Nonreciprocal topological phonon transfer independent of both device mass and exceptional-point encircling direction

DG Lai, A Miranowicz, F Nori - Physical Review Letters, 2024 - APS
Imposing topological operations encircling an exceptional point (EP) engenders
unconventional one-way topological phonon transfer (TPT), strictly depending on the …

Quantum squeezing-induced quantum entanglement and EPR steering in a coupled optomechanical system

SX Wu, CH Bai, G Li, C Yu, T Zhang - Optics Express, 2023 - opg.optica.org
We propose a theoretical project in which quantum squeezing induces quantum
entanglement and Einstein-Podolsky-Rosen steering in a coupled whispering-gallery-mode …

Multimode optomechanical cooling via general dark-mode control

J Huang, DG Lai, C Liu, JF Huang, F Nori, JQ Liao - Physical Review A, 2022 - APS
The dark-mode effect is a stubborn obstacle for ground-state cooling of multiple degenerate
mechanical modes optomechanically coupled to a common cavity-field mode. Here we …

Phase-controlled robust quantum entanglement of remote mechanical oscillators

JX Liu, JY Yang, TX Lu, YF Jiao, H **g - Physical Review A, 2024 - APS
Quantum entanglement between distant massive mechanical oscillators has played a
central role in building and engineering quantum devices for application in long-distance …

Tripartite optomechanical entanglement via optical-dark-mode control

DG Lai, YH Chen, W Qin, A Miranowicz, F Nori - Physical Review Research, 2022 - APS
We propose how to generate a tripartite light-vibration entanglement by controlling an
optical dark mode (ODM), which is induced by the coupling of two optical modes to a …

Generation of two mode mechanical squeezing induced by nondegenerate parametric amplification

MA Wodedo, TG Tesfahannes, TY Darge… - Scientific Reports, 2024 - nature.com
Squeezing light in an optomechanical system involves reducing quantum noise in one of the
light's quadratures through the interaction between optical and mechanical modes …

Twice-enhanced quantum entanglement in a dual-coupled auxiliary-sphere-assisted cavity magnomechanical system

ZQ Liu, J Liu, L Tan, WM Liu - Physical Review A, 2024 - APS
We propose a mechanism to significantly enhance the photon-phonon entanglement twice
by coupling an auxiliary magnetic sphere to a standard cavity magnomechanical system …

Optomechanical dynamics in the - and broken--symmetric regimes

H Xu, DG Lai, YB Qian, BP Hou, A Miranowicz, F Nori - Physical Review A, 2021 - APS
We theoretically study the dynamics of an optomechanical system, consisting of a passive
optical mode and an active mechanical mode, in the PT-and broken-PT-symmetric regimes …

Exceptional refrigeration of motions beyond their mass and temperature limitations

DG Lai, CH Wang, BP Hou, A Miranowicz, F Nori - Optica, 2024 - opg.optica.org
Coaxing vibrations in the regimes of both large mass and high temperature into their
motional quantum ground states is extremely challenging, because it requires an ultra-high …

Thermal-noise-resistant optomechanical entanglement via general dark-mode control

J Huang, DG Lai, JQ Liao - Physical Review A, 2022 - APS
Quantum entanglement not only plays an important role in the study of the fundamentals of
quantum theory, but also is considered as a crucial resource in quantum information …