An efficient EYDFA with a 54 dB small signal gain

Muhd-Yassin, Shahrin Zen and Harun, Sulaiman Wadi and Abdul-Rashid, Hairul Azhar and Abd-Rahman, Mohd Kamil and Rahman, Faidz Abd and Ahmad, Harith (2007) An efficient EYDFA with a 54 dB small signal gain. Microwave and Optical Technology Letters, 49 (10). pp. 2337-2339. ISSN 0895-2477

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Official URL: http://dx.doi.org/10.1002/mop.22750

Abstract

An efficient erbium/ytterbium codoped fiber amplifier is demonstrated by using a dual-stage configuration with a midway optical isolator and a band-pass filter (BPF). The amplifier achieved a maximum low signal gain of 54 dB and a corresponding noise figure of 6.5 dB (1536 nm) using the input signal power and total pump power of -50 dBm and 140 mW. respectively. The gain obtained by the amplifier was about 12.5 dB higher than the gain of a conventional single-stage amplifier whereas its noise figure was 3.5 dB lower. Both isolator and BPF contribute to gain and noise figure improvements by blocking backward and forward propagating amplified spontaneous emission.

Item Type: Article
Uncontrolled Keywords: Er/Yb; EYDFA; Optical amplifier
Subjects: Q Science > Q Science (General)
Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Dept of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 17 Oct 2018 05:26
Last Modified: 17 Oct 2018 05:26
URI: http://eprints.um.edu.my/id/eprint/19685

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