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Synchronous tunable wavelength spacing dual-wavelength SOA fiber ring laser using Fiber Bragg grating pair in a hybrid tuning package |
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| Authors: | SS Chong H Ahmad MZ Zulkifli AA Latif WY Chong SW Harun |
| Institution: | 1. School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China;2. Joining and Welding Research Institute, Osaka University, 11-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan;1. Private Dental Office, H-7300 Pécsi út 1., Komló, Hungary;2. Szentágothai Research Center, Environmental Analytical and Geoanalytical Research Group, Ifjúság útja 20., H-7624, Pécs, Hungary;3. Department of Atomic Physics, Budapest University of Technology and Economics, Budafoki út 8., H-1111, Budapest, Hungary;4. Institute of Pharmaceutical Technology and Regulatory Affairs, Faculty of Pharmacy, University of Szeged, Zrínyi u. 9., H-6720, Szeged, Hungary;5. Department of Optics and Quantum Electronics, University of Szeged, Dóm tér 9., H-6720, Szeged, Hungary;6. Dental School, Medical Faculty, University of Pécs, Dischka Gy. u. 5., H-7621, Pécs, Hungary |
| Abstract: | A Dual-Wavelength Semiconductor Optical Amplifier (DW-SOA) based fiber ring laser with synchronous wavelength tunability is proposed and experimentally demonstrated. The SOA gain medium strongly suppresses mode competition, thus allowing stable dual-wavelength laser oscillation. The wavelength spacing of the two lasers can be tuned synchronously using a modified hybrid-tuning package incorporating a pair of Fiber Bragg Gratings (FBGs). The DW-SOA demonstrates a laser output with a wavelength spacing of between 0.10 and 8.30 nm (wavelength shift inequality of 0.08 to 0.75 nm). The relationship between the applied strain and wavelength shift of the two tuning modes is also analyzed. |
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