Stationary optomagnonic entanglement and magnon-to-optics quantum state transfer via opto-magnomechanics

ZY Fan, H Qian, J Li - Quantum Science and Technology, 2022 - iopscience.iop.org
We show how to prepare a steady-state entangled state between magnons and optical
photons in an opto-magnomechanical configuration, where a mechanical vibration mode …

[HTML][HTML] Cavity magnomechanics: from classical to quantum

X Zuo, ZY Fan, H Qian, MS Ding, H Tan… - New Journal of …, 2024 - iopscience.iop.org
Hybrid quantum systems based on magnons in magnetic materials have made significant
progress in the past decade. They are built based on the couplings of magnons with …

Cavity-mediated level attraction and repulsion between magnons

JMP Nair, D Mukhopadhyay, GS Agarwal - Physical Review B, 2022 - APS
We characterize some of the distinctive hallmarks of magnon-magnon interaction mediated
by the intracavity field of a microwave cavity, along with their testable ramifications. In …

Nonreciprocal single-photon state conversion between microwave and optical modes in a hybrid magnonic system

J Xie, S Ma, Y Ren, X Li, S Gao, F Li - New Journal of Physics, 2023 - iopscience.iop.org
Coherent quantum transduction between microwave and optical signals is of great
importance for long-distance quantum communication. Here we propose a novel scheme for …

Enhancement of synthetic magnetic field induced nonreciprocity via bound states in the continuum in dissipatively coupled systems

SA Biehs, GS Agarwal - Physical Review B, 2023 - APS
The nonreciprocal propagation of light typically requires use of materials like ferrites or
magneto-optical media with a strong magnetic bias or methods based on material …

Quantum amplification of spin currents in cavity magnonics by a parametric drive induced long-lived mode

D Mukhopadhyay, JMP Nair, GS Agarwal - Physical Review B, 2022 - APS
Cavity-mediated magnon-magnon coupling can lead to a transfer of spin-wave excitations
between two spatially separated magnetic samples. In this paper, we present a scheme to …

Tunable spin splitting of reflected Laguerre-Gaussian beams on controllable metamaterials with anti-PT symmetry

Z Feng, L Liu, L Guo, D Deng, G Wang, L Zhang… - Optics …, 2024 - opg.optica.org
The intriguing photonic spin Hall effect (PSHE) of reflected Laguerre-Gaussian (LG) beams
can be exhibited on the systems with optical anti-parity-time (Anti-PT) symmetry. During the …

Engineering bound states in continuum via a nonlinearity-induced extra dimension

Q Miao, JMP Nair, GS Agarwal - Physical Review Research, 2023 - APS
Bound states in continuum (BICs) are states of a system possessing significantly large
lifetimes with applications across various branches of science. In this work, we propose an …

Anomalous Long-Distance Coherence in Critically Driven Cavity Magnonics

Y Yang, J Yao, Y Xiao, PT Fong, HK Lau, CM Hu - Physical Review Letters, 2024 - APS
Developing quantum networks necessitates coherently connecting distant systems via
remote strong coupling. Here, we demonstrate long-distance coherence in cavity magnonics …

Enhanced sensing of optomechanically induced nonlinearity by linewidth suppression and optical bistability in cavity-waveguide systems

CW Liu, Y Liu, L Du, WJ Su, H Wu, Y Li - Optics Express, 2023 - opg.optica.org
We study the enhanced sensing of optomechanically induced nonlinearity (OMIN) in a cavity-
waveguide coupled system. The Hamiltonian of the system is anti-PT symmetric, with the two …