Orthogonal modulation application to achieve flexible migration and colorless ONUs for next generation PON

被引：7
|
作者：
Lu, Yang [1 ,2 ]
Bi, Meihua [1 ]
Hu, Miao [1 ]
Wei, Yizhen [1 ]
Yang, Guowei [1 ]
Zhou, Xuefang [1 ]
Li, Qiliang [1 ]
机构：
[1] Hangzhou Dianzi Univ, Coll Commun Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] KTH Royal Inst Technol, Electrum 229, S-16440 Kista, Sweden
来源：
OPTICS COMMUNICATIONS | 2017年 / 403卷
关键词：
PON; Migration; Colorless ONU; Orthogonal modulation; NETWORK TWDM-PON; DOWNSTREAM; UPSTREAM; TIME; DPSK;
D O I：
10.1016/j.optcom.2017.07.060
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：252 / 256
页数：5
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