Name: Matheus Oggioni Lima Benincá
Type: MSc dissertation
Publication date: 10/12/2012
Advisor:

Namesort descending Role
Marcelo Eduardo Vieira Segatto Co-advisor *
Maria Jose Pontes Advisor *

Examining board:

Namesort descending Role
Marcelo Eduardo Vieira Segatto Co advisor *
Maria Aparecida Gonçalves Martinez External Examiner *
Maria Jose Pontes Advisor *
Moisés Renato Nunes Ribeiro Internal Examiner *

Summary: This work presents a study on hybrid optical amplifiers EDFA and Raman. Individual
concepts are defined such as operation mode, gain and noise. While operanting as a group the
HA has been classified by their gain composition and the operation modes of each amplifier.
The simulation code basis for this amplifiers are also presented with an user guide interface
for Raman amplifiers. This GUI allows the optimization of the wavelenght and power of the
Raman laser pumps. It can plot the gain grafics and ripple and allows differente types of fiber
and combination of signals to be simulated. It is presented a case of study of a WDM link
that has an EDFA and uses the spectral flexibility of the Raman gain for a HA with seamless
wideband. Using 40 WDM channels spread on 65 nm of bandwidth on C and L band having 2
db of ripple and operating on 90 km, 120 km, 150 km and 180 km of single mode fiber. This
works complents the study on hybrid amplifiers and presents one of it‘s aplications with results
of gain, OSNR, NF and ripple.

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