High-quality 2-μm Q-switched pulsed solid-state lasers using spin-coating-coreduction approach synthesized Bi2Te3 topological insulators

Junpeng Qiao; Shengzhi Zhao; Kejian Yang; Wei-Heng Song; Wenchao Qiao; Chung-Lung Wu; Jia Zhao; Guiqiu Li; Dechun Li; Tao Li; Hong Liu; Chao-Kuei Lee

doi:10.1364/PRJ.6.000314

Photonics Research, Volume. 6, Issue 4, 314(2018)

High-quality 2-μm Q-switched pulsed solid-state lasers using spin-coating-coreduction approach synthesized Bi₂Te₃ topological insulators

Junpeng Qiao¹, Shengzhi Zhao^1,5、*, Kejian Yang¹, Wei-Heng Song², Wenchao Qiao¹, Chung-Lung Wu², Jia Zhao¹, Guiqiu Li¹, Dechun Li¹, Tao Li¹, Hong Liu³, and Chao-Kuei Lee^2,4,6、*

Author Affiliations

¹School of Information Science and Engineering, Shandong University, Jinan 250100, China

²Department of Photonics, Taiwan Sun Yat-sen University, 70 Lienhei Road, Kaohsiung 80424, China

³State Key Laboratory of Crystal Materials, Institute of Crystal Materials, Shandong University, Jinan 250100, China

⁴Research Center for Applied Sciences, Academia Sinica, 128 Sec. 2, Academic Road, Taipei 11529, China

⁵e-mail: shengzhi_zhao@sdu.edu.cn

⁶e-mail: chuckcklee@yahoo.com

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Fig. 1. AFM images and height variations of four TISAs. (a) TISA1; (b) TISA2; (c) TISA3; (d) TISA4.

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Fig. 2. Nonlinear transmittance curves versus input pulse influences.

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Fig. 3. Experimental setup of the Q-switched laser.

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Fig. 4. Average output powers of Q-switched lasers with different TISAs and different OCs.

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Fig. 5. Laser performances of Q-switched lasers with different TISAs versus incident pump powers. (a) Pulse durations; inset shows the temporal profile of the shortest duration of laser with TISA3 under pump power of 9.81 W; (b) pulse repetition rates; (c) single pulse energies; (d) pulse peak powers.

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Fig. 6. (a) The pulse train of laser with TISA3 under pump power of 9.81 W, and the inset shows the corresponding spectrum; (b) stability of average output power of Q-switched laser with TISA3 at the incident pump power of 9.81 W.

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Table 1. Comparisons of 2-μm Passively Q-Switched Lasers with BP, MoS2, WS2, and Bi2Te3 SAs^a

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Table 1. Comparisons of 2-μm Passively Q-Switched Lasers with BP, MoS2, WS2, and Bi2Te3 SAs^a

SA	Gain Medium	Wavelength	Output Power	Pump Efficiency	Pulse Width	Refs.
BP fiber	${Tm}^{3 +}$ , ${Ho}^{3 +}$ fiber	1912 nm	71.7 mW	11.95%	731 ns	[16]
BP	Tm:YAP	1988 nm	151 mW	4.47%*	1.78 μs	[17]
BP	Tm:YAP	1969 nm and 1979 nm	3.1 W	41.2%*	181 ns	[42]
BP ceramic	Tm:YAG	2009 nm	38.5 mW	0.5%*	2.9 μs	[43]
${MoS}_{2}$	Tm, Ho:YGG	2085 nm	206 mW	1.7%	410 ns	[19]
${MoS}_{2}$	$Tm : {GdVO}_{4}$	1902 nm	100 mW	3.2%*	800 ns	[20]
${MoS}_{2}$	Tm:CLNGG	1979 nm	62 mW	2.4%*	4.84 μs	[44]
${MoS}_{2}$	Tm, Ho:YAP	2129 nm	399 mW	4.7%	435 ns	[45]
${WS}_{2}$	Tm:LuAG	2013 nm	1.08 W	15.4%	660 ns	[46]
${Bi}_{2} {Te}_{3}$	${Tm}^{3 +}$ , ${Ho}^{3 +}$ fiber	1893 nm	0.68 mW	0.27%	1.71 μs	[25]
${Bi}_{2} {Te}_{3}$ fiber	${Tm}^{3 +}$ fiber	1957.6 nm	26 mW	3.3%	2.22 μs	[26]
${Bi}_{2} {Te}_{3}$	Tm:LuAG	2023.6 nm	2.03 W	16.9%	620 ns	[27]
${Bi}_{2} {Te}_{3}$	Tm:LuAG	2021.7 nm	1.74 W	17.7%	233 ns	This work

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Junpeng Qiao, Shengzhi Zhao, Kejian Yang, Wei-Heng Song, Wenchao Qiao, Chung-Lung Wu, Jia Zhao, Guiqiu Li, Dechun Li, Tao Li, Hong Liu, Chao-Kuei Lee, "High-quality 2-μm Q-switched pulsed solid-state lasers using spin-coating-coreduction approach synthesized Bi₂Te₃ topological insulators," Photonics Res. 6, 314 (2018)

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Paper Information

Category: Lasers and Laser Optics

Received: Dec. 15, 2017

Accepted: Feb. 2, 2018

Published Online: Aug. 1, 2018

The Author Email: Shengzhi Zhao (shengzhi_zhao@sdu.edu.cn), Chao-Kuei Lee (chuckcklee@yahoo.com)

DOI:10.1364/PRJ.6.000314

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Comparisons of 2-μm Passively Q-Switched Lasers with BP, MoS2, WS2, and Bi2Te3 SAsa

Table 1. Comparisons of 2-μm Passively Q-Switched Lasers with BP, MoS2, WS2, and Bi2Te3 SAsa

Table 1. Comparisons of 2-μm Passively Q-Switched Lasers with BP, MoS2, WS2, and Bi2Te3 SAs^a

Table 1. Comparisons of 2-μm Passively Q-Switched Lasers with BP, MoS2, WS2, and Bi2Te3 SAs^a