Performance limitations of subcarrier multiplexed WDM signal transmissions using QAM modulation

Kyoungsoo Kim, Jae Hoon Lee, Jichai Jeong

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We theoretically investigate the performance limitations of subcarrier multiplexed (SCM) wavelength-division-multiplexing (WDM) systems using optical double-sideband (DSB) modulated, 16-quadrature amplitude-modulated (QAM) signals. The performance limitations are investigated using crosstalk power and SCM channel spacing for various transmission conditions, including impairment factors such as dispersion and fiber nonlinearities for a single wavelength channel first. The effects of WDM channel spacing on SCM systems with multiwavelength channels are also evaluated via the calculated bit error rate (BER) performance, based on the performance limitations found in the single-wavelength simulation. This enables us to provide guidelines for the design of SCM/WDM systems for fiber-to-the-home (FTTH) network in WDM-passive optical network (PON) architecture, based on the performance limitations.

Original languageEnglish
Pages (from-to)4105-4111
Number of pages7
JournalJournal of Lightwave Technology
Volume27
Issue number18
DOIs
Publication statusPublished - 2009 Sep 15

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signal transmission
wavelength division multiplexing
quadratures
modulation
spacing
fibers
impairment
bit error rate
crosstalk
sidebands
wavelengths
nonlinearity
simulation

Keywords

  • Optical DSB
  • QAM
  • Subcarrier multiplexing
  • WDM

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Performance limitations of subcarrier multiplexed WDM signal transmissions using QAM modulation. / Kim, Kyoungsoo; Lee, Jae Hoon; Jeong, Jichai.

In: Journal of Lightwave Technology, Vol. 27, No. 18, 15.09.2009, p. 4105-4111.

Research output: Contribution to journalArticle

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