Reducing pulsewidth broadening in L-band EDFAs by use of a new L-band EDF

Jianjun Yu, Palle Jeppesen, Bera Palsdottir, Stig Nissen Knudsen

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Due to a small effective area of erbium-doped fiber (EDF), a short pulse will be broadened because of self-phase modulation when it is amplified in an L-band EDF amplifier (EDFA); hence, it is necessary to develop a new EDF with large Er3+ concentration to reduce the EDF length and a large effective area to reduce the nonlinear effect in the L-band EDFA. In this letter, it will be demonstrated that the pulsewidth can be maintained when a short pulse is amplified in an L-band EDFA consisting of a new L-band EDF.
Original languageEnglish
JournalI E E E Photonics Technology Letters
Issue number7
Pages (from-to)654 - 656
Publication statusPublished - 2001

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