| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Nanosecond Pulse Generation with Silver Nanoparticle Saturable Absorber |
| R. Z. R. R. Rosdin1, M. T. Ahmad1, A. R. Muhammad1, Z. Jusoh2, H. Arof1, S. W. Harun1,3** |
1Photonics Engineering Laboratory, Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
2Faculty of Electrical Engineering, Universiti Teknologi Mara (Terengganu), Dungun 23000, Malaysia
3Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya, Indonesia
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| Cite this article: |
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R. Z. R. R. Rosdin, M. T. Ahmad, A. R. Muhammad et al 2019 Chin. Phys. Lett. 36 054202 |
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Abstract Nanosecond pulse generation in an erbium-doped fiber laser (EDFL) passively mode-locked by a silver nanoparticle (SNP)-based saturable absorber (SA) is experimentally demonstrated. The SA is fabricated by depositing a nanosized SNP layer onto the surface of polyvinyl alcohol film through the thermal evaporation process. By inserting the SA into an EDFL cavity, stable mode-locked operation is achieved at 1561.5 nm with the maximum pulse energy up to 52.3 nJ. The laser operates at a pulse repetition frequency of 1.0 MHz with a pulse width of 202 ns. These results suggest that SNPs could be developed as an effective SA for mode-locking pulse generation.
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Received: 06 January 2019
Published: 17 April 2019
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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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| Fund: Supported by the Ministry of Higher Education Grant Scheme of Malaysia under Grant No PRGS/1/2017/STG02/UITM/02/1. |
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