Gain characteristics of a 210 km hybrid Raman/erbium-doped fiber amplified loop |
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| Authors: | Gaston E. Tudury Jonathan Hu Brian S. Marks Anthony S. Lenihan Curtis R. Menyuk |
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| Affiliation: | a Laboratory for Physical Sciences, College Park, MD 20740, United States
b University of Maryland at Baltimore County, Department of Computer Science and Electrical Engineering, 5200 Westland Boulevard 205A, Baltimore, MD 21250, United States |
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| Abstract: | As an alternative to using gain flattening filters or other optical devices that add attenuation to balance the gain in the optical spectrum, we have studied the effects of combining gain from Raman amplifiers and erbium-doped fiber amplifiers (EDFAs) in a fiber recirculating loop. We have shown a parameter range for which the gain profile is flat, and have analyzed the variation of the gain tilt as a function of the individual contributions of the Raman and EDFA amplifiers. |
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| Keywords: | EDFA Raman amplification Gain tilt compensation |
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