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Spectral gain hole-burning at 1.53 mu m in erbium-doped fiber amplifiers

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3 Author(s)
Desurvire, E. ; AT&T Bell Lab., Holmdel, NJ, USA ; Zyskind, J.L. ; Simpson, J.R.

Spectral gain hole-burning at lambda /sub 0/=1.53 mu m was observed in an erbium-doped fiber amplifier at temperatures between 4.2 and 77 K. The hole width was found to broaden with temperature for T>or=20 K according to a T/sup 1.73/ law. From the data, the room-temperature homogeneous linewidth associated with the 1.531- mu m transition in the /sup 4/I/sub 13/2/-/sup 4/I/sub 15/2/ laser system was determined to be Delta lambda /sub h/=11.5 nm for aluminosilicate fibers.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:2 ,  Issue: 4 )