Supercontinuum generation using a passive mode-locked stretched-pulse bismuth-based erbium-doped fiber laser |
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| Authors: | NS Shahabuddin NA Awang H Ahmad H Arof K Dimyati Z Yusoff SW Harun |
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| Institution: | 1. Department of Electrical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia;2. Photonics Research Center, University of Malaya, 50603 Kuala Lumpur, Malaysia;3. Department Electrical and Electronic Engineering, National Defense University of Malaysia, Kem Sungai Besi, 57000 Kuala Lumpur, Malaysia;4. Faculty of Engineering, Multimedia University 63100 Cyberjaya, Malaysia |
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| Abstract: | A Supercontinuum (SC) generation in photonic crystal fiber (PCF) is demonstrated using an amplified picosecond stretched-pulses from a passive mode-locked Bismuth-based Erbium-doped fiber laser (Bi-EDFL). The Bi-EDFL employs of a piece of a highly nonlinear 49 cm long Bismuth-based Erbium-doped fiber (Bi-EDF), an optical isolator and a polarization controller in a cavity to generate a mode-locked stretched-pulse via a nonlinear polarization rotation technique. It operates at 1560 nm with a repetition rate of 42 MHz and a pulse width of 131 fs. The SC lights, which extends from 1250 nm to 1910 nm as well as in the visible green wavelength region are obtained with a 100 m long PCF and the amplified pump power of 30 dBm. |
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