S-band depressed-cladding erbium-doped fiber amplifier with double-pass configuration |
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| Authors: | Foroni Matteo Poli Federica Cucinotta Annamaria Selleri Stefano |
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| Affiliation: | Dipartimento di Ingegneria dell'Informazione, Università di Parma, Viale G.P. Usberti 181/A, 43100 Parma, Italy. |
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| Abstract: | A new S-band erbium-doped fiber amplifier module with a double-pass configuration based on two circulators has been designed and constructed. The bending losses of a depressed-cladding doped fiber have been exploited to suppress the amplified spontaneous emission in the C band. The experimental characterization of the double-pass amplifier has shown that significant advantages can be obtained with respect to the single-pass configuration. |
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