All fiber passively mode locked zirconium-based erbium-doped fiber laser

被引：7
作者：
Ahmad, H. [1 ]
Awang, N. A. [1 ,2 ]
Paul, M. C. [3 ]
Pal, M. [3 ]
Latif, A. A. [1 ]
Harun, S. W. [4 ]
机构：
[1] Univ Malaya, Dept Phys, Photon Lab, Kuala Lumpur 50603, Malaysia
[2] Univ Tun Hussein Onn Malaysia, Fac Sci Technol & Human Dev, Batu Pahat 86400, Johor, Malaysia
[3] Cent Glass & Ceram Res Inst CSIR, Fiber Opt & Photon Div, Kolkata 700032, India
[4] Univ Malaya, Fac Engn, Dept Elect Engn, Kuala Lumpur 50603, Malaysia
来源：
OPTICS AND LASER TECHNOLOGY | 2012年 / 44卷 / 03期
关键词：
Zirconium-erbium doped fiber laser; Mode-locking; Non-Linear Polarization Rotation technique; RING LASER; COMB FILTER; LOCKING;
D O I：
10.1016/j.optlastec.2011.08.022
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
All passively mode locked erbium-doped fiber laser with a zirconium host is demonstrated. The fiber laser utilizes the Non-Linear Polarization Rotation (NPR) technique with an inexpensive fiber-based Polarization Beam Splitter (PBS) as the mode-locking element. A 2 m crystalline Zirconia-Yttria-Alumino-silicate fiber doped with erbium ions (Zr-Y-Al-EDF) acts as the gain medium and generates an Amplified Spontaneous Emission (ASE) spectrum from 1500 nm to 1650 nm. The generated mode-locked pulses have a spectrum ranging from 1548 nm to more than 1605 nm, as well as a 3-dB bandwidth of 12 nm. The mode-locked pulse train has an average output power level of 17 mW with a calculated peak power of 1.24 kW and energy per pulse of approximately 730 pi. The spectrum also exhibits a Signal-to-Noise Ratio (SNR) of 50 dB as well as a repetition rate of 23.2 MHz. The system is very stable and shows little power fluctuation, in addition to being repeatable. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：534 / 537
页数：4
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