| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Cadmium Selenide Polymer Microfiber Saturable Absorber for Q-Switched Fiber Laser Applications |
| A. H. A. Rosol1,3, H. A. Rahman1, E. I. Ismail2, N. Irawati3, Z. Jusoh3, A. A. Latiff4, S. W. Harun2** |
1Faculty of Electrical Engineering, University Teknologi Mara, Shah Alam 40450, Malaysia
2Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
3Faculty of Electrical Engineering, University Teknologi Mara (Terengganu), Dungun 23000, Malaysia
4Photonics Research Centre, University of Malaya, Kuala Lumpur 50603, Malaysia
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| Cite this article: |
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A. H. A. Rosol, H. A. Rahman, E. I. Ismail et al 2017 Chin. Phys. Lett. 34 094202 |
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Abstract We demonstrate the generation of a Q-switching pulse train in an erbium-doped fiber laser (EDFL) cavity using a newly developed cadmium selenide (CdSe) based saturable absorber (SA). The SA is obtained by embedding CdSe nanomaterials into a polymethyl methacrylate (PMMA) microfiber. It is incorporated into an EDFL cavity to generate a Q-switched laser operating at 1533.6 nm. The repetition rates of the produced pulse train are tunable within 37–64 kHz as the pump power is varied from 34 mW to 74 mW. The corresponding pulse width reduces from 7.96 μs to 4.84 μs, and the maximum pulse energy of 1.16 nJ is obtained at the pump power of 74 mW.
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Received: 22 June 2017
Published: 15 August 2017
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| PACS: |
42.55.Wd
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(Fiber lasers)
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42.60.Gd
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(Q-switching)
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42.70.Nq
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(Other nonlinear optical materials; photorefractive and semiconductor materials)
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