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Micromachines
Volume 15
Issue 8
10.3390/mi15081043
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Communication

Nonlinear Optical Response of Au/CsPbI3 Quantum Dots and Its Laser Modulation Characteristics at 2.7 μm

by
Mengqi Lv
1,
Jin Zhao
1,
Leilei Guo
1,
Yanxu Zhang
1,
Qiuling Zhao
1,
Lihua Teng
1,
Maorong Wang
1,*,
Shuaiyi Zhang
1 and
Xia Wang
1,2,*
1
Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao 266061, China
2
School of Physics and Technology, University of Jinan, Jinan 250022, China
*
Authors to whom correspondence should be addressed.
Micromachines 2024, 15(8), 1043; https://doi.org/10.3390/mi15081043
Submission received: 24 June 2024 / Revised: 11 August 2024 / Accepted: 16 August 2024 / Published: 18 August 2024
(This article belongs to the Special Issue Optical and Laser Material Processing)
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Abstract

A passively Q-switched Er:YAP laser of 2.7 µm, utilizing Au-doped CsPbI3 quantum dots (QDs) as a saturable absorber (SA), was realized. It was operated stably with a minimum pulse width of 185 ns and a maximum repetition rate of 480 kHz. The maximum pulse energy and the maximum peak power were 0.6 μJ and 2.9 W, respectively, in the Q-switched operation. The results show that the CsPbI3 QDs SA exhibits remarkable laser modulation properties at ~3 μm.
Keywords: nonlinear optics; Er:YAP; perovskite; quantum dots nonlinear optics; Er:YAP; perovskite; quantum dots

Share and Cite

MDPI and ACS Style

Lv, M.; Zhao, J.; Guo, L.; Zhang, Y.; Zhao, Q.; Teng, L.; Wang, M.; Zhang, S.; Wang, X. Nonlinear Optical Response of Au/CsPbI3 Quantum Dots and Its Laser Modulation Characteristics at 2.7 μm. Micromachines 2024, 15, 1043. https://doi.org/10.3390/mi15081043

AMA Style

Lv M, Zhao J, Guo L, Zhang Y, Zhao Q, Teng L, Wang M, Zhang S, Wang X. Nonlinear Optical Response of Au/CsPbI3 Quantum Dots and Its Laser Modulation Characteristics at 2.7 μm. Micromachines. 2024; 15(8):1043. https://doi.org/10.3390/mi15081043

Chicago/Turabian Style

Lv, Mengqi, Jin Zhao, Leilei Guo, Yanxu Zhang, Qiuling Zhao, Lihua Teng, Maorong Wang, Shuaiyi Zhang, and Xia Wang. 2024. "Nonlinear Optical Response of Au/CsPbI3 Quantum Dots and Its Laser Modulation Characteristics at 2.7 μm" Micromachines 15, no. 8: 1043. https://doi.org/10.3390/mi15081043

APA Style

Lv, M., Zhao, J., Guo, L., Zhang, Y., Zhao, Q., Teng, L., Wang, M., Zhang, S., & Wang, X. (2024). Nonlinear Optical Response of Au/CsPbI3 Quantum Dots and Its Laser Modulation Characteristics at 2.7 μm. Micromachines, 15(8), 1043. https://doi.org/10.3390/mi15081043

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