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author:

Cai, Enlin (Cai, Enlin.) [1] | Cui, Xiangpeng (Cui, Xiangpeng.) [2] | Guo, Leilei (Guo, Leilei.) [3] | Fan, Xiaoyan (Fan, Xiaoyan.) [4] | Zhang, Shuaiyi (Zhang, Shuaiyi.) [5] | Zhao, Bin (Zhao, Bin.) [6] (Scholars:赵斌) | Lou, Fei (Lou, Fei.) [7]

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EI

Abstract:

Due to the advantages of ultra-broad bandwidth absorption and easy fabrication, passively mode-locked ultrashort lasers using two-dimensional (2D) materials as saturable absorbers (SA) have attracted extensive attention in recent years. In this experiment, the structure and light absorption properties of 2D nickel-cobalt layered double metal hydroxide (NiCo-LDH) nanosheets are characterized. The nonlinear absorption coefficient of NiCo-LDH are measured by Z-scan method to be -1.1 cm/GW. Using the NiCo-LDH SA, passively mode-locking is realized in a Nd:YVO4 bulk laser near 1 μm, a Nd:Y0.15V0.85O4 bulk laser near 1.3 μm and a Tm:YAG ceramic bulk laser near 2 μm. In the 1 μm passively mode-locking experiment, a continuous wave mode-locking (CWML) laser is obtained at 1065.92 nm with a repetition rate of 69 MHz and a pulse width of 18.0 ps. To our knowledge, this is the first time a CWML laser has been obtained using a layered double hydroxides (LDHs) SA. In addition, Q-switched mode-locking (QML) lasers are obtained based on NiCo-LDH SA at 1.3 μm and 2 μm. The experiments demonstrate that NiCo-LDH mode locking is a very promising practical technique for directly generating ultrashort pulsed laser from a laser oscillator. © 2022 SPIE.

Keyword:

Cobalt compounds Light absorption Mode-locked fiber lasers Nanosheets Neodymium lasers Nickel compounds Passive mode locking Pulsed lasers Pulse repetition rate Saturable absorbers Yttrium aluminum garnet

Community:

  • [ 1 ] [Cai, Enlin]Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao; 266061, China
  • [ 2 ] [Cui, Xiangpeng]Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao; 266061, China
  • [ 3 ] [Guo, Leilei]Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao; 266061, China
  • [ 4 ] [Fan, Xiaoyan]Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao; 266061, China
  • [ 5 ] [Zhang, Shuaiyi]Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao; 266061, China
  • [ 6 ] [Zhao, Bin]College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou; 350108, China
  • [ 7 ] [Lou, Fei]Shandong Advanced Optoelectronic Materials and Technologies Engineering Laboratory, School of Mathematics and Physics, Qingdao University of Science & Technology, Qingdao; 266061, China

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ISSN: 0277-786X

Year: 2022

Volume: 12501

Language: English

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

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