IEICE Communications Express
Online ISSN : 2187-0136
ISSN-L : 2187-0136
Bidirectional lump Raman amplification for both 10G-EPON and TWDM-PON
Norio Kashima
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2014 Volume 3 Issue 2 Pages 39-43

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Abstract

This letter proposes a new upgrading method to realize next-generation access networks by a lumped Raman amplifier (LRA) located at a central office (CO). An LRA can simultaneously amplifies bidirectional ten signal waves, two from 10G-EPON and eight from TWDM-PON. We estimate gains and OSNRs (optical signal noise ratios) by calculations. Finally, we made fundamental bit error rate (BER) experiments for bidirectional two 10G-EPON signals to confirm the feasibility of the proposed method. Calculated and measured results are in good agreement and we think the method can serve the next-generation PON systems.

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© 2014 The Institute of Electronics, Information and Communication Engineers
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