Simulating the resonance-mediated(1+2)-three-photon absorption enhancement in Pr3+ions by a rectangle phase modulation  

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作  者:Wenjing Cheng Yuan Li Hongzhen Qiao Meng Wang Shaoshuo Ma Fangjie Shu Chuanqi Xie and Guo Liang 程文静;李媛;乔红贞;王蒙;马绍朔;舒方杰;解传奇;梁果(Henan Province Engineering Research Center of Microcavity and Photoelectric Intelligent Sensing,School of Electronics and Electrical Engineering,Shangqiu Normal University,Shangqiu 476000,China;Department of Ophthalmology,First People’s Hospital of Shangqiu,Shangqiu 476000,China;The Key Laboratory of Weak Light Nonlinear Photonics Nankai University of Ministry of Education,Tianjin 300457,China)

机构地区:[1]Henan Province Engineering Research Center of Microcavity and Photoelectric Intelligent Sensing,School of Electronics and Electrical Engineering,Shangqiu Normal University,Shangqiu 476000,China [2]Department of Ophthalmology,First People’s Hospital of Shangqiu,Shangqiu 476000,China [3]The Key Laboratory of Weak Light Nonlinear Photonics Nankai University of Ministry of Education,Tianjin 300457,China

出  处:《Chinese Physics B》2022年第6期285-290,共6页中国物理B(英文版)

基  金:supported by the National Natural Science Foundation of China(Grant Nos.12004238 and 11764036);the Natural Science Foundation of Henan Province,China(Grant No.222102230068);the Open Subject of the Key Laboratory of Weak Light Nonlinear Photonics of Nankai University(Grant No.OS 21-3)。

摘  要:Enhancing the upconversion luminescence of rare earth ions is crucial for their applications in the laser sources,fiber optic communications,color displays,biolabeling,and biomedical sensors.In this paper,we theoretically study the resonance-mediated(1+2)-three-photon absorption in Pr^(3+) ions by a rectangle phase modulation.The results show that the resonance-mediated(1+2)-three-photon absorption can be effectively enhanced by properly designing the depth and width of the rectangle phase modulation,which can be attributed to the constructive interference between on-resonant and near-resonant three-photon excitation pathways.Further,the enhancement efficiency of resonance-mediated(1+2)-threephoton absorption can be affected by the pulse width(or spectral bandwidth)of femtosecond laser field,final state transition frequency,and absorption bandwidths.This research can provide a clear physical picture for understanding and controlling the multi-photon absorption in rare-earth ions,and also can provide theoretical guidance for improving the up-conversion luminescence.

关 键 词:coherent quantum control femtosecond pulse shaping three-photon absorption rare-earth ions 

分 类 号:TN24[电子电信—物理电子学]

 

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