Results 121 to 130 of about 5,139,381 (338)

Inter-satellite Quantum Key Distribution at Terahertz Frequencies

, 2019
Terahertz (THz) communication is a topic of much research in the context of high-capacity next-generation wireless networks. Quantum communication is also a topic of intensive research, most recently in the context of space-based deployments.
Green, Jonathan, Malaney, Robert, Wang, Ziqing   +2 more
core   +1 more source

Optoelectronic Devices for In‐Sensor Computing

Advanced Materials, EarlyView.
The raw data obtained directly from sensors in the noisy analogue domain is often unstructured, which lacks a predefined format or organization and does not conform to a specific data model. Optoelectronic devices for in‐sensor visual processing can integrate perception, memory, and processing functions in the same physical units, which can compress ...
Qinqi Ren, Chaoyi Zhu, Sijie Ma, Zhaoqing Wang, Jianmin Yan, Tianqing Wan, Weicheng Yan, Yang Chai   +7 more
wiley   +1 more source

Nonlocal realism tests and quantum state tomography in Sagnac-based type-II polarization-entanglement SPDC-source

Heliyon, 2021
We have experimentally created a robust, ultrabright and phase-stable polarization-entangled state close to maximally entangled Bell-state with %98-fidelity using the type-II spontaneous parametric down-conversion (SPDC) process in periodically-poled ...
Ali Motazedifard, S.A. Madani, J.J. Dashkasan, N.S. Vayaghan   +3 more
doaj  

Valley interference and spin exchange at the atomic scale in silicon

Nature Communications, 2020
Coupled donor wavefunctions in silicon are spatially resolved to evidence valley interference processes. An atomic-scale understanding of the interplay between interference, envelope anisotropy and crystal symmetries unveils a placement strategy ...
B. Voisin, J. Bocquel, A. Tankasala, M. Usman, J. Salfi, R. Rahman, M. Y. Simmons, L. C. L. Hollenberg, S. Rogge   +8 more
doaj   +1 more source

A comparative study of protocols for secure quantum communication under noisy environment: single-qubit-based protocols versus entangled-state-based protocols

, 2016
The effect of noise on various protocols of secure quantum communication has been studied. Specifically, we have investigated the effect of amplitude damping, phase damping, squeezed generalized amplitude damping, Pauli type as well as various collective
Banerjee, Subhashish, Pathak, Anirban, Sharma, Vishal, Thapliyal, Kishore   +3 more
core   +1 more source

The Deepest Blue: Major Advances and Challenges in Deep Blue Emitting Quasi‐2D and Nanocrystalline Perovskite LEDs

Advanced Materials, EarlyView.
In this review, the recent development of deep‐blue (≤465 nm) perovskite light‐emitting diodes (PeLEDs) are summarized, using different perovskite nanomaterials, including nanocrystals (NCs), quantum dots (QDs), nanoplatelets (NPLs), quasi‐2D thin film, 3D bulk thin film, as well as lead‐free perovskite nanomaterials.
Pui Kei Ko, Jianchao Ge, Pengbo Ding, Dezhang Chen, Hoi Lam Tammy Tsang, Nitish Kumar, Jonathan E. Halpert   +6 more
wiley   +1 more source

Two-electron spin correlations in precision placed donors in silicon

Nature Communications, 2018
Donor impurities in silicon are promising candidates as qubits but in order to create a large-scale quantum computer inter-qubit coupling must be introduced by precise positioning of the donors.
M. A. Broome, S. K. Gorman, M. G. House, S. J. Hile, J. G. Keizer, D. Keith, C. D. Hill, T. F. Watson, W. J. Baker, L. C. L. Hollenberg, M. Y. Simmons   +10 more
doaj   +1 more source

Electrochemically Driven Optical Dynamics of Reflectin Protein Films

Advanced Materials, Volume 37, Issue 12, March 26, 2025.
The use of electrochemical correlative ellipsometry and surface plasmon resonance spectroscopy to trigger, control, and observe changes in the optical properties of reflectin protein films is demonstrated. Voltage‐regulated charge neutralization allows tunable, reversible, and cyclic control of the water volume fraction in the reflectin film, thereby ...
Yin‐Chen Lin, Changxuan Yang, Seren Tochikura, Joshua R. Uzarski, Daniel E. Morse, Lior Sepunaru, Michael J. Gordon   +6 more
wiley   +1 more source

Retrospective Review on Reticular Materials: Facts and Figures Over the Last 30 Years

Advanced Materials, EarlyView.
To shape the future course of research in reticular materials, this work reflects on the progress over the past 30 years, complemented by input from the community of 228 active researchers through a global, crowdsourced survey: ranging from demographics, how it works, publish and interact, to highlights on both academic and industrial milestones, as ...
Aamod V. Desai, Stefano Canossa, Ekaterina A. Chernova, Simon M. Vornholt, Konstantin Stracke, Jack D. Evans, E. Eja Petersen, Stefan Wuttke, Romy Ettlinger   +8 more
wiley   +1 more source

Violet to Near‐Infrared Optical Addressing of Spin Pairs in Hexagonal Boron Nitride

Advanced Materials, Volume 37, Issue 12, March 26, 2025.
Spin‐dependent optical emission is observed in hexagonal boron nitride across a wide band of wavelengths from the violet to the near‐infrared, and attributed to spin defect pairs. These broadband spin pairs are found to exist naturally in a variety of samples from bulk crystals to powders to epitaxial films, and can be coherently controlled across the ...
Priya Singh, Islay O. Robertson, Sam C. Scholten, Alexander J. Healey, Hiroshi Abe, Takeshi Ohshima, Hark Hoe Tan, Mehran Kianinia, Igor Aharonovich, David A. Broadway, Philipp Reineck, Jean‐Philippe Tetienne   +11 more
wiley   +1 more source