On-off switching of orbital-angular-momentum light via atomic collision

被引：1
作者：
Wu, Wei [1 ,2 ]
Wang, Zhiping [1 ,2 ]
Huang, Zhixiang [3 ,4 ]
Yu, Benli [1 ,2 ]
机构：
[1] Anhui Univ, Informat Mat & Intelligent Sensing Lab Anhui Prov, Hefei 230601, Peoples R China
[2] Anhui Univ, Key Lab Optoelect Informat Acquisit & Manipulat, Minist Educ, Hefei 230601, Peoples R China
[3] Anhui Univ, Informat Mat & Intelligent Sensing Lab Anhui Prov, Minist Educ, Hefei 230039, Anhui, Peoples R China
[4] Anhui Univ, Key Lab Intelligent Comp & Signal Proc, Minist Educ, Hefei 230039, Anhui, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2024年 / 175卷
基金：
中国国家自然科学基金;
关键词：
Switching; Orbital angular momentum; Collision effect; ENTANGLEMENT;
D O I：
10.1016/j.optlastec.2024.110872
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Data transmission using optical switching devices is currently the ultimate goal of most telecommunication research. Here we show that the collision effect of hot atoms, which is undesirable for most studies, can induce on -off switching of optical orbital angular momentum (OAM) light. By adjusting the temperature of atomic cell and the detuning of signal field, the transmission of signal field carrying OAM can be efficiently switched. In particular, we can achieve the "zero"transmission bandwidth of over 1 GHz. Due to the unique optical properties of OAM light, our proposal will open up a new avenue toward optical OAM switching devices and provides opportunities for applications in integrated optics and high-dimensional information networks based on OAM light.
引用
收藏
页数：7
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