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Proceedings Paper

Flat amplification over C-band by quasi phase-matched fiber optical parametric amplifier using pump-phase shifers
Author(s): Shigehiro Takasaka
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Paper Abstract

We review recent progresses of quasi phase-matched (QPM) single-pumped fiber optical parametric amplifiers (FOPA) as a candidate for low noise amplifiers. We show how the QPM operation is realized in the gain fiber where highly nonlinear fibers and pump-phase shifters are alternately concatenated. Then, we show that the QPM operation makes gain of the FOPA flat. Finally, we demonstrate that the QPM-FOPA has noise figure less than 4.5 dB, which is lower than that of conventional EDFAs, and gain more than 20 dB with 1-dB gain bandwidth of 38 nm which covers C-band.

Paper Details

Date Published: 1 February 2014
PDF: 7 pages
Proc. SPIE 9008, Optical Metro Networks and Short-Haul Systems VI, 90080L (1 February 2014); doi: 10.1117/12.2038783
Show Author Affiliations
Shigehiro Takasaka, Furukawa Electric Co., Ltd. (Japan)

Published in SPIE Proceedings Vol. 9008:
Optical Metro Networks and Short-Haul Systems VI
Werner Weiershausen; Benjamin B. Dingel; Achyut K. Dutta; Atul K. Srivastava, Editor(s)

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