Simple modeling approach for the temperature dependence of the gain of erbium-doped fiber amplifiers

Paul F. Wysocki; Nicholas Conti; Douglas P. Holcomb

doi:10.1117/12.371257

26 November 1999 Simple modeling approach for the temperature dependence of the gain of erbium-doped fiber amplifiers

Paul F. Wysocki, Nicholas Conti, Douglas P. Holcomb

Proceedings Volume 3847, Optical Devices for Fiber Communication; (1999) https://doi.org/10.1117/12.371257
Event: Photonics East '99, 1999, Boston, MA, United States

Abstract

In many practical wavelength-division multiplexed (WDM) systems, erbium-doped fiber amplifiers (EDFA) must maintain a flat gain spectrum over a broad bandwidth for a wide temperature range. When the flatness specification is tight, the temperature dependence of the erbium ion spectra is too great to allow flatness over a wide range of temperatures. To date, all observed temperature variation data has been for specific EDFA designs and no simple rule has been developed for extending the observations to a wide range of EDFAs. We show that the gain and absorption parameters of an erbium- doped fiber follow easily fit dependencies on temperature. Consequently, the change in an EDFA spectrum with temperature can be easily predicted by use of a computer model or sometimes by direct computations using the known dependencies. Physical insight into the meaning of the dependencies is presented and predictions for typical EDFAs are shown.

Citation Download Citation

Paul F. Wysocki, Nicholas Conti, and Douglas P. Holcomb "Simple modeling approach for the temperature dependence of the gain of erbium-doped fiber amplifiers", Proc. SPIE 3847, Optical Devices for Fiber Communication, (26 November 1999); https://doi.org/10.1117/12.371257

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