Molybdenum Disulphide Tape Saturable Absorber for Mode-Locked Double-Clad Ytterbium-Doped All-Fiber Laser Generation

被引:11
|
作者
Rusdi, M. F. M. [1 ]
Latiff, A. A. [2 ]
Hanafi, E. [1 ]
Mahyuddin, M. B. H. [1 ]
Shamsudin, H. [2 ]
Dimyati, K. [1 ]
Harun, S. W. [1 ,2 ]
机构
[1] Univ Malaya, Dept Elect Engn, Fac Engn, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
关键词
MOS2; LAYER; FEMTOSECOND;
D O I
10.1088/0256-307X/33/11/114201
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We demonstrate the generation of passive mode-locked double-clad ytterbium-doped fiber laser operating in a 1-micron region. We prepare the saturable absorber from commercial crystal of molybdenum disulphide (MoS2). Without chemical procedure, the MoS2 is mechanically exfoliated by using a clear scotch tape. A few layers of MoS2 flakes are obtained on the tape. Then, a piece of 1 x 1 mm tape containing MoS2 thin flakes is inserted between two fiber ferrules and is integrated in the ring cavity. Stable mode-locking operation is attained at 1090 nm with a repetition rate of 13.2 MHz. Our mode-locked laser has a maximum output power of 20 mW with 1.48 nJ pulse energy. These results validate that the MoS2 has a broad operating wavelength which covers the 1-micron region, and it is also able to work in a high-power cavity.
引用
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页数:4
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