Article
Physics, Multidisciplinary
M. M. Minnegaliev, K. I. Gerasimov, S. A. Moiseev
Summary: An optical quantum memory protocol has been implemented to revive silenced echo at the telecommunication wavelength for signal light fields with a small number of photons. A long-lived (>1 s) absorption line has been initialized and an orthogonal geometry for the propagation of the signal and rephasing fields has been chosen. The efficiency of revival reached (17 +/- 1)% for the orthogonal polarization components of the signal pulse at a storage time of 60 μs. The input pulse contains an average of about 38 photons, the revived echo signal includes about 6 photons, and the signal-to-noise ratio is 1.3.
Review
Chemistry, Multidisciplinary
Ju Yong Park, Duk-Hyun Choe, Dong Hyun Lee, Geun Taek Yu, Kun Yang, Se Hyun Kim, Geun Hyeong Park, Seung-Geol Nam, Hyun Jae Lee, Sanghyun Jo, Bong Jin Kuh, Daewon Ha, Yongsung Kim, Jinseong Heo, Min Hyuk Park
Summary: The research on ferroelectric memories has been limited in the past due to scalability and compatibility issues. However, the discovery of ferroelectricity in certain oxides has revived interest in the field. The potential of inducing nanoscale nonvolatility in gate insulators has been demonstrated. However, technical limitations and variations in reliability need to be addressed for practical applications in various types of devices.
ADVANCED MATERIALS
(2023)
Article
Multidisciplinary Sciences
Benjamin Nagler, Sian Barbosa, Jennifer Koch, Giuliano Orso, Artur Widera
Summary: Relaxation of quantum systems is a central problem in nonequilibrium physics. Our study reveals that long-range phase coherence breaks down faster than the density response in disordered quantum systems, and the system takes longer to reestablish quantum coherence after the disorder is removed.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Multidisciplinary Sciences
Fatima Abbas, Silke Becker, Bryan W. Jones, Ludovic S. Mure, Satchidananda Panda, Anne Hanneken, Frans Vinberg
Summary: In this study, the researchers used the retina as a model to investigate the process of death and neuronal revival in the central nervous system. They found that under certain conditions, postmortem mouse and human retinas can revive synchronous in vivo-like trans-synaptic transmission. They also identified modifiable factors that drive reversible and irreversible loss of light signalling after death.
Article
Materials Science, Multidisciplinary
HaRu K. Park, Sung Bin Lee
Summary: The PXP model exhibits quantum many-body scars, which lead to periodic revival of wave function fidelity. In this study, we investigate how periodic driving in the PXP model can control the fidelity revival. We focus on a product state called the Neel state and analyze the condition of driving to enhance the magnitude or change the frequencies of revival. We find that the quantum fidelity features in the PXP model can be well explained by the free spin-1/2 model, and an analytic approach is also applied to explain the main features of the fidelity revival.
Article
Multidisciplinary Sciences
Jelena Rakonjac, Giacomo Corrielli, Dario Lago-Rivera, Alessandro Seri, Margherita Mazzera, Samuele Grandi, Roberto Osellame, Hugues de Riedmatten
Summary: The deployment of a full-fledged quantum internet requires finding suitable building blocks for entanglement distribution between remote quantum nodes. In this study, we demonstrate a fiber-integrated quantum memory entangled with a photon at telecommunication wavelength, allowing for stable addressing of the memory. Our analysis using fiber-based interferometers shows significant advancements in integrated storage of light-matter entanglement.
Article
Mathematics, Applied
Biswabibek Bandyopadhyay, Tanmoy Banerjee
Summary: This study demonstrates that quantum oscillation suppression states can be revoked and rhythmogenesis can be established in coupled quantum oscillators by controlling a feedback parameter. However, in the deep quantum regime, the feedback parameter fails to revive oscillations, and instead leads to a transition from quantum amplitude death to quantum oscillation death.
Article
Social Sciences, Interdisciplinary
Marina Biti, Iva Rosanda Zigo
Summary: The article examines the narrative voices in Ismet Prcic's memoir/novel Shards, focusing on the voice of the silenced narrator that emerges from a deep narrative level shaped by traumatic experience. Drawing on psychological insights and theoretical discussions, the concept of a proto-narrative is established as a distinctive narrative form.
Article
Materials Science, Multidisciplinary
Pengfei Zhang, Yu Chen
Summary: Kramers' theorem ensures double degeneracy in the energy spectrum of a time-reversal symmetric fermionic system with half-integer total spin. In this study, we go beyond closed systems and investigate the violation and revival of Kramers' degeneracy in open systems out of equilibrium. We find that the violation of Kramers' degeneracy in time-reversal symmetric open quantum systems is related to the system's thermal equilibrium. Furthermore, we demonstrate that the degeneracy in spectral function protected by unitary symmetry can always be maintained.
Article
Optics
Flavie Davidson-Marquis, Julian Gargiulo, Esteban Gomez-Lopez, Bumjoon Jang, Tim Kroh, Chris Mueller, Mario Ziegler, Stefan A. Maier, Harald Kuebler, Markus A. Schmidt, Oliver Benson
Summary: A study has shown modified electromagnetically induced transparency for a non-diffractive beam of light in an on-chip, laterally-accessible hollow-core light cage, demonstrating strong coherent light-matter coupling. The use of alumina nanofilm allows precise tuning of the high-transmission spectral region of the light-cage mode while protecting the polymer against corrosive alkali vapour.
LIGHT-SCIENCE & APPLICATIONS
(2021)
Article
Physics, Multidisciplinary
U. -Shin Kim, Yoon-Ho Kim
Summary: This Letter theoretically shows that the stationary light pulse (SLP) process supports two phase-matching conditions and experimentally demonstrates the simultaneous trapping of two optical pulses with SLP. This has important implications for the development of SLP-based applications.
PHYSICAL REVIEW LETTERS
(2022)
Article
Materials Science, Multidisciplinary
N. L. Jobbitt, J-P R. Wells, M. F. Reid, J. J. Longdell
Summary: In this study, the full magnetic g tensors of the (6)H(5/2)Z(1) and (4)G(5/2)A(1) electronic states in Sm3+:Y2SiO5 were presented, with maximum principle g' values determined for ground and excited states at two crystallographic sites. These g tensors provide important spin Hamiltonian parameters for future magnetic and hyperfine studies of Sm3+:Y2SiO5, with potential applications in quantum information storage and communication devices.
Article
Optics
Jingyi Fan, Shengshi Pang
Summary: In this work, we investigate the role of finite bath dimension in the Markovianity of quantum dynamics by considering a simple but nontrivial model. We find that the dynamics of the central spin transits from non-Markovian to Markovian as the number of the bath spins increases. The non-Markovianity is characterized by the information backflow from the bath to the system in terms of the trace distance of the system states. We derive the time evolution of the trace distance analytically, and find periodic collapse-revival patterns in the information flow.
Article
Optics
Yunlan Zuo, Ran Huang, Le-Man Kuang, Xun-Wei Xu, Hui Jing
Summary: A study has found that in a nonlinear optical-molecule system, the purely quantum effect of photon blockade can be revived by increasing loss during classical loss-induced transparency, leading to the emergence of a quantum critical point in the system. Simply tuning the loss can also realize a quantum switch between single-PB and two-PB.
Article
Mathematics, Applied
Ada Chan, Gabriel Coutinho, Whitney Drazen, Or Eisenberg, Chris Godsil, Mark Kempton, Gabor Lippner, Christino Tamon, Hanmeng Zhan
Summary: We develop a general spectral framework to analyze quantum fractional revival in quantum spin networks. In particular, we determine the presence of a block diagonal matrix in the adjacency algebra of a graph, which is required for fractional revival, and introduce generalizations of cospectral and strongly cospectral vertices to arbitrary subsets of vertices. We provide several graph constructions that exhibit fractional revival, resolving two open questions from Chan et al. (2019) [6].
LINEAR ALGEBRA AND ITS APPLICATIONS
(2022)
Article
Optics
Maimouna Bocoum, Jean-Luc Gennisson, Jean-Baptiste Laudereau, Anne Louchet-Chauvet, Jean-Michel Tualle, Francois Ramaz
Article
Instruments & Instrumentation
Anne Louchet-Chauvet, Rose Ahlefeldt, Thierry Chaneliere
REVIEW OF SCIENTIFIC INSTRUMENTS
(2019)
Article
Optics
R. Urmancheev, K. Gerasimov, M. Minnegaliev, T. Chaneliere, A. Louchet-Chauvet, S. Moiseev
Article
Optics
Anne Louchet-Chauvet, Perrine Berger, Pascale Nouchi, Daniel Dolfi, Alban Ferrier, Philippe Goldner, Loic Morvan
Article
Optics
Zhonghan Zhang, Anne Louchet-Chauvet, Loic Morvan, Perrine Berger, Philippe Goldner, Alban Ferrier
JOURNAL OF LUMINESCENCE
(2020)
Article
Multidisciplinary Sciences
Marianne Le Dantec, Milos Rancic, Sen Lin, Eric Billaud, Vishal Ranjan, Daniel Flanigan, Sylvain Bertaina, Thierry Chaneliere, Philippe Goldner, Andreas Erb, Ren Bao Liu, Daniel Esteve, Denis Vion, Emmanuel Flurin, Patrice Bertet
Summary: By selecting a host matrix with low nuclear-spin density (CaWO4) and quenching spectral diffusion at millikelvin temperatures, a 23-ms coherence time on Er3+ electron spin transition has been achieved, establishing Er3+:CaWO4 as a potential platform for quantum networks.
Article
Biochemical Research Methods
Quang Minh Thai, Ghadir Kalot, Caroline Venet, Johanne Seguin, Maimouna Bocoum, Nathalie Mignet, Francois Ramaz, Anne Louchet-Chauvet
Summary: In this study, in vivo ultrasound modulated optical tomography (UOT) was performed on mice using the persistent spectral hole burning (PSHB) effect in a Tm3+:YAG crystal. The injected optical absorber, indocyanine green (ICG) solution, was clearly identified on the PSHB-UOT images in both the muscle (following an intramuscular injection) and the liver (following an intravenous injection). This demonstration confirms the improved performance and increased technological maturity of the experimental setup compared to previous demonstrations.
BIOMEDICAL OPTICS EXPRESS
(2022)
Article
Physics, Condensed Matter
A. Louchet-Chauvet, T. Chaneliere
Summary: It was found that the excitation of rare-earth ions by light results in local changes in the host matrix shape due to alterations in the electronic orbital geometry of the ions. This study investigates the consequences of this piezo-orbital backaction and reveals a previously disregarded ion-ion interaction mediated by mechanical strain. The magnitude of this interaction, which scales as 1/r(3) similar to electric and magnetic dipole-dipole interactions, is quantitatively assessed and compared to reassess the existing literature on rare-earth doped systems.
JOURNAL OF PHYSICS-CONDENSED MATTER
(2023)
Article
Materials Science, Multidisciplinary
B. Car, J-L Le Gouet, T. Chaneliere
Article
Materials Science, Multidisciplinary
B. Car, L. Veissier, A. Louchet-Chauvet, J-L Le Gouet, T. Chaneliere
Article
Materials Science, Multidisciplinary
C. Venet, B. Car, L. Veissier, F. Ramaz, A. Louchet-Chauvet
Proceedings Paper
Optics
Anne Louchet-Chauvet
2018 INTERNATIONAL TOPICAL MEETING ON MICROWAVE PHOTONICS (MWP)
(2018)