OPTICAL FIBRE AMPLIFIER

An optical amplifier (1000) for amplifying an optical signal (1002), the optical amplifier (1000) comprising: an optical fibre (1004), the optical fibre including a doped core (1006), an inner cladding (1008) extending substantially radially outwardly from the doped core (1006) and an outer cladding...

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Bibliographic Details
Main Authors GONTHIER, FRANCOIS, VILLENEUVE, ALAIN
Format Patent
LanguageEnglish
French
Published 27.09.2016
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:An optical amplifier (1000) for amplifying an optical signal (1002), the optical amplifier (1000) comprising: an optical fibre (1004), the optical fibre including a doped core (1006), an inner cladding (1008) extending substantially radially outwardly from the doped core (1006) and an outer cladding (1010) extending substantially radially outwardly from the inner cladding (1008); a signal coupler (1012) for receiving the optical signal (1002) and guiding the optical signal (1002) into the doped core (1006); a first pump light source (1014) for producing a first pump light having a first power, the first pump light source (1014) being optically coupled to the optical fibre (1004) at a first location therealong for guiding the first pump light into the inner cladding (1008) at the first location; and a second pump light source (1016) for producing a second pump light having a second power, the second power being larger than the first power, the second pump light source (1016) being optically coupled to the optical fibre (1004) at a second location therealong for guiding the second pump light into the inner cladding (1008) at the second location; wherein the first location is located between the signal coupler and the second location.
Bibliography:Application Number: CA20082683951