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Employing dual-saturable-absorber-based filter for stable and tunable erbium-doped fiber ring laser in single-frequency |
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| Authors: | Yeh C -H Chow C -W Chen K -H Chen J -H |
| Institution: | 1.Information and Communications Research Laboratories, Industrial Technology Research Institute (ITRI), Hsinchu, 31040, Taiwan ;2.Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu, 30010, Taiwan ;3.Department of Electrical Engineering, Feng Chia University, Taichung, 40724, Taiwan ;4.Department of Photonics, Feng Chia University, Taichung, 40724, Taiwan ; |
| Abstract: | In this demonstration, a stable and wavelength-tunable erbium-doped fiber (EDF) ring laser using dual-saturable-absorber-based (DSAB) filter inside loop cavity is proposed and experimentally investigated. The proposed DSAB filter not only can filter the side-mode in single-frequency output, but also can obtain the flattened output power spectrum within 1 dB variation in the effectively range of 1529 to 1563 nm. In addition, the output stabilities of wavelength and power are also measured experimentally and discussed. |
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