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Switchable single- and dual-wavelength erbium-doped fiber laser assisted by four-wave mixing with wide and continuous tunability |
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| Authors: | N A Cholan M H Al-Mansoori A S M Noor A Ismail M A Mahdi |
| Institution: | 1. Wireless and Photonics Networks Research Center, Faculty of Engineering, Universiti Putra Malaysia, 43400, UPM Serdang, Selangor, Malaysia 2. Department of Communication Engineering, Faculty of Electrical and Electronics Engineering, Universiti Tun Hussein Onn Malaysia, 86400, Parit Raja, Batu Pahat, Malaysia 3. Faculty of Engineering, Sohar University, PO Box 44, Sohar, PC 311, Oman |
| Abstract: | A widely tunable and stable erbium-doped fiber laser based on four-wave mixing effect in a highly nonlinear fiber is proposed and experimentally demonstrated. By adjusting reflected power from a dual-selective element, the ring laser is switchable between single- and dual-wavelength operations. The tuning range of the single laser is 22.78 nm, from 1,542.07 to 1,564.85 nm, while the wavelength spacing of the dual-wavelength can be continuously tuned from 0.52 to 22.78 nm. The laser is stable with output peak power fluctuation of <1 dB in 30-min interval. |
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