Results 41 to 50 of about 44,451 (275)

Enhancing Synaptic Plasticity and Multistate Retention of Organic Neuromorphic Devices Using Anion‐Excessive Gel Electrolyte

open access: yesAdvanced Functional Materials, EarlyView.
Anion‐excessive gel‐based organic synaptic transistors (AEG‐OSTs) that can maintain electrical neutrality are developed to enhance synaptic plasticity and multistate retention. Key improvement is attributed to the maintenance of electrical neutrality in the electrolyte even after electrochemical doping, which reduces the Coulombic force acting on ...
Yousang Won   +3 more
wiley   +1 more source

Deploying quantum light sources on nanosatellites II: lessons and perspectives on CubeSat spacecraft

open access: yes, 2015
To enable space-based quantum key distribution proposals the Centre for Quantum Technologies is developing a source of entangled photons ruggedized to survive deployment in space and greatly miniaturised so that it conforms to the strict form factor and ...
Bedington, Robert   +8 more
core   +1 more source

Tin‐Oxo Nanocluster Extreme UV Photoresists Equipped with Chemical Features for Atmospheric Stability and High EUV Sensitivity

open access: yesAdvanced Functional Materials, EarlyView.
Fluoroalkyl‐functionalized tin–oxo nanoclusters (N‐TOC6) enable robust pattern formation through ligand crosslinking under EUV exposure without thermal processing. Sn–F coordination mitigates the Lewis acidity of Sn centers, suppressing reactions with airborne molecules and improving post‐exposure pattern stability.
Yejin Ku   +18 more
wiley   +1 more source

Future GNSS constellations with optical inter-satellite links. Preliminary space segment analyses

open access: yes2019 IEEE Aerospace Conference, 2019
A potential development in future Global Navigation Satellite Systems is the use of optical inter-satellite links and optical frequency references to provide enhanced navigation and timing services. These services are chiefly dependent on the tight synchronization of signals broadcast by the constellation's satellites, which in turn depend on the ...
Giorgi, Gabriele   +2 more
openaire   +3 more sources

Advances in Quantum Teleportation [PDF]

open access: yes, 2015
Quantum teleportation is one of the most important protocols in quantum information. By exploiting the physical resource of entanglement, quantum teleportation serves as a key primitive in a variety of quantum information tasks and represents an ...
Braunstein, Samuel L.   +4 more
core   +2 more sources

Stacking‐Engineered Magnonic Topology and Transport in Honeycomb Homobilayers

open access: yesAdvanced Functional Materials, EarlyView.
ABSTRACT Topological magnons have emerged as a promising platform for dissipationless bosonic transport. However, a straightforward and effective strategy to engineer such topological states in real materials has yet to be fully realized. Here, a general scheme for controlling magnonic topological states via stacking engineering in van der Waals ...
Xiaoran Feng   +6 more
wiley   +1 more source

Experimental Research of Inter-Satellite Beaconless Laser Communication Tracking System Based on Direct Fiber Control

open access: yesPhotonics
We propose a compact, beaconless inter-satellite laser communication tracking system based on direct fiber control to address the complexity and resource demands of conventional pointing, acquisition, and tracking (PAT) architectures.
Yue Zhao   +3 more
doaj   +1 more source

Optical communication on CubeSats - Enabling the next era in space science

open access: yes, 2018
CubeSats are excellent platforms to rapidly perform simple space experiments. Several hundreds of CubeSats have already been successfully launched in the past few years and the number of announced launches grows every year.
Biswas, Abhijit   +6 more
core   +1 more source

High Entropy Wide‐Bandgap Borates with Broadband Luminescence and Large Nonlinear Optical properties

open access: yesAdvanced Functional Materials, EarlyView.
High‐entropy rare‐earth borates exhibit excellent nonlinear optical and broadband luminescence properties arising from multi‐component doping, chemical disorder, increased configurational entropy, and increased lattice and electronic anharmonicity. This formulation enabled us to obtain a large, environmentally stable single crystal with 3X higher laser‐
Saugata Sarker   +14 more
wiley   +1 more source

Long-Distance Quantum Communication with Entangled Photons using Satellites

open access: yes, 2003
The use of satellites to distribute entangled photon pairs (and single photons) provides a unique solution for long-distance quantum communication networks. This overcomes the principle limitations of Earth-bound technology, i.e. the narrow range of some
Anton Zeilinger   +5 more
core   +2 more sources

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