Photon blockade in non-Hermitian optomechanical systems with nonreciprocal couplings

JY Sun, HZ Shen - Physical Review A, 2023 - APS
We study the photon blockade at exceptional points for a non-Hermitian optomechanical
system coupled to the driven whispering-gallery-mode microresonator with two …

One-photon and two-photon blockades in a four-wave-mixing system embedded with an atom

Y Li, Z Yao, H Yang - Physical Review A, 2024 - APS
In this paper, the photon blockade effect in a nondegenerate four-wave-mixing system
embedded with a two-level atom has been studied. By using an analytical calculation and …

Simultaneous nonreciprocal conventional photon blockades of two independent optical modes by a two-level system

YM Liu, J Cheng, HF Wang, X Yi - Physical Review A, 2023 - APS
We propose a scheme to achieve nonreciprocal conventional photon blockades
simultaneously in two independent optical modes, which are connected by a two-level …

Nonreciprocal photon blockade in a spinning optomechanical system with nonreciprocal coupling

YM Liu, J Cheng, HF Wang, X Yi - Optics Express, 2023 - opg.optica.org
A scheme is presented to achieve quantum nonreciprocity by manipulating the statistical
properties of the photons in a composite device consisting of a double-cavity …

Parametric amplification induced giant nonreciprocal unconventional photon blockade in a single microring resonator

DW Liu, KW Huang, Y Wu, LG Si - Applied Physics Letters, 2023 - pubs.aip.org
We theoretically propose an all-optical scheme to implement a giant nonreciprocal
unconventional photon blockade (UPB) in a single photonic device. By considering the …

Single-mode photon blockade enhanced by bi-tone drive

M Li, YL Zhang, SH Wu, CH Dong, XB Zou, GC Guo… - Physical Review Letters, 2022 - APS
A scheme for observing photon blockade in a single bosonic mode with weak nonlinearity is
proposed and numerically verified. Using a simple bi-tone drive, sub-and super-Poissonian …

Environmentally induced photon blockade via two-photon absorption

YH Zhou, XY Zhang, T Liu, QC Wu, ZC Shi, HZ Shen… - Physical Review …, 2022 - APS
We propose that photon blockade can be enabled by a two-photon absorption environment.
The validity of this conclusion is confirmed by studying the blockade in a driven single-mode …

-photon blockade with an -photon parametric drive

YH Zhou, F Minganti, W Qin, QC Wu, JL Zhao, YL Fang… - Physical Review A, 2021 - APS
We propose a mechanism to engineer an n-photon blockade in a nonlinear cavity with an n-
photon parametric drive λ (a ̂† n+ a ̂ n). When an n-photon-excitation resonance …

Giant nonreciprocal unconventional photon blockade with a single atom in an asymmetric cavity

X **a, X Zhang, J Xu, H Li, Z Fu, Y Yang - Physical Review A, 2021 - APS
Inspired by the advantage of unconventional photon blockade (UCPB), we propose a simple
cavity-driven quantum electrodynamics model composed of a single two-level atom …

Simultaneously enhanced photon blockades in two microwave cavities via driving a giant atom

CM Zheng, W Zhang, DY Wang, X Han… - New Journal of …, 2023 - iopscience.iop.org
We propose a scheme to enhance photon blockades simultaneously in two microwave
cavities connected by a giant atom. In the case that only one cavity is weakly driven, we …