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Multiwavelength fiber laser using S-band erbium-doped fiber amplifier and semiconductor optical amplifier |
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| Authors: | Peng-Chun Peng Kai-Ming Feng Hung-Yu Chiou Ming-Fang Huang Sien Chi |
| Institution: | a Institute of Electro-Optical Engineering, National Chiao-Tung University, 1001 Ta Hsuech Road, Hsinchu 300, Taiwan, ROC b Institute of Communications Engineering and Department of Electrical Engineering, National Tsing Hua University, Hsinchu 300, Taiwan, ROC c Department of Electrical Engineering, Yuan Ze University, Chungli 320, Taiwan, ROC |
| Abstract: | A multiwavelength fiber ring laser that is based on an S-band erbium-doped fiber amplifier (EDFA) and a semiconductor optical amplifier (SOA) is developed. An optical switch is used to switch the multiwavelength fiber laser between S-band and L-band. This fiber laser can stably lase seven wavelengths in the S-band or 28 wavelengths in the L-band. Additionally, the lasing wavelengths with a signal-to-noise ratio of over 33 dB and a wavelength spacing of 100 GHz are demonstrated experimentally. The average powers of the lasing wavelength in the S-band and the L-band are −7.53 and −12.15 dBm, respectively. |
| Keywords: | S-band L-band Multiwavelength fiber laser Erbium-doped fiber amplifier |
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