Photon blockade induced by two-photon absorption in cavity quantum electrodynamics

被引：2
|
作者：
Feng, Ling-Juan [1 ]
Ni, Jia [1 ]
Gong, Shang-Qing [2 ]
机构：
[1] Shanghai Inst Technol, Sch Sci, Shanghai 201418, Peoples R China
[2] East China Univ Sci & Technol, Sch Phys, Shanghai 200237, Peoples R China
来源：
OPTICS EXPRESS | 2024年 / 32卷 / 04期
基金：
中国国家自然科学基金;
关键词：
!text type='PYTHON']PYTHON[!/text] FRAMEWORK; OPTICAL CAVITY; DYNAMICS; LIGHT; INTERFERENCE; GENERATION; BEHAVIOR; STATE; QUTIP;
D O I：
10.1364/OE.507086
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Photon blockade (PB) is an important quantum phenomenon in cavity quantum electrodynamics (QED). Here, we investigate the PB effect in the simplest cavity QED systems (one cavity containing first a single atom and then two atoms), where only the atoms are weakly driven. Via the analytical calculation and numerical simulation, we show that the strong PB can be generated even with the weak-coupling regime at the total resonance. This blockade is ascribed to the two-photon absorption, which is fundamentally different from the conventional and unconventional blockade mechanisms. Therefore, our study provides an alternative approach to produce the PB in the atom-driven cavity QED system. (c) 2024 Optica Publishing Group under the terms of the Optica Open Access Publishing Agreement
引用
收藏
页码：5117 / 5130
页数：14
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