INVESTIGATION ON MAXIMUM AVAILABLE REACH FOR DIFFERENT MODULATION FORMATS IN WDM-PON SYSTEMS

被引：2

作者：

Kurbatska, I. ^{[1
]}

Bobrovs, V. ^{[1
]}

Spolitis, S. ^{[1
]}

Gavars, P. ^{[1
]}

Ivanovs, G. ^{[1
]}

Parts, R. ^{[1
]}

机构：

[1] Riga Tech Univ, Inst Telecommun, 12 Azenes Str, LV-1048 Riga, Latvia

来源：

LATVIAN JOURNAL OF PHYSICS AND TECHNICAL SCIENCES | 2016年 / 53卷 / 04期

关键词：

carrier suppressed RZ (CSRZ); chromatic dispersion (CD) compensation; dispersion compensating fiber (DCF); duobinary (DB); modulation formats; non-return-to-zero (NRZ); NRZ differential phase shift keying (NRZ DPSK); return-to-zero (RZ); wavelength division multiplexing (WDM);

D O I：

10.1515/lpts-2016-0030

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Considering the growing demand for broadband of access networks, in the present paper we investigate various modulation formats as a way of increasing the performance of optical transmission systems. Non-return-to-zero (NRZ) on-off keying, return-to-zero (RZ) OOK, carrier suppressed RZ (CSRZ) OOK, duobinary (DB), NRZ differential phase shift keying (NRZDPSK), RZ-DPSK and CSRZ-DPSK formats are compared using the maximal achievable reach with bit error rate less than 10(-9) as a criterion. Simulations are performed by using OptSim software tool. It is shown that using the transmission system without dispersion compensation the best results are shown by duobinary and CSRZ-OOK modulation formats, but with the system using dispersion compensating fiber (DCF) the longest transmission distance is achieved by RZDPSK modulation format. By investigating the influence of channel spacing for best-performed modulation formats, network reach decrease for transmission systems with DCF fiber has been observed due to channel crosstalk.

引用

页码：66 / 75

页数：10

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