Spacing-Switchable Multiwavelength Fiber Laser Based on Nonlinear Polarization Rotation and Brillouin Scattering in Photonic Crystal Fiber

Shahabuddin, Nurul Shahrizan and Ahmad, Harith and Yusoff, Zulfadzli and Harun, Sulaiman Wadi (2012) Spacing-Switchable Multiwavelength Fiber Laser Based on Nonlinear Polarization Rotation and Brillouin Scattering in Photonic Crystal Fiber. IEEE Photonics Journal, 4 (1). pp. 34-38. ISSN 1943-0655

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Official URL: https://doi.org/10.1109/JPHOT.2011.2178400

Abstract

A new spacing-switchable multiwavelength erbium-doped fiber laser (EDFL) is demonstrated using switchable nonlinear polarization rotation (NPR) and stimulated Brillouin scattering (SBS) effects. The laser employs a 100-m-long photonic crystal fiber in conjunction with a four-port circulator in a figure-of-eight arrangement to provide the intensity-dependent transmission effect, as well as to discriminate the even-order and odd-order Brillouin Stokes to have a double-frequency Brillouin Stokes output. Without the Brillouin pump (BP), the laser operates in an NPR mode to produce at least 22 lasing wavelengths with a side mode suppression ratio of more than 10 dB and a wavelength spacing of 0.27 nm. In the Brillouin erbium fiber laser mode, at least 30 Brillouin lines with a spacing of 0.16 nm are obtained at BP power of 3 dBm and 980-nm pump power of 120 mW.

Item Type: Article
Uncontrolled Keywords: Erbium-doped fiber laser (EDFL); Multiwavelength; Nonlinear polarization rotation; Stimulated Brillouin scattering (SBS)
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: 03 Jan 2019 07:02
Last Modified: 03 Jan 2019 07:02
URI: http://eprints.um.edu.my/id/eprint/19891

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