The value of chromatic dispersion D throughout the gain spectrum of erbium doped fibre amplifiers (EDFA) is derived from the experimental measurement of the erbium ion susceptibility. The expression of D has been redefined (D*) in units of ps/nm/dB to give a practical value of this quantity. The results provided by the derivation show that chromatic dispersion is more relevant and reaches its maximum values D* = +/- 7 fs/nm/dB around the 1532 nm gain peak of EDFA.
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页码:1867 / 1869
页数:3
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[1]
Agrawal G. P., 2019, NONLINEAR FIBER OPTI, DOI 10.1016/C2018-0-01168-8