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Proceedings Paper

Design of an 1800nm Raman amplifier
Author(s): Ask Sebastian Svane; Karsten Rottwitt
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Paper Abstract

We present the experimental results for a Raman amplifier that operates at 1810 nm and is pumped by a Raman fiber laser at 1680 nm. Both the pump laser and the Raman amplifier is polarization maintaining. A challenge when scaling Raman amplifiers to longer wavelengths is the increase in transmission loss, but also the reduction in the Raman gain coefficient as the amplifier wavelength is increased. Both polarization components of the Raman gain is characterized, initially for linearly co-polarized signal and pump, subsequently linearly polarized orthogonal signal and pump. The noise performance of the amplifier is also investigated for both configurations. Our results show an on/off gain exceeding 20 dB at 1810 nm for which the obtained effective noise figure is below 3 dB.

Paper Details

Date Published: 11 October 2013
PDF: 7 pages
Proc. SPIE 8915, Photonics North 2013, 89150D (11 October 2013); doi: 10.1117/12.2035273
Show Author Affiliations
Ask Sebastian Svane, Techincal Univ. of Denmark (Denmark)
Karsten Rottwitt, Techincal Univ. of Denmark (Denmark)


Published in SPIE Proceedings Vol. 8915:
Photonics North 2013
Pavel Cheben; Jens Schmid; Caroline Boudoux; Lawrence R. Chen; André Delâge; Siegfried Janz; Raman Kashyap; David J. Lockwood; Hans-Peter Loock; Zetian Mi, Editor(s)

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