Unconventional photon blockade via two-photon absorption

被引:0
作者
Zhou, Yan-Hui [1 ]
Liu, Tong [1 ]
Zhang, Xing-Yuan [2 ]
Wu, Qi-Cheng [1 ]
Shi, Zhi-Cheng [3 ]
Yang, Chui-Ping [4 ]
机构
[1] Shangrao Normal Univ, Quantum Informat Res Ctr, Jiangxi Prov Key Lab Appl Opt Technol, Shangrao 334001, Peoples R China
[2] Dalian Maritime Univ, Dept Phys, Dalian 116026, Peoples R China
[3] Fuzhou Univ, Dept Phys, Fuzhou 350116, Peoples R China
[4] Hangzhou Normal Univ, Dept Phys, Hangzhou 311121, Peoples R China
基金
中国国家自然科学基金;
关键词
photon blockade; photons antibunching; photon statistics; OPTICAL CAVITY; PHASE STATES; GENERATION;
D O I
10.1088/1402-4896/ad6b56
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The unconventional photon blockade, which relies on the physical mechanism of quantum interference, is primarily investigated using a general master equation, where a weak nonlinearity must be presented in the system to achieve photon antibunching. In this study, we explore the unconventional photon blockade using an alternative master equation known as the two-photon absorption master equation, which is derived from the system and environment interaction via two-photon absorption. Specifically, we find that the unconventional photon blockade can be triggered in two-coupled cavities, where each cavity interacts with a two-photon absorption environment. Different from unconventional photon blockade via the general master equation, we show that the two-photon absorption acts as the weak nonlinearity, and this photon blockade corresponds to a large average photon number. To derive optimal conditions for achieving this blockade, we propose a non-Hermitian Hamiltonian method to describe the mode loss caused by the two-photon absorption. In addition, we highlight the distinctions between our proposal and other approaches for generating single-photon states based on two-photon absorption.
引用
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页数:10
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