Single and Double Brillouin Frequency Spacing Multi-Wavelength Brillouin Erbium Fiber Laser With Micro-Air Gap Cavity

Tiu, Zian Cheak and Aidit, S.N. and Hassan, N.A. and Ismail, Mohammad Faizal and Ahmad, Harith (2016) Single and Double Brillouin Frequency Spacing Multi-Wavelength Brillouin Erbium Fiber Laser With Micro-Air Gap Cavity. IEEE Journal of Quantum Electronics, 52 (9). pp. 1-5. ISSN 0018-9197

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Official URL: http://dx.doi.org/10.1109/JQE.2016.2592803

Abstract

Single and double Brillouin frequency spacing multi-wavelength Brillouin Erbium-doped fiber laser based on micro-air gap cavity is proposed and demonstrated. A 6.90-km dispersion shifted fiber is used as Brillouin gain medium to induce stimulated Brillouin scattering in the ring cavity. The micro-air gap cavity is constructed by aligning two polished fiber facets coaxially, and induces strong Fresnel reflection to switch the Brillouin frequency spacing from a double spacing to single spacing regime. Under the Brillouin pump power of 13 dBm and the laser diode pump power of 300 mW, five Stokes with a wavelength spacing of 0.160 nm and six Stokes with a wavelength spacing of 0.084 nm are generated. The fluctuation of the Stokes for both single and double Brillouin spacing regimes in the proposed setup are less than 3 dB throughout a 1-h time span. The variation of the cavity efficiency between the single and double spacing regimes is less than 1.2 dB.

Item Type: Article
Uncontrolled Keywords: Stimulated Brillouin Scattering; Single and double frequency spacing; Micro-air gap
Subjects: Q Science > Q Science (General)
T Technology > T Technology (General)
Divisions: Faculty of Engineering
Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 10 Oct 2017 02:47
Last Modified: 11 Oct 2018 03:14
URI: http://eprints.um.edu.my/id/eprint/17919

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