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Optical Engineering

Semiconductor optical amplifiers and Raman amplification for 1310-nm dense wavelength division multiplexed transmission
Author(s): Pawel Mazurek; Pawel Czyzak; Huug de Waardt; Jaroslaw Piotr Turkiewicz
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Paper Abstract

We investigate the utilization of semiconductor optical amplifiers (SOAs) and quantum-dot laser-based Raman amplifiers in high-capacity dense wavelength division multiplexed (DWDM) 1310-nm transmission systems. Performed simulations showed that in a 10×40  Gbit/s system, the utilization of a single Raman amplifier in a back-propagation scheme can extend the maximum error-free (bit error rate <10−9) transmission distance by approximately 25 km in comparison with the same system utilizing only an SOA used as a preamplifier. We successfully applied a Raman amplifier in an 8×2×40  Gbit/s 1310-nm polarization multiplexed (PolMux) DWDM transmission over 25 km. Conducted experiments showed that the utilization of a Raman amplifier in this system leads to 4-dB improvement of the average channel sensitivity in comparison to the same system utilizing SOAs. This sensitivity improvement can be translated into a higher power budget. Moreover, lower input optical power in a system utilizing a Raman amplifier reduces the four-wave mixing interactions. The obtained results prove that Raman amplification can be successfully applied in 1310-nm high-capacity transmission systems, e.g., to extend the reach of 400G and 1T Ethernet systems.

Paper Details

Date Published: 16 November 2015
PDF: 8 pages
Opt. Eng. 54(11) 116104 doi: 10.1117/1.OE.54.11.116104
Published in: Optical Engineering Volume 54, Issue 11
Show Author Affiliations
Pawel Mazurek, Warsaw Univ. of Technology (Poland)
Pawel Czyzak, Warsaw Univ. of Technology (Poland)
Huug de Waardt, Technische Univ. Eindhoven (The Netherlands)
Jaroslaw Piotr Turkiewicz, Warsaw Univ. of Technology (Poland)

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