| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Mode-Locked Soliton Erbium-Doped Fiber Laser with a Single-Walled Carbon Nanotube Poly-Ethylene Oxide Film Saturable Absorber |
| R. Z. R. R. Rosdin1, F. Ahmad1,2, N. M. Ali1, R. M. Nor3, N. R. Zulkepely3, S. W. Harun1, H. Arof1** |
1Department of Electrical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
2Department of Electrical Engineering, Universiti Teknologi Malaysia, Kuala Lumpur 54100, Malaysia
3Physics Department, University of Malaya, Kuala Lumpur 50603, Malaysia
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| Cite this article: |
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R. Z. R. R. Rosdin, F. Ahmad, N. M. Ali et al 2014 Chin. Phys. Lett. 31 094202 |
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Abstract We present a simple, compact and low-cost mode-locked erbium-doped fiber laser (EDFL) using single-walled carbon nanotubes (SWCNTs) embedded in a poly-ethylene oxide (PEO) thin film as a passive saturable absorber. The film is fabricated by using a prepared homogeneous SWCNT solution, which is mixed with a diluted PEO solution and cast onto a glass Petri dish to form, by evaporation, a thin film. The 50 μm-thick film is sandwiched between two fiber connectors to construct a saturable absorber, which is then integrated in an EDFL cavity to generate self-started stable soliton pulses operating at 1560.8 nm. The soliton pulse starts to lase at a pump power threshold of 12.3 mW with a repetition rate of 11.21 MHz, a pulse width of 1.02 ps, an average output power of 0.65 mW and a pulse energy of 57.98 pJ.
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Published: 22 August 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.Re
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(Ultrafast processes; optical pulse generation and pulse compression)
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