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An analytic and experimental comparison of direct and external modulation in analog fiber-optic links

✍ Scribed by Cox, C.H., III; Betts, G.E.; Johnson, L.M.

Book ID
114552775
Publisher
IEEE
Year
1990
Tongue
English
Weight
843 KB
Volume
38
Category
Article
ISSN
0018-9480

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An imbalance in the modulation voltages for the two branches of a Mach-Zehnder (MZ) modulator causes frequency chirp. In combination with optical cavities, fiber dispersion, or EDFA gainslope, this chirp introduces distortion in analog lightwave CATV systems. We have derived expressions for the freq