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Chin. Opt. Lett.
 Home  List of Issues    Issue 02 , Vol. 16 , 2018    10.3788/COL201816.020007

High-power MoTe2-based passively Q-switched erbium-doped fiber laser
Mengli Liu1, Wenjun Liu1;2, Peiguang Yan3, Shaobo Fang2, Hao Teng2, Zhiyi Wei2
1 State Key Laboratory of Information Photonics and Optical Communications, School of Science, [Beijing University of Posts and Telecommunications], Beijing 1 00876, China
2 Beijing National Laboratory for Condensed Matter Physics, [Institute of Physics, Chinese Academy of Sciences], Beijing 100190, China
3 Shenzhen Key Laboratory of Laser Engineering, College of Optoelectronic Engineering, [Shenzhen University], Shenzhen 518060, China

Chin. Opt. Lett., 2018, 16(02): pp.020007

Keywords(OCIS Code): 160.4330  140.3540  140.3510  

Materials in the transition metal dichalcogenide family, including WS2, MoS2, WSe2, and MoSe2, etc., have captured a substantial amount of attention due to their remarkable nonlinearities and optoelectronic properties. Compared with WS2 and MoS2, the monolayered MoTe2 owns a smaller direct bandgap of 1.1 eV. It is beneficial for the applications in broadband absorption. In this letter, using the magnetron sputtering technique, MoTe2 is deposited on the surface of the tapered fiber to be assembled into the saturable absorber. We first implement the MoTe2-based Q-switched fiber laser operating at the wavelength of 1559 nm. The minimum pulse duration and signal-to-noise ratio are 677 ns and 63 dB, respectively. Moreover, the output power of 25 mW is impressive compared with previous work. We believe that MoTe2 is a promising 2D material for ultrafast photonic devices in the high-power Q-switched fiber lasers.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Posted online:2018/1/26

Get Citation: Mengli Liu, Wenjun Liu, Peiguang Yan, Shaobo Fang, Hao Teng, Zhiyi Wei, "High-power MoTe2-based passively Q-switched erbium-doped fiber laser," Chin. Opt. Lett. 16(02), 020007(2018)

Note: This work was supported by the National Natural Science Foundation of China (Grant Nos. 11674036, 11078022, and 61378040), the Beijing Youth Top-notch Talent Support Program (Grant No. 2017000026833ZK08), and the Fund of State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications, Grant Nos. IPOC2016ZT04 and IPOC2017ZZ05).


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