Experimental and theoretical studies on a double-pass C-band bismuth-based erbium-doped fiber amplifier |
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Authors: | SW Harun R Parvizi A Parvizi H Arof |
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Institution: | a Photonics Research Center, Department of Physics, University of Malaya, 50603 Kuala Lumpur, Malaysia b Department of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia |
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Abstract: | Performance of a Bismuth-based Erbium-doped fiber amplifier is experimentally and theoretically investigated using 1480 nm pumping with double-pass scheme. In the theoretical analysis, the rate and power propagation equations are solved to examine the optimum length for the C-band operation as well as the gain and noise figure characteristics. The calculated small signal gain is 38 dB with gain variation of less than 3 dB. The measured gain is 4 dB lower due to spurious reflections which were ignored in the theoretical analysis. At input signal power of 0 dBm, a gain of 14.5 dB is obtained experimentally with gain variation of less than 1 dB within the wavelength region from 1530 to 1565 nm. The noise figure is less than 12 dB within this region. |
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Keywords: | Bismuth Erbium-doped fiber Optical amplifier C-band |
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