Results 91 to 100 of about 69,922 (266)

Temporal distinguishability in Hong-Ou-Mandel interference for harnessing high-dimensional frequency entanglement

open access: yesnpj Quantum Information, 2021
High-dimensional quantum entanglement is currently one of the most prolific fields in quantum information processing due to its high information capacity and error resilience.
Yuanyuan Chen   +5 more
doaj   +1 more source

A non-Markovian optical signature for detecting entanglement in coupled excitonic qubits

open access: yes, 2007
We identify an optical signature for detecting entanglement in experimental nanostructure systems comprising coupled excitonic qubits. This signature owes its strength to non-Markovian dynamical effects in the second-order temporal coherence function of ...
Johnson, N. F.   +2 more
core   +1 more source

Subnatural-Linewidth Polarization-Entangled Photon Pairs with Controllable Temporal Length [PDF]

open access: yesPhysical Review Letters, 2014
We demonstrate an efficient experimental scheme for producing polarization-entangled photon pairs from spontaneous four-wave mixing (SFWM) in a laser-cooled $^{85}$Rb atomic ensemble, with a bandwidth (as low as 0.8 MHz) much narrower than the rubidium atomic natural linewidth.
Liao, Kaiyu   +5 more
openaire   +4 more sources

Artifact‐Minimizing Ultrathin Transparent Electrodes Fabricated via iCVD for In Vivo Optogenetic Stimulation and Neural Signal Monitoring of Primary Visual Cortex

open access: yesAdvanced Functional Materials, EarlyView.
We present ultrathin flexible transparent electrodes through iCVD‐enabled molecular control of 10 nm gold films on poly(dimethylaminomethylstyrene). In vivo validation demonstrated photoelectric artifact reduction vs. opaque electrodes and preservation of natural neural dynamics.
Tae Jin Mun   +11 more
wiley   +1 more source

What can unitary sequences tell us about multi-time physics? [PDF]

open access: yesQuantum
Multi-time quantum processes are endowed with the same richness as multipartite states, including temporal entanglement and exotic causal structures.
Gregory A. L. White   +4 more
doaj   +1 more source

A 3D Astrocyte Microenvironment Model Enables Rapid Ca2+‐Resolved Analysis and Therapeutic Modulation of Oxidative Neuroinflammation

open access: yesAdvanced Healthcare Materials, EarlyView.
This work presents ARC‐3D, a soft 3D model that recreates how brain support cells, called astrocytes, react to oxidative stress. The system visualizes rapid calcium changes and inflammatory signals, and shows how the drug KDS12025 can protect cells from damage. ARC‐3D offers a simple, reliable way to study early drivers of brain inflammation.
Ju‐Kang Kim   +6 more
wiley   +1 more source

Mapping the Cerebral Organoid Landscape: A Systematic Review of Preclinical 3D Models in Neuroscience

open access: yesAdvanced Healthcare Materials, EarlyView.
Cerebral organoids are transforming brain research, yet the field remains fragmented. This comprehensive systematic review maps 738 studies published between 2014 and 2024 to uncover trends, gaps, and opportunities across neuroscience. Introducing OrganoidMap—an interactive, open‐access platform to explore and compare models—this work enables ...
Anna Wolfram   +10 more
wiley   +1 more source

Experimental demonstration of entanglement-enhanced classical communication over a quantum channel with correlated noise

open access: yes, 2004
We present an experiment demonstrating entanglement-enhanced classical communication capacity of a quantum channel with correlated noise. The channel is modelled by a fiber optic link exhibiting random birefringence that fluctuates on a time scale much ...
Andrzej Dragan   +6 more
core   +1 more source

Time’s entanglements: Beauvoir and Fanon on reductive temporalities

open access: yesContinental Philosophy Review, 2022
AbstractSimone de Beauvoir and Frantz Fanon both argue that oppression fundamentally constrains the subject’s relationship to and embodied experience of time, yet their accounts of temporality are rarely brought together. This paper will explore what we might learn about the operation of different types of reductive temporality if we read Beauvoir and ...
openaire   +1 more source

Temporal shaping of single photons enabled by entanglement [PDF]

open access: yesPhysical Review A, 2017
We present a method to produce pure single photons with an arbitrary designed temporal shape in a heralded way. As an indispensable resource, the method uses pairs of time-energy entangled photons. One photon of a pair undergoes temporal amplitude-phase modulation according to the desired shape.
Averchenko, V.   +5 more
openaire   +2 more sources

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