Results 101 to 110 of about 386,203 (296)

Quantum tomography of light states by photon-number-resolving detectors

open access: yesNew Journal of Physics, 2019
We address state reconstruction by photon-number-resolving detectors, and demonstrate that they may be effectively exploited to perform quantum tomography of states of light.
Stefano Olivares   +4 more
doaj   +1 more source

Topological features without a lattice in Rashba spin-orbit coupled atoms

open access: yesNature Communications, 2021
Here, the authors study topology in spin-orbit coupled 87Rb atoms by using time domain spectroscopy and quantum state tomography. They measure full quantum state to extract the Berry phase of the system and show signatures of a half-integer Chern index.
A. Valdés-Curiel   +4 more
doaj   +1 more source

Describing a Quantum Channel by State Tomography of a Single Probe State

open access: yes, 2009
A general law is presented for (composite) quantum systems which directly describes the time evolution of quantum states (with one or both components) through an arbitrary noisy quantum channel.
Song, He-shan, Yu, Chang-shui
core   +1 more source

Advancing Electronic Application of Coordination Solids: Enhancing Electron Transport and Device Integration via Surface‐Mounted MOFs (SURMOFs)

open access: yesAdvanced Functional Materials, EarlyView.
The layer‐by‐layer (LbL) assembly of coordination solids, enabled by the surface‐mounted metal‐organic framework (SURMOF) platform, is on the cusp of generating the organic counterpart of the epitaxy of inorganics. The programmable and sequential SURMOF protocol, optimized by machine learning (ML), is suited for accessing high‐quality thin films of ...
Zhengtao Xu   +2 more
wiley   +1 more source

Adaptive Quantum State Tomography Improves Accuracy Quadratically [PDF]

open access: yesPhysical Review Letters, 2013
We introduce a simple protocol for adaptive quantum state tomography, which reduces the worst-case infidelity between the estimate and the true state from $O(N^{-1/2})$ to $O(N^{-1})$. It uses a single adaptation step and just one extra measurement setting.
Mahler, Dylan H   +5 more
openaire   +5 more sources

NanoMOF‐Based Multilevel Anti‐Counterfeiting by a Combination of Visible and Invisible Photoluminescence and Conductivity

open access: yesAdvanced Functional Materials, EarlyView.
This study presents novel anti‐counterfeiting tags with multilevel security features that utilize additional disguise features. They combine luminescent nanosized Ln‐MOFs with conductive polymers to multifunctional mixed‐matrix membranes and powder composites. The materials exhibit visible/NIR emission and matrix‐based conductivity even as black bodies.
Moritz Maxeiner   +9 more
wiley   +1 more source

Characterization of conditional state-engineering quantum processes by coherent state quantum process tomography

open access: yesNew Journal of Physics, 2015
Conditional quantum optical processes enable a wide range of technologies from generation of highly non-classical states to implementation of quantum logic operations.
Merlin Cooper   +3 more
doaj   +1 more source

Diluted maximum-likelihood algorithm for quantum tomography

open access: yes, 2007
We propose a refined iterative likelihood-maximization algorithm for reconstructing a quantum state from a set of tomographic measurements. The algorithm is characterized by a very high convergence rate and features a simple adaptive procedure that ...
A. I. Lvovsky   +8 more
core   +1 more source

Quantum state tomography with incomplete data: Maximum entropy and variational quantum tomography [PDF]

open access: yesPhysical Review A, 2013
7 pages, 7 ...
Gonçalves, D. S.   +5 more
openaire   +2 more sources

Biodegradable and Recyclable Luminescent Mixed‐Matrix‐Membranes, Hydrogels, and Cryogels based on Nanoscale Metal‐Organic Frameworks and Biopolymers

open access: yesAdvanced Functional Materials, EarlyView.
The study presents biodegradable and recyclable mixed‐matrix membranes (MMMs), hydrogels, and cryogels using luminescent nanoscale metal‐organic frameworks (nMOFs) and biopolymers. These bio‐nMOF‐MMMs combine europium‐based nMOFs as probes for the status of the materials with the biopolymers agar and gelatine and present alternatives to conventional ...
Moritz Maxeiner   +4 more
wiley   +1 more source

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