Large array of Schrödinger cat states facilitated by an optical waveguide

WS Leong, M Xin, 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 …

Controlled transport of stored light

W Li, P Islam, P Windpassinger - Physical Review Letters, 2020 - APS
Controlled manipulation, storage, and retrieval of quantum information is essential for
quantum communication and computing. Quantum memories for light, realized with cold …

Balanced Coherence Times of Atomic Qubits of Different Species in a Dual Magic-Intensity Optical Dipole Trap Array

R Guo, X He, C Sheng, J Yang, P Xu, K Wang, J Zhong… - Physical review …, 2020 - APS
We construct a polarization-mediated magic-intensity (MI) optical dipole trap (ODT) array, in
which the detrimental effects of light shifts on the mixed-species qubits are efficiently …

Enhancing fiber atom interferometer by in-fiber laser cooling

Y Wang, S Chai, T Billotte, Z Chen, M Xin… - 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 …

Tightly Trapped Atom Interferometer inside a Hollow-Core Fiber

Y Song, W Li, X Xu, R Han, C Gao, C Dai, N Song - Photonics, 2024 - mdpi.com
We demonstrate a fiber-guided atom interferometer in a far-off-resonant trap (FORT) of 100
μK. The differential light shift (DLS) introduced by the FORT leads to the inhomogeneous …

Information entropy and population inversion of a three-level semiconductor quantum dot

DAM Abo-Kahla - Indian Journal of Physics, 2021 - Springer
In this paper, an analytical solution for a three-level semiconductor quantum dot has been
presented. From this solution, we have discussed the effects of the phenomenological …

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 …

Long light storage time in an optical fiber

WS Leong, M Xin, C Huang, Z Chen, SY Lan - Physical Review Research, 2020 - APS
Light storage in an optical fiber is an attractive component in quantum optical delay line
technologies. Although silica-core optical fibers are excellent in transmitting broadband …

Single-photon-level narrowband memory in a hollow-core photonic bandgap fiber

T Peters, TP Wang, A Neumann, LS Simeonov… - Optics …, 2020 - opg.optica.org
An experimental platform operating at the level of individual quanta and providing strong
light-matter coupling is a key requirement for quantum information processing. In our work …

Dark-state sideband cooling in an atomic ensemble

C Huang, S Chai, SY Lan - Physical Review A, 2021 - APS
We utilize the dark state in a Λ-type three-level system to cool an ensemble of Rb 85 atoms
in an optical lattice [Morigi, Phys. Rev. Lett. 85, 4458 (2000) PRLTAO 0031-9007 …