| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Erbium-Doped Zirconia-Alumina Silica Glass-Based Fiber as a Saturable Absorber for High Repetition Rate Q-Switched All-Fiber Laser Generation |
| P. Harshavardhan Reddy1,2, N. A. A. Kadir3, M. C. Paul1**, S. Das1, A. Dhar1, E. I. Ismail3, A. A. Latiff4,5, S. W. Harun3** |
1Fiber Optics and Photonics Division, CSIR-Central Glass and Ceramic Research Institute, Kolkata 700032, India
2Academy of Scientific and Innovative Research, CSIR-CGCRI Campus, Kolkata 700032, India
3Department of Electrical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
4Photonics Research Centre, University of Malaya, Kuala Lumpur 50603, Malaysia
5Faculty of Electronic and Computer Engineering (FKEKK), Universiti Teknikal Malaysia Melaka, Melaka 76100, Malaysia
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| Cite this article: |
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P. Harshavardhan Reddy, N. A. A. Kadir, M. C. Paul et al 2017 Chin. Phys. Lett. 34 084203 |
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Abstract We propose and demonstrate a Q-switched erbium-doped fiber laser (EDFL) using an erbium-doped zirconia-alumina silica glass-based fiber (Zr-EDF) as a saturable absorber. As a 16-cm-long Zr-EDF is incorporated into a ring EDFL cavity, a stable Q-switching pulse train operating at 1565 nm wavelength is successfully obtained. The repetition rate is tunable from 33.97 kHz to 71.23 kHz by increasing the pump power from the threshold of 26 mW to the maximum of 74 mW. The highest pulse energy of 26.67 nJ is obtained at the maximum pump power.
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Received: 08 May 2017
Published: 22 July 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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42.50.Nn
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(Quantum optical phenomena in absorbing, amplifying, dispersive and conducting media; cooperative phenomena in quantum optical systems)
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| Fund: Supported by the Postgraduate Research of Malaysia under Grant No PG098-2014B, and the CSIR of Government of India. |
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