Bouzid, Belloui and Abdullah, Mohamad Khazani and Mahdi, Mohd Adzir (2008) High-gain erbium-doped fiber amplifier incorporating a double-pass amplification technique as a preamplifier. Laser Physics, 18 (4). pp. 460-463. ISSN 1054-660X
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Official URL: http://dx.doi.org/10.1134/s11490-008-4020-4
We present a high-gain erbium-doped fiber amplifier to be utilized as a preamplifier. A double-pass amplification technique is used in the first-stage amplifier together with a tunable bandpass filter. The secondstage amplifier is a counter-pumped configuration and another tunable bandpass filter is utilized to filter out amplified spontaneous emission from the first-stage amplifier. This design is able to produce a high gain of 55.6 dB and a noise figure of 6.02 dB at 1530 nm with a signal power of −45 dBm. The receiver sensitivity measurement shows that the proposed amplifier improves the minimum detectable power from −33.7 to −40.8 dBm for a bit-error rate of 10−11 at 155 Mbps.
|Faculty or Institute:||Faculty of Engineering|
|Deposited By:||Mardhiah Mat Jusoh|
|Deposited On:||08 Nov 2010 11:49|
|Last Modified:||08 Nov 2010 11:54|
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