Noise properties of a Raman amplifier

We present the first measurements of the noise properties of a Raman optical amplifier. Measurements on CW Raman amplified optical signals from a 1.5-μm single frequency laser in 32 km of silica fiber, pumped by a 1.45-μm color center laser, reveals that the main noise source is the shot noise gener...

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Bibliographic Details
Published inJournal of lightwave technology Vol. 4; no. 4; pp. 396 - 399
Main Authors Olsson, N., Hegarty, J.
Format Journal Article
LanguageEnglish
Published New York, NY IEEE 01.04.1986
Institute of Electrical and Electronics Engineers
Subjects
Colored noise
Exact sciences and technology
Fiber lasers
Fundamental areas of phenomenology (including applications)
Laser noise
Noise measurement
Nonlinear optics
Optical amplifiers
Optical noise
Optical pumping
Optical receivers
Optics
Physics
Solid lasers
Stimulated emission
Measurement
Stimulated Raman scattering
Shot noise
Background noise
Optical fiber
Amplifier laser
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Summary:We present the first measurements of the noise properties of a Raman optical amplifier. Measurements on CW Raman amplified optical signals from a 1.5-μm single frequency laser in 32 km of silica fiber, pumped by a 1.45-μm color center laser, reveals that the main noise source is the shot noise generated in the receiver due to the spontaneous Raman radiation. For signal levels down to -50 dBm, no excess noise due to the Raman process could be detected.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.1986.1074738