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Observation of quasi-phase matched four-wave mixing assisted by periodic power variation in a long-distance optical amplifier chain

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4 Author(s)
Kikuchi, K. ; Dept. of Electron. Eng., Tokyo Univ., Japan ; Lorattanasane, C. ; Futami, F. ; Kaneko, S.

We observe the quasi-phase matched four-wave mixing in a long-distance optical amplifier chain. The spectrum of amplified spontaneous emission measured by using a recirculating fiber loop shows the enhancement of noise at well-defined frequencies where the quasi-phase matching condition is satisfied owing to the periodic power variation along the fiber link.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:7 ,  Issue: 11 )