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A stable multiwavelength SOA-based fiber ring laser with ultra-narrow wavelength spacing |
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| Authors: | P. C. Peng A. L. Tsou H. H. Yee H. Y. Wang H. H. Lu |
| Affiliation: | 1.Department of Electro-Optical Engineering,National Taipei University of Technology,Taipei,Taiwan, R.O.C.;2.Department of Electrical Engineering,National Taipei University of Technology,Taipei,Taiwan, R.O.C.;3.Department of Information Technology and Communication,Tungnan University,New Taipei City,Taiwan, R.O.C. |
| Abstract: | This investigation demonstrates a stable multiwavelength fiber ring laser with ultra-narrow wavelength spacing using a semiconductor optical amplifier (SOA). A delay interferometer and a mirror are used as a double-pass interferometer to improve the signal-to-noise ratio in this experiment. Up to 181 stable lasing wavelengths with a wavelength spacing of 10.7 GHz and a signal-to-noise ratio of over 24 dB are produced at room temperature. |
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