-efficient sensing in wireless sensor networks using compressed sensing [PDF]

open access: yes, 2014
Sensing of the application environment is the main purpose of a wireless sensor network. Most existing energy management strategies and compression techniques assume that the sensing operation consumes significantly less energy than radio transmission ...
Razzaque, Mohammad Abdur   +5 more
core   +1 more source

The Concept of a Quantum Edge Simulator: Edge Computing and Sensing in the Quantum Era

open access: yesSensors, 2022
Sensors, enabling observations across vast spatial, spectral, and temporal scales, are major data generators for information technology (IT). Processing, storing, and communicating this ever-growing amount of data pose challenges for the current IT ...
Ali Passian   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy