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Orthogonal modulation application to achieve flexible migration and colorless ONUs for next generation PON
KTH. Hangzhou Dianzi University, China.
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2017 (English)In: Optics Communications, ISSN 0030-4018, E-ISSN 1873-0310, Vol. 403, 252-256 p.Article in journal (Refereed) Published
Abstract [en]

Flexible migration that reuse the deployed infrastructure and colorless ONUs which avoid inventory problem are two major challenges of next-generation passive optical network (NGPON). In this paper, flexible migration is achieved by the coexistence of legacy PON and NGPON and colorless ONUs is achieved by upstream remodulation. Orthogonal modulation methods such as DPSK, PolSK and WSK are applied for NGPON downstream signal to ensure the constant amplitude. The amplitude-constant NGPON downstream signal induces low crosstalk to the coexisting legacy PON signal and the remodulated upstream signal. The experimental demonstration shows error free transmission and verifies the feasibility of the proposed scheme.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 403, 252-256 p.
Keyword [en]
Colorless ONU, Migration, Orthogonal modulation, PON
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-212200DOI: 10.1016/j.optcom.2017.07.060ISI: 000410638900041Scopus ID: 2-s2.0-85026652987OAI: oai:DiVA.org:kth-212200DiVA: diva2:1134553
Note

QC 20170821

Available from: 2017-08-21 Created: 2017-08-21 Last updated: 2017-10-10Bibliographically approved

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