A widely tunable dual-wavelength erbium-doped fiber ring laser operating in single longitudinal mode |
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| Authors: | Jing-ren Qian Lei Hong |
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| Institution: | Department of Electronics Engineering and Information Science, University of Science and Technology of China, EEIS, USTC, P.O. Box 4, Hefei, Anhui 230026, China |
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| Abstract: | A new mechanism to induce polarization hole burning effect in Er-doped fiber ring lasers is presented. By using this effect, incorporating with the counter-propagation of the two light beams, the inhomogeneous in the gain medium broadening was significantly increased, and thus a stable dual-frequency Er-doped fiber ring laser operating in single longitudinal mode and single-frequency was demonstrated. Frequency spacing was tunable from 0.47 GHz to THz. |
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| Keywords: | Dual-wavelength stimulation Polarization hole burning Erbium-doped fiber ring laser Tunable frequency spacing |
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