Flat-gain wide-band erbium doped fiber amplifier with hybrid gain medium


Hamida, B.A. and Azooz, S. M. and Jasim, A. A. and A. Eltaif, Tawfig Ahmad and Khan, S. and Ahmad, H. and Harun, S. W. (2015) Flat-gain wide-band erbium doped fiber amplifier with hybrid gain medium. Optik - International Journal for Light and Electron Optics, 127 (5). pp. 2481-2484. ISSN 0030-4026

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A new erbium-doped fiber amplifier (EDFA) is demonstrated using a combination of zirconia-based erbium-doped fiber (Zr-EDF) and silica-based Erbium-doped fiber (Si-EDF) as the gain medium. The EDFA comprises a 2 m long Zr-EDF and 9 m long Si-EDF optimized for C- and L-band operations, respectively, in a double-pass parallel configuration. A chirp fiber Bragg grating (CFBG) is used in both stages to ensure double propagation of the signal and thus to increase the attainable gain in both C- and L-band regions. At an input signal power of 0 dBm, a flat gain of 15 dB is achieved with a gain variation of less than 0.5 dB within a wide wavelength range from 1530 to 1605 nm. The corresponding noise figure varies from 6.2 to 10.8 dB within this wavelength region.

Item Type: Article
Uncontrolled Keywords: Double-pass amplifier; Wideband amplifier; Zirconia-based erbium-doped fiber
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering > TK7800-8360 Electronics
Divisions: Faculty of Engineering and Technology (FET)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 28 Nov 2017 16:02
Last Modified: 28 Nov 2017 16:02
URII: http://shdl.mmu.edu.my/id/eprint/6521


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