Ultrafast soliton mode-locked fiber laser at 1560 nm based on Znq2 as a saturable absorber

被引：9
|
作者：
Salam, Sameer [1 ,2 ]
Nizamani, Bilal [2 ]
Azooz, Salam M. [3 ]
Fizza, G. [4 ]
Yasin, M. [5 ]
Harun, S. W. [2 ]
机构：
[1] Imam Jaafar Al Sadiq Univ, Fac Informat Technol, Baghdad, Iraq
[2] Univ Malaya, Fac Engn, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
[3] Al Furat Al Awsat Tech Univ, Engn Tech Coll, Dept Commun Engn, Najaf, Iraq
[4] Quaid E Awam Univ Engn Sci & Technol, Dept Telecommun Engn, Nawabshah, Sindh, Pakistan
[5] Airlangga Univ, Fac Sci & Technol, Dept Phys, Surabaya, Indonesia
来源：
APPLIED OPTICS | 2021年 / 60卷 / 11期
关键词：
Saturable absorbers;
D O I：
10.1364/AO.418760
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A mode-locked fiber laser was developed by using bis(8-hydroxyquinoline) zinc (Znq(2)) as a saturable absorber (SA). Znq(2) is an organic metal chelate with several advantages such as good saturable absorption, relatively high damage threshold, and an easy, low-cost, and simple fabrication process. The developed SA based on Znq(2) has a linear absorption (at 1560 nm), modulation depth, and saturation intensity of 1.2 dB, 16.6 %, and 95 MW/cm(2), respectively. The laser cavity produced a very stable soliton mode-locking operation at 1560.6 nm with pulse duration, repetition rate, and SNR of 1.46 ps, 3.5 MHz, and 60.6 dB, respectively. This work is the first, to the best of our knowledge, to report Znq(2) as a mode locker. (C) 2021 Optical Society of America
引用
收藏
页码：3149 / 3154
页数：6
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