High gain S-band semiconductors optical amplifier with double-pass configuration |
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| Authors: | H Ahmad M Z Zulkifli N A Hassan A A Latif S W Harun |
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| Institution: | 1.Photonics Laboratory, Department of Physics,University of Malaya,Kuala Lumpur,Malaysia;2.Department of Electrical Engineering, Faculty of Engineering,University of Malaya,Kuala Lumpur,Malaysia |
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| Abstract: | In this paper we propose and demonstrate a double-pass configuration of a compact high gain short wavelength (S-) band amplifier
based on a semiconductor optical amplifier (SOA) operating from 1480 to 1520 nm. The proposed system provides gain value of
31.07 dB at a signal power level of −40 dBm taken at 1500 nm. The measure gain profile of the double-pass configuration over
different power levels and at different signal wavelengths outperforms that of the single-pass configuration. The noise figure
of both configurations averages out to 10 dB. This system provides a good alternative as a high-gain and compact amplifier
in the S-band region. |
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