Results 171 to 180 of about 2,371,758 (319)

Extended Blahut-Arimoto Algorithm for Semantic Rate-Distortion Function. [PDF]

Entropy (Basel)
Han Y, Liu Y, Sun Y, Niu K, Ma N, Cui S, Zhang P.   +6 more
europepmc   +1 more source

Non‐Markovian Dynamics in Fiber Delay‐Line Buffers

Advanced Quantum Technologies, EarlyView.
A qubit‐fiber birefringence‐reservoir model is proposed to explore the non‐Markovian dynamics of the fiber‐based buffered photon and its paired photon. The non‐Markovian probability function is obtained by performing full quantum state tomography. The probability function fits well with experimental data and physical values.
Kim Fook Lee, Prem Kumar
wiley   +1 more source

Analysis of Outage Probability and Average Bit Error Rate of Parallel-UAV-Based Free-Space Optical Communications. [PDF]

Entropy (Basel)
Lin SH, Wang JY, Hua X.
europepmc   +1 more source

Dynamic Continuous Variable Quantum Key Distribution for Securing a Future Global Quantum Network

Advanced Quantum Technologies, EarlyView.
The article explores securing a dynamic global quantum network using continuous variable QKD, proposing a unified three‐layer network architecture for integrating existing QKD networks. It evaluates secret key rates across various channels and introduces the link capacity as a metric for determining the optimum path for secret key distribution in a ...
Mikhael T. Sayat, Sebastian P. Kish, Ping Koy Lam, Nicholas J. Rattenbury, John E. Cater   +4 more
wiley   +1 more source

Modeling and analysis of the coupling effect for large-scale multi-band optical networks. [PDF]

Sci Rep
Jin S, Gu R, Gao X, Ji Y.
europepmc   +1 more source

High‐Purity Single‐Photon Emission in the Telecom O‐Band from Droplet‐Epitaxy InAs Quantum Dots Integrated into a GaAs/AlGaAs Planar Microcavity on Vicinal GaAs(111)A Platform

Advanced Quantum Technologies, EarlyView.
High‐purity single‐photon emission at telecom O‐band is demonstrated from droplet‐epitaxy InAs quantum dots embedded in a GaAs/AlGaAs microcavity. Strain engineering via an InAlAs buffer enables broadband telecom emission with high purity, short lifetimes, and enhanced extraction.
Paweł Wyborski, Artur Tuktamyshev, Martin A. Jacobsen, Abdulmalik A. Madigawa, Stefano Vichi, Niels Gregersen, Stefano Sanguinetti, Battulga Munkhbat   +7 more
wiley   +1 more source

Modified Code Index Modulation Scheme Based on Multi-Carrier M-ary DCSK System. [PDF]

Entropy (Basel)
Yu B, Jiang GP, Yang H, Jia YQ, Liao H, Li X.   +5 more
europepmc   +1 more source

Flip‐Chip Integration of the Superconducting Quantum‐Classical Circuits: Coupling Types

Advanced Quantum Technologies, EarlyView.
This article explores the use of 3D modular architectures with flip‐chip technology to overcome scalability challenges in superconducting quantum processors. Based onλ/4 and λ/2 resonators, the article systematically analyzes capacitive, inductive, and galvanic interconnects.
Rustam D. Yusupov, Roman S. Tikhonov, Sergey A. Lisitsyn, Ivan A. Nazhestkin, Mikhail M. Khrenov, Irina E. Tarasova, Sergey V. Egorov, Margarita V. Zhdanova, Vladimir N. Antonov, Denis S. Baranov, Valery V. Ryazanov, Olga V. Tikhonova, Natalia A. Maleeva, Nikolay V. Klenov, Igor I. Soloviev, Dmitry S. Yakovlev   +15 more
wiley   +1 more source

When the lights went out: impacts of the April 2025 Iberian blackout on the Portuguese National Health Service sovereignty - a reflection on national defence, health sovereignty, risk, and infrastructural dependency. [PDF]

Front Public Health
Goiana-da-Silva F, Madureira-Fonseca D, Tude Graça D, Moitinho De Almeida M, Cabral Pinho M, Sá J, Moreira R, Cabral L, Pereira N, Nunes AM, Lourenço A, Branco J, Ashrafian H, Araújo F, Darzi A.   +14 more
europepmc   +1 more source

A Fully Automated Robotic System for Tuning Optimization of RF Cavity Filter

Journal of Field Robotics, EarlyView.
ABSTRACT The advancements in radar systems, electronic warfare, and telecommunication industries have generated a substantial demand for microwave filters. Among these, cavity filters have conventionally served in transmitters and receivers, facilitating the passage of desired signals in the passband while effectively rejecting harmonics and spurious ...
Yarkin Yigit, Engin Afacan
wiley   +1 more source