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Gain Limit in Analog Links Using Electroabsorption Modulators

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5 Author(s)
Betts, G.E. ; Photonic Syst., Inc, Billerica, MA ; Xie, X.B. ; Shubin, I. ; Chang, W.S.C.
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Analog optical links using electroabsorption modulators have a gain limit caused by the photocurrent in the modulator. The gain limit results in a minimum link noise figure as well. The gain limit is due to the voltage-dependent absorption causing a voltage-dependent component to the photocurrent; the gain limit applies to a modulator that has this relationship

Published in:

Photonics Technology Letters, IEEE  (Volume:18 ,  Issue: 19 )