Mode-locking pulse generation in cladding pumped Erbium-Ytterbium co-doped fiber laser with graphene PVA film

被引：1
|
作者：
Babar, I. M. [1 ,3 ]
Harun, S. W. [1 ,2 ]
Yasin, M. [4 ]
Ahmad, H. [1 ]
机构：
[1] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Dept Elect Engn, Fac Engn, Kuala Lumpur 50603, Malaysia
[3] Univ Karachi, Main Univ Rd, Karachi 75270, Sindh, Pakistan
[4] Airlangga Univ, Fac Sci & Technol, Dept Phys, Surabaya, Indonesia
来源：
OPTIK | 2017年 / 136卷
关键词：
Mode-locked fiber laser; Erbium-Ytterbium co-doped fiber (EYDF); Graphene; Cladding pumping;
D O I：
10.1016/j.ijleo.2017.02.062
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A passively mode-locked fiber laser is demonstrated in a cladding pump system using double-clad Erbium-Ytterbium co-doped fiber (EYDF) as a gain medium. A graphene embedded in polyvinyl alcohol (PVA) film is incorporated in a laser cavity with a total length of 217.5 m, and anomalous cavity dispersion of -4.571 ps(2). The prepared saturable absorber has a modulation depth of 14%. The mode -locked EYDF laser operates at center wavelength of 1562.5 nm with a repetition rate of 0.92 MHz and pulse width of 387 ns. The maximum pulse energy 605 pJ is obtained at 300 mW pump power. The radio frequency (RF) spectrum shows a signal to noise ratio of 57 dB which indicates the stability of the laser. (C) 2017 Elsevier GmbH. All rights reserved.
引用
收藏
页码：531 / 535
页数：5
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