Raman gain efficiency distribution measurement in single-mode optical fibers by using backscattering technique

This letter proposes a new method for measuring a longitudinal distribution of the Raman gain efficiency in concatenations of single-mode optical fibers by using a backscattering technique and a pulsed pump light. The advantages of this method is that it can provide us with an easy operation for mea...

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Bibliographic Details
Published in:IEEE photonics technology letters 2005-08, Vol.17 (8), p.1704-1706
Main Authors: Toge, K., Hogari, K., Horiguchi, T.
Format: Article
Language:English
Subjects:
Backscatter
Backscattering
Gain
Gain measurement
High resolution
Instruments
Measuring instruments
Networks
Optical fiber amplifiers
optical fiber communication
optical fiber measurements
Optical fiber networks
Optical fibers
Optical pulses
Performance evaluation
Photonics
Pulse measurements
Pumps
Space vector pulse width modulation
Stimulated emission
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Summary:This letter proposes a new method for measuring a longitudinal distribution of the Raman gain efficiency in concatenations of single-mode optical fibers by using a backscattering technique and a pulsed pump light. The advantages of this method is that it can provide us with an easy operation for measuring optical fiber networks because all the measurement instruments are installed together at one end of the concatenation of optical fibers, and that it also provides a high resolution of the measurement according to the pump pulsewidth. We perform an experiment employing this method and confirm that it can be used to measure Raman gain efficiency distribution easily.
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2005.851014