Optically Modulated Tunable O-Band Praseodymium-Doped Fluoride Fiber Laser Utilizing Multi-Walled Carbon Nanotube Saturable Absorber

被引：6
作者：
Ahmad, H. [1 ,2 ]
Ismail, M. F. [1 ]
Aidit, S. N. [1 ]
机构：
[1] Univ Malaya, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Univ Malaya, Fac Sci, Phys Dept, Kuala Lumpur 50603, Malaysia
来源：
CHINESE PHYSICS LETTERS | 2019年 / 36卷 / 10期
关键词：
FEMTOSECOND; SYSTEM; GENERATION;
D O I：
10.1088/0256-307X/36/10/104202
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A tunable and optically modulated fiber laser utilizing a multi-walled carbon nanotube based saturable absorber is demonstrated for operation in the O-band region. A praseodymium-doped fluoride fiber is used as the gain medium and the system is capable of generating modulated outputs at 1300 nm. Pulsed output is observed at pump powers of 511mW and above, with repetition rates and pulse widths that can be tuned from 41 kHz and 3.4 mu s to 48 kHz and 2.4 mu s, respectively, at the maximum pump power available. A maximum average output power of 100 mu W with a corresponding single pulse energy of 2.1 nJ is measured, while the tunability of the proposed laser is from 1290nm to 1308 nm. The output is stable, with peak power fluctuations of similar to 4 dB from the average value.
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页数：4
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