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

Ahmad, Harith and Awang, Noor Azura and Paul, Mukul Chandra and Pal, Mrinmay and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2012) All fiber passively mode locked zirconium-based erbium-doped fiber laser. Optics & 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 ZirconiaYttriaAlumino-silicate fiber doped with erbium ions (ZrYAl-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 pJ. 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.

Item Type: Article
Uncontrolled Keywords: Zirconium-erbium doped fiber laser; Mode-locking; Non-Linear Polarization Rotation technique
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 04 Jan 2019 07:41
Last Modified: 04 Jan 2019 07:41

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