Two-stage S-band erbium-doped fiber amplifier using a depressed-cladding fiber

Harun, Sulaiman Wadi and Saat, Nor Kamilah and Ahmad, Harith (2005) Two-stage S-band erbium-doped fiber amplifier using a depressed-cladding fiber. Microwave and Optical Technology Letters, 46 (1). pp. 92-94. ISSN 0895-2477, DOI

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A two-stage short-wavelength-band erbium-doped fiber amplifier (S-band EDFA) is demonstrated using a depressed-cladding erbium-doped fiber (EDF). The EDF has a fundamental-mode cutoff wavelength of about 1525 nm in order to suppress amplified spontaneous emission at the longer wavelength. The highest gain curve is obtained by setting the first- and second-stage pumps at 85 and 190 mW, respectively, where the unsaturated gains are obtained at about 28 dB. The gain was limited by the 12-dBm saturation power of the amplifier. The unsaturated noise figure ranged from 8.5 to 9.3 dB for all pump combinations tested.

Item Type: Article
Uncontrolled Keywords: Depressed cladding EDF; Erbium-doped fiber amplifier; S-band; S-band EDFA
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 > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 17 Oct 2018 02:12
Last Modified: 17 Oct 2018 02:12

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