Rayleigh noise mitigation using single-sideband modulation generated by a dual-parallel MZM for carrier distributed PON

C. H. Wang; Chi-Wai Chow; C. H. Yeh; C. L. Wu; S. Chi; Chinlon Lin

doi:10.1109/LPT.2010.2046317

Rayleigh noise mitigation using single-sideband modulation generated by a dual-parallel MZM for carrier distributed PON

C. H. Wang, Chi-Wai Chow, C. H. Yeh, C. L. Wu, S. Chi, Chinlon Lin

Department of Photonics

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Abstract

Hybrid passive optical networks (PONs) with a centralized light source (CLS) could be a promising solution for the next-generation PON. However, the network with a loop-back architecture will give rise to interferometric noise caused by Rayleigh backscattering (RB). Here, we propose and demonstrate a colorless optical networking unit (ONU) using a dual-parallel MachZehnder modulator (DP-MZM) to mitigate RB noise in a hybrid wavelength-division- multiplexingtime-division-multiplexing PON with CLS. Both dominant contributions of RB, carrier RB and signal RB, are experimentally characterized, for the first time, when using a DP-MZM as a reflective ONU. In addition, the split-ratio of a long-reach PON using the DP-MZM-based ONU is also investigated and analyzed, showing RB noise can be efficiently reduced.

Original language	English
Article number	5443567
Pages (from-to)	820-822
Number of pages	3
Journal	IEEE Photonics Technology Letters
Volume	22
Issue number	11
DOIs	https://doi.org/10.1109/LPT.2010.2046317
State	Published - 19 May 2010

Keywords

Hybrid passive optical networks (PONs)
Rayleigh backscattering (RB)
Single sideband (SSB)

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title = "Rayleigh noise mitigation using single-sideband modulation generated by a dual-parallel MZM for carrier distributed PON",

abstract = "Hybrid passive optical networks (PONs) with a centralized light source (CLS) could be a promising solution for the next-generation PON. However, the network with a loop-back architecture will give rise to interferometric noise caused by Rayleigh backscattering (RB). Here, we propose and demonstrate a colorless optical networking unit (ONU) using a dual-parallel MachZehnder modulator (DP-MZM) to mitigate RB noise in a hybrid wavelength-division- multiplexingtime-division-multiplexing PON with CLS. Both dominant contributions of RB, carrier RB and signal RB, are experimentally characterized, for the first time, when using a DP-MZM as a reflective ONU. In addition, the split-ratio of a long-reach PON using the DP-MZM-based ONU is also investigated and analyzed, showing RB noise can be efficiently reduced.",

keywords = "Hybrid passive optical networks (PONs), Rayleigh backscattering (RB), Single sideband (SSB)",

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AU - Wang, C. H.

AU - Chow, Chi-Wai

AU - Yeh, C. H.

AU - Wu, C. L.

AU - Chi, S.

AU - Lin, Chinlon

PY - 2010/5/19

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N2 - Hybrid passive optical networks (PONs) with a centralized light source (CLS) could be a promising solution for the next-generation PON. However, the network with a loop-back architecture will give rise to interferometric noise caused by Rayleigh backscattering (RB). Here, we propose and demonstrate a colorless optical networking unit (ONU) using a dual-parallel MachZehnder modulator (DP-MZM) to mitigate RB noise in a hybrid wavelength-division- multiplexingtime-division-multiplexing PON with CLS. Both dominant contributions of RB, carrier RB and signal RB, are experimentally characterized, for the first time, when using a DP-MZM as a reflective ONU. In addition, the split-ratio of a long-reach PON using the DP-MZM-based ONU is also investigated and analyzed, showing RB noise can be efficiently reduced.

AB - Hybrid passive optical networks (PONs) with a centralized light source (CLS) could be a promising solution for the next-generation PON. However, the network with a loop-back architecture will give rise to interferometric noise caused by Rayleigh backscattering (RB). Here, we propose and demonstrate a colorless optical networking unit (ONU) using a dual-parallel MachZehnder modulator (DP-MZM) to mitigate RB noise in a hybrid wavelength-division- multiplexingtime-division-multiplexing PON with CLS. Both dominant contributions of RB, carrier RB and signal RB, are experimentally characterized, for the first time, when using a DP-MZM as a reflective ONU. In addition, the split-ratio of a long-reach PON using the DP-MZM-based ONU is also investigated and analyzed, showing RB noise can be efficiently reduced.

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