Results 61 to 70 of about 2,343,048 (182)

Increasing the classical data throughput in quantum networks by combining quantum linear network coding with superdense coding [PDF]

open access: yesPhysical Review A, 2019
This paper shows how network coding and superdense coding can be combined to increase the classical data throughput by a factor $2-\epsilon$ (for arbitrarily small $\epsilon > 0$) compared to the maximum that could be achieved using either network coding
Steven Herbert
semanticscholar   +1 more source

Beating the channel capacity limit for linear photonic superdense coding [PDF]

open access: bronzeNature Physics, 2008
Dense coding is arguably the protocol that launched the field of quantum communication. Today, however, more than a decade after its initial experimental realization, the channel capacity remains fundamentally limited as conceived for photons using linear elements.
Julio T. Barreiro   +2 more
openalex   +4 more sources

Superdense Coding over Optical Fiber Links with Complete Bell-State Measurements. [PDF]

open access: yesPhysical Review Letters, 2016
Adopting quantum communication to modern networking requires transmitting quantum information through a fiber-based infrastructure. We report the first demonstration of superdense coding over optical fiber links, taking advantage of a complete Bell-state
B. Williams   +2 more
semanticscholar   +1 more source

Generating multi-photon W-like states for perfect quantum teleportation and superdense coding [PDF]

open access: yesQuantum Information Processing, 2016
An interesting aspect of multipartite entanglement is that for perfect teleportation and superdense coding, not the maximally entangled W states but a special class of non-maximally entangled W-like states are required.
K. Li   +5 more
semanticscholar   +1 more source

Catalytic quantum error correction [PDF]

open access: yes, 2006
We develop the theory of entanglement-assisted quantum error correcting (EAQEC) codes, a generalization of the stabilizer formalism to the setting in which the sender and receiver have access to pre-shared entanglement.
Brun, Todd   +2 more
core   +2 more sources

More Communication with Less Entanglement

open access: yes, 2015
We exhibit the intriguing phenomena of "Less is More" using a set of multipartite entangled states. We consider the quantum communication protocols for the {\em exact} teleportation, superdense coding, and quantum key distribution. We find that sometimes
Adhikari, Satyabrata   +2 more
core   +1 more source

High‐Dimensional Quantum Communication: Benefits, Progress, and Future Challenges

open access: yesAdvanced Quantum Technologies, Volume 2, Issue 12, December 2019., 2019
Quantum communication with states living in d‐dimensional Hilbert spaces, qudits, yields great benefits. However, qudits generation, transmission, and detection is not a simple task to accomplish. This review presents the state‐of‐the‐art on the generation, propagation, and measurement of high‐dimensional quantum states, highlighting their advantages ...
Daniele Cozzolino   +3 more
wiley   +1 more source

Enhance Capacity Region of Multi‐Class IIoT Network by Applying Entanglement Assistance Protocol

open access: yesIET Quantum Communication, Volume 6, Issue 1, January/December 2025.
ABSTRACT In the Industrial Internet of Things (IIoT) context, heterogeneous IIoT nodes need diverse performance requirements, including throughput and quality of service (QoS). These IIoT nodes transmit data over a common shared communication medium. The existing critical challenge arises in efficiently scheduling access to this shared medium among a ...
Doaa Subhi, Laszlo Bacsardi
wiley   +1 more source

Virtual Correlations in Single Qutrit

open access: yesAdvances in Mathematical Physics, Volume 2016, Issue 1, 2016., 2016
We construct the positive invertible map of the mixed states of a single qutrit onto the antisymmetrized bipartite qutrit states (quasifermions). It is shown that using this one‐to‐one correspondence between qutrit states and states of two three‐dimensional quasifermions one may attribute hidden entanglement to a single mixed state of qutrit.
Alexey A. Strakhov   +2 more
wiley   +1 more source

In Situ TEM Investigation of the Lithiation and Delithiation Process Between Graphene Sheets in the Presence of Atomic Defects

open access: yesAdvanced Functional Materials, Volume 34, Issue 41, October 8, 2024.
The lithiation and delithiation processes within graphene sheets is studied in‐situ by spherical and chromatic aberration‐corrected transmission electron microscopy. Ultrathin fcc lithium crystals are found to nucleate at single carbon vacancies during lithiation. However, during delithiation, oxygen atoms initially embedded inside the lithium crystals
Yueliang Li   +8 more
wiley   +1 more source

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