Optimization of gain flattened C-band EDFA using macro-bending
Document Type
Article
Publication Date
1-1-2010
Abstract
Optimization of gain flattened C-band erbium-doped fiber amplifier (EDFA) using a macro- bending method with an improved gain flatness and bandwidth is demonstrated. The optimization for gain flatness and bandwidth was achieved by varying the bending radius and the length of the doped fiber. In the optimized condition, the gain saturation effect as well as the energy transfer from shorter wavelengths to longer wavelengths resulted in a flattened and broadened gain profile in the C-band region. The amplifier was optimized to a 9 m long erbium-doped fiber (EDF) with erbium ion concentration of 1100 ppm and bending radius of 6.5 mm. The gain variation of the EDFA is obtained within +/- 1 dB over 25 nm bandwidth of C-band region.
Keywords
Pump Power, Laser Phys, Wavelength Division Multiplex, Erbium Dope Fiber, Band Region
Divisions
fac_eng,PHYSICS
Publication Title
Laser Physics
Volume
20
Issue
6
Publisher
IOP Publishing
Publisher Location
233 SPRING ST, NEW YORK, NY 10013-1578 USA