Supercontinuum generation of gold coated side-polished fiber based-mode-locked pulse

被引：4
|
作者：
Mahmud, N. N. H. E. N. [1 ]
Awang, N. A. [1 ]
Zulkefli, N. U. H. H. [1 ]
机构：
[1] Univ Tun Hussein Onn Malaysia, Fac Appl Sci & Technol, Photon Devices & Sensor Res Ctr PDSR, Dept Phys & Chem,Pagoh Educ Hub, Pagoh 84600, Johor, Malaysia
来源：
OPTIK | 2022年 / 260卷
关键词：
Supercontinuum; Side-polished fiber; Mode-locked; Highly nonlinear fiber; 3RD-ORDER OPTICAL NONLINEARITY; SATURABLE ABSORBER; COMPOSITE FILMS; LASER; NANOPARTICLES; EDF;
D O I：
10.1016/j.ijleo.2022.169074
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A supercontinuum (SC) generation is produced by mode-locked pulses incorporating gold-coated side-polished as saturable absorber (SA) inserted into a 50 m high nonlinear fiber (HNLF) in a 2.81 m single ring length cavity, with 0.5 m of erbium-doped-fiber (EDF). The side-polished fiber (SPF) is coated with a gold thin film using DC magnetron sputtering that acts as a saturable absorber (SA). Gold-SPF is inserted in the laser cavity to produce a passively mode-locked fiber laser, creating pulses with pulse energy, peak power, and repetition rate of 7.55 pJ, 13.25 W, and 38.73 MHz, respectively. This pulse is then injected into a 1.5 ps/nm.km dispersion of HNLF with a 50 m, giving an SC spectral bandwidth beyond 1700 nm from 1407.1 nm, with an FWHM pulse width of 570 fs.
引用
收藏
页数：11
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