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基于偶极阻塞效应的单光子水平电磁感应透明

Single-Photon Level Electromagnetically Induced Transparency Based on Dipole Blockade Effect

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摘要

对量子化的探测场在一维超冷里德伯原子样品中的传播特性进行研究。基于偶极阻塞效应, 四能级原子的稳态电磁感应透明(EIT)光谱表现出典型的单光子水平的非线性现象:未饱和之前, 探测场透射率和光子关联依赖于探测场强度。调整两个经典控制场的单光子失谐, 能够实现对非线性EIT行为的灵活操控。通过改变拉比频率比例, 可观察到四能级原子系统到三能级梯形原子系统的非线性EIT转变。

Abstract

The transmission properties of the quantized probe field traveling in one-dimensional ultra-cold Rydberg atom samples are studied. Based on the dipole blockade effect, the steady-state spectrum of the electromagnetically induced transparency (EIT) of a four-level atom exhibits the typical nonlinearity at single-photon level. Namely, the field transmittance and photon correlation depend on the probe field intensity before the saturation. By changing the single-photon detuning of the two classical control fields, we realize the flexible manipulation of the nonlinear EIT behavior. By varying the ratio of the Rabbi frequencies, we can observe the transformation of nonlinear EIT from the four-level atomic system to the three-level trapezoidal atomic system.

Newport宣传-MKS新实验室计划
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中图分类号:O431.2

DOI:10.3788/aos201939.0427002

所属栏目:量子光学

基金项目:国家自然科学基金项目(11204019, 11874004)、教育部“春晖计划”项目(Z2017030)、吉林省教育厅项目(GH16102, 2017LY508L23)、吉林省科技厅项目(20180520175JH)、长春大学青年教师培育项目(ZK2018JBC08L14)

收稿日期:2018-10-23

修改稿日期:2018-11-23

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作者单位    点击查看

严冬:长春大学理学院材料设计与量子模拟实验室, 吉林 长春 130022
王彬彬:长春大学理学院材料设计与量子模拟实验室, 吉林 长春 130022
白文杰:长春大学理学院材料设计与量子模拟实验室, 吉林 长春 130022
田甜:长春大学理学院材料设计与量子模拟实验室, 吉林 长春 130022

联系人作者:严冬(ydbest@126.com)

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引用该论文

Yan Dong,Wang Binbin,Bai Wenjie,Tian Tian. Single-Photon Level Electromagnetically Induced Transparency Based on Dipole Blockade Effect[J]. Acta Optica Sinica, 2019, 39(4): 0427002

严冬,王彬彬,白文杰,田甜. 基于偶极阻塞效应的单光子水平电磁感应透明[J]. 光学学报, 2019, 39(4): 0427002

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