Citation

Harun, S. W. and Saat, N. K. and Ahmad, H. (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

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Abstract

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. (c) 2005 Wiley Periodicals. Inc.

Item Type:	Article
Subjects:	T Technology > TA Engineering (General). Civil engineering (General)
Divisions:	Faculty of Engineering (FOE)
Depositing User:	Ms Rosnani Abd Wahab
Date Deposited:	12 Aug 2011 01:31
Last Modified:	12 Aug 2011 01:31
URII:	http://shdl.mmu.edu.my/id/eprint/2210

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