19 September 2014 A novel evolution to remodulated WDM-PON based on DPSK/ASK orthogonal modulation
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A novel evolution scheme from legacy TDM-PON to the next generation WDM-PON with DPSK/ASK orthogonal modulation is proposed. The new WDM-PON is added into the existing PON infrastructure and coexisting with the current TDM-PON. To eliminate any change requirement for the existing TDM-PON, DPSK is applied for WDM-PON downstream. Meanwhile, upstream remodualtion is applied to achieve colorless ONU in WDM-PON. The application of DPSK/ASK reduces both crosstalk from coexisting and remodulation. The experiment results show the crosstalk is very little. Good performance is achieved for both unchanged coexisting TDM-PON and WDM-PON upstream signals in our proposed scheme.
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Qirui Zhou, Qirui Zhou, Jun Ma, Jun Ma, Yang Lu, Yang Lu, Lingchen Huang, Lingchen Huang, Biao Chen, Biao Chen, } "A novel evolution to remodulated WDM-PON based on DPSK/ASK orthogonal modulation", Proc. SPIE 9216, Optics and Photonics for Information Processing VIII, 92160U (19 September 2014); doi: 10.1117/12.2059251; https://doi.org/10.1117/12.2059251

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