Approaching scalable quantum memory with integrated atomic devices

B **g, S Wei, L Zhang, D Zhou, Y He, X Zou… - Applied Physics …, 2024 - pubs.aip.org
Quantum memory, which maps photonic quantum information into a stationary medium and
retrieves it at a chosen time, plays a vital role in the advancement of quantum information …

Active dual quasi-BICs in a dielectric metasurface with VO2 for slow light and optical modulation

Y Zhong, T Guo, Q Wang, W Du, C Tang, Z Yan - Optics Letters, 2024 - opg.optica.org
We investigate the temperature tunable dual quasi-bound states in the continuum (qBICs) in
a silicon/vanadium dioxide (Si/VO_2) hybrid metasurface with Q-factor being as large as …

Large array of Schrödinger cat states facilitated by an optical waveguide

WS Leong, M **n, Z Chen, S Chai, Y Wang… - Nature …, 2020 - nature.com
Quantum engineering using photonic structures offer new capabilities for atom-photon
interactions for quantum optics and atomic physics, which could eventually lead to …

High-bandwidth warm-atom quantum memory using hollow-core photonic crystal fibers

J Rowland, C Perrella, AN Luiten, R Gartman… - Physical Review …, 2024 - APS
We present an experimental realization of a noise-free and high-bandwidth quantum
memory scheme using a rubidium vapor that is confined within the hollow core of a photonic …

Photon retention in coherently excited nitrogen ions

J Yao, L Wang, J Chen, Y Wan, Z Zhang, F Zhang… - Science Bulletin, 2021 - Elsevier
Quantum coherence in quantum optics is an essential part of optical information processing
and light manipulation. Alkali metal vapors, despite the numerous shortcomings, are …

Enhancing fiber atom interferometer by in-fiber laser cooling

Y Wang, S Chai, T Billotte, Z Chen, M **n… - Physical Review …, 2022 - APS
We demonstrate an inertia sensitive atom interferometer optically guided inside a 22-cm-
long negative curvature hollow-core photonic crystal fiber with an interferometer time of 20 …

Suppressing the dephasing of optically trapped atoms inside a hollow-core fiber

Y Song, W Li, X Xu, R Han, C Gao, C Dai, N Song - Optics Letters, 2024 - opg.optica.org
We demonstrate the suppression of inhomogeneous dephasing of cold^ 87Rb atoms
optically trapped inside a hollow-core fiber. The differential light shift (DLS) for the clock …

RuLa: A programming language for ruleset-based quantum repeaters

R Satoh - arxiv preprint arxiv:2305.09895, 2023 - arxiv.org
Quantum Repeaters are one critical technology for scalable quantum networking. One of the
key challenges regarding quantum repeaters is their management of how they provide …

Loading and spatially resolved characterization of a cold atomic ensemble inside a hollow-core fiber

T Peters, LP Yatsenko, T Halfmann - Physical Review A, 2021 - APS
We present a thorough experimental investigation of the loading process of laser-cooled
atoms from a magneto-optical trap into an optical dipole trap located inside a hollow-core …

Ultra-slow-light and dynamically quantitative optical storage modulation via quasi-BICs

D Zeng, Z Wu, G Liu, M Yu, X Liu, J Chen, C Tang… - Optics Letters, 2024 - opg.optica.org
We achieve dynamically tunable dual quasi-bound states in the continuum (quasi-BICs) by
implementing them in a silicon–graphene multilayer composite structure and utilize the …