Vol. 15

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2010-07-28

Temperature Insensitive Broad and Flat Gain C-Band Edfa Based on Macro-Bending

By Parsin Hajireza, Siamak Dawazdah Emami, Soroush Abbasizargaleh, Sulaiman Wadi Harun, Deepak Kumar, and Hairul Azhar Abdul-Rashid
Progress In Electromagnetics Research C, Vol. 15, 37-48, 2010
doi:10.2528/PIERC10061607

Abstract

In this paper a new method is proposed to achieve a temperature insensitive, broad and flat gain C-band erbium-doped fiber amplifier (EDFA) with aid of macro-bending. This gain flattened C-band EDFA is demonstrated by utilizing 2.5 m macro-bent Erbium-doped fiber (EDF) at room temperature of 25℃. Further to this, it is shown that gain fluctuation at different temperatures is compensated in the proposed design. The EDFA performance at different temperatures is investigated for various macro-bending diameter and EDF length. The gain saturation and energy transfer from shorter wavelengths to longer wavelengths can be controlled by varying the bending radius and the length of the doped fiber, consequently, a flattened and broadened gain profile in the C-band region can be achieved. The amplifier uses a 2.5 m long EDF with 2000 ppm concentration and bending radius of 6.5 mm as a gain medium. The gain variation of the EDFA is obtained within ±0.5 dB over 35 nm bandwidth of C-band region.

Citation


Parsin Hajireza, Siamak Dawazdah Emami, Soroush Abbasizargaleh, Sulaiman Wadi Harun, Deepak Kumar, and Hairul Azhar Abdul-Rashid, "Temperature Insensitive Broad and Flat Gain C-Band Edfa Based on Macro-Bending," Progress In Electromagnetics Research C, Vol. 15, 37-48, 2010.
doi:10.2528/PIERC10061607
http://jpier.org/PIERC/pier.php?paper=10061607

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