C-band continuously tunable lasers using tunable fiber Bragg gratings |
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| Authors: | Shien-Kuei Liaw Kuan-Luen Hung Yi-Tseng Lin Chia-Chin Chiang Chow-Shing Shin |
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| Affiliation: | aDepartment of Electronic Engineering, National Taiwan University of Science and Technology, Number 43, Sector 4, Keelung Road, Taipei 106, Taiwan, ROC;bDepartment of Mechanical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung 807, Taiwan, ROC;cDepartment of Mechanical Engineering, National Taiwan University, Number 1, Sector 4, Roosevelt Road, Taipei 106, Taiwan, ROC |
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| Abstract: | We report the development of a ring tunable fiber laser based on tunable fiber Bragg gratings (TFBG) integrated with an optical circulator. The TFBG is embedded inside a 3-piont bending device for wavelength tuning. The tunable laser operating in the C-band has power variation, tuning resolution, tuning range and laser line width of ±0.5 dB, 0.5 nm, 25.0 nm and less than 0.05 nm, respectively. As 40 mW of pump power is used, the ring tunable laser has a side mode suppression ratio of 60 dB and a power conversion efficiency of 25%. These specifications ensure the high-quality operation of a tunable laser. |
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| Keywords: | Tunable laser Fiber Bragg gratings Fiber laser |
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