| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Brillouin Lasing with a Reduced Self-Pulsing Characteristic Using a Short-Length Erbium-Doped Fiber as the Nonlinear Gain Medium |
| A. Zarei1, R. Z. R. R. Rosdin1, N. M. Ali1, H. Ahmad2, S. W. Harun1,2** |
1Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
2Photonics Research Centre, University of Malaya, Kuala Lumpur 50603, Malaysia
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| Cite this article: |
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A. Zarei, R. Z. R. R. Rosdin, N. M. Ali et al 2014 Chin. Phys. Lett. 31 054202 |
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Abstract A single-wavelength Brillouin laser is demonstrated by using a 3-m-long erbium doped fiber (EDF) in a ring cavity. The EDF is used to provide both nonlinear and linear gains to generate a stimulated Brillouin scattering (SBS) and to amplify the generated SBS, respectively. The Brillouin erbium fiber laser (BEFL) operates at 1561.5 nm, where the operating wavelength is up-shifted by 0.08 nm from the Brillouin pump. The operation wavelength is also tunable within 1560.6–1562.6 nm. The BEFL also shows a self-pulsing characteristic with repetition of 66.7 kHz when the BP is set around the threshold pump power of 13 mW. Compared to the conventional Brillouin fiber laser with a long cavity length, the proposed BEFL exhibits a significantly lower amplitude of pulse. This laser has many potential applications, such as in optical communication and sensors.
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Published: 24 April 2014
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| PACS: |
42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.55.Wd
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(Fiber lasers)
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42.65.Es
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(Stimulated Brillouin and Rayleigh scattering)
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