| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Nanosecond Pulse Generation Using the Stimulated Brillouin Scattering Effect in a Photonic Crystal Fiber |
| Z. Jusoh1,3, N. S. Shahabuddin1,2, N. M. Ali1, H. Ahmad2, S. W. Harun1,2** |
1Department of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
2Photonic Research Centre, University of Malaya, 50603 Kuala Lumpur, Malaysia
3Faculty of Electrical Engineering, Universiti Teknologi MARA (UiTM), 40450 Shah Alam, Malaysia
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| Cite this article: |
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Z. Jusoh, N. S. Shahabuddin, N. M. Ali et al 2013 Chin. Phys. Lett. 30 114204 |
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Abstract A nanosecond pulsed laser is demonstrated using the stimulated Brillouin scattering (SBS) effect in a nonlinear photonic crystal fiber (PCF). The Brillouin fiber laser (BFL) uses a 50-m-long PCF in a simple ring cavity to generate a self-starting pulse as the Brillouin power reaches 16.5 dBm based on the relaxation oscillation technique. The BFL generates a pulse train with repetition rates of 2.7 MHz and 5.4 MHz depending on the BP power. The pulse width of the laser is obtained to be 190 ns at the BP power of 16.5 dBm and is maintained at around 72 ns as the pump power is set within 17.7 dBm and 18.5 dBm. The maximum pulse energy of 20 nJ is obtained at BP power of 17.4 dBm. This SBS based pulse laser is fairly stable at room temperature.
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Received: 18 July 2013
Published: 30 November 2013
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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.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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