High power dual-wavelength tunable fiber laser in linear and ring cavity configurations |
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Authors: | H. Ahmad A. A. Latif M. Z. Zulkifli N. A. Awang and S. W. Harun Photonics Laboratory |
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Affiliation: | , Department of Physics, University of Malaya, 50603 Kuala Lumpur, Malaysia 2 Department of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia |
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Abstract: | We describe and compare the performances of two crucial configurations for a tunable dual-wavelength fiber laser, namely, the linear and ring configurations. The performances of these two cavities and the tunability in the dual-wavelength output varied from 0.8 to 11.9 nm are characterized. The ring cavity provides a better performance, achieving an average output power of 0.5 dBm, with a power fluctuation of only 1.1 dB and a signal-to-noise ratio (SNR) of 66 dB. Moreover, the ring cavity has minimal or no background amplified spontaneous emission (ASE). |
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