DAPSK-OFDM-based coherent PON and IFoF heterogeneous access network with PDM

Kyoung Hak Mun, Soo Min Kang, Sang Kook Han

Research output: Contribution to journalArticle

Abstract

Heterogeneous access networks with wired/wireless convergence comprise an important trend in the development of access networks because they reduce network investment and operating costs. In this paper, we propose a heterogeneous access network with a coherent passive optical network (PON) and intermediate frequency over fiber (IFoF) within a single wavelength. The coherent PON and IFoF are both DAPSK-OFDM-based and do not involve noise-compensation digital signal processing (DSP), which lowers bandwidth efficiency. DAPSK-OFDM is a differential modulation scheme that eliminates channel and phase noise during the demodulation process. The coherent PON and IFoF with different transmission schemes are combined using polarization division multiplexing (PDM) and a complete heterogeneous network without crosstalk through polarization optimization and maintenance at a transmission distance less than 20 km. The proposed heterogeneous network is experimentally tested, which shows that its performance is similar to that yielded when operating each system independently.

Original languageEnglish
Article number124678
JournalOptics Communications
Volume456
DOIs
Publication statusPublished - 2020 Feb 1

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Passive optical networks
intermediate frequencies
multiplexing
Multiplexing
Orthogonal frequency division multiplexing
division
Heterogeneous networks
Polarization
fibers
Fibers
polarization
Phase noise
Crosstalk
Demodulation
Digital signal processing
Operating costs
Modulation
Bandwidth
Wavelength
channel noise

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Physical and Theoretical Chemistry
  • Electrical and Electronic Engineering

Cite this

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abstract = "Heterogeneous access networks with wired/wireless convergence comprise an important trend in the development of access networks because they reduce network investment and operating costs. In this paper, we propose a heterogeneous access network with a coherent passive optical network (PON) and intermediate frequency over fiber (IFoF) within a single wavelength. The coherent PON and IFoF are both DAPSK-OFDM-based and do not involve noise-compensation digital signal processing (DSP), which lowers bandwidth efficiency. DAPSK-OFDM is a differential modulation scheme that eliminates channel and phase noise during the demodulation process. The coherent PON and IFoF with different transmission schemes are combined using polarization division multiplexing (PDM) and a complete heterogeneous network without crosstalk through polarization optimization and maintenance at a transmission distance less than 20 km. The proposed heterogeneous network is experimentally tested, which shows that its performance is similar to that yielded when operating each system independently.",
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DAPSK-OFDM-based coherent PON and IFoF heterogeneous access network with PDM. / Mun, Kyoung Hak; Kang, Soo Min; Han, Sang Kook.

In: Optics Communications, Vol. 456, 124678, 01.02.2020.

Research output: Contribution to journalArticle

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