Ahmad, H and Awang, N A and Paul, Mukul Chandra and Pal, Mrinmay and Latif, A A and Harun, S W (2012) All fiber passively mode locked zirconium-based erbium-doped fiber laser. Optics and Laser Technology, 44 (3). pp. 534-537. ISSN 0030-3992

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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.

Item Type: Article
Uncontrolled Keywords: Zirconium-erbium doped fiber laser; Mode-locking; Non-Linear Polarization Rotation technique
Subjects: Processing Science
Divisions: Fiber Optics and Photonics
Depositing User: Bidhan Chaudhuri
Date Deposited: 28 May 2012 07:50
Last Modified: 28 May 2012 07:50
URI: http://cgcri.csircentral.net/id/eprint/1425

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