Optical pulse division multiplexing-based OBI reduction for single wavelength uplink multiple access in IM/DD OFDMA-PON

Sun Young Jung, Chang Hun Kim, Sang Min Jung, Sang Kook Han

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Orthogonal frequency division multiple access-based passive optical network (OFDMA-PON) is considered as a strong candidate for next-generation optical access network. In intensity modulation/direct detection system, OFDMA-PON downlink transmission is relatively stable, but critical issues exist in uplink multiple access. Because of different optical paths, optical beat interference (OBI) and timing offset effect are generated, which seriously disturb signal detection. We propose optical pulse division multiplexing-based OBI reduction. By considering both the spectrum broadening effect and the time domain near orthogonality, OBI could be reduced. We demonstrate that the spectral efficiency can be improved from 0.37 to 3.8 bit/s/Hz in 1-GHz signal bandwidth.

Original languageEnglish
Pages (from-to)29198-29208
Number of pages11
JournalOptics Express
Volume24
Issue number25
DOIs
Publication statusPublished - 2016 Dec 12

Fingerprint

frequency division multiple access
multiple access
multiplexing
division
synchronism
interference
pulses
wavelengths
signal detection
orthogonality
optical paths
time measurement
bandwidth
modulation

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

Cite this

Jung, Sun Young ; Kim, Chang Hun ; Jung, Sang Min ; Han, Sang Kook. / Optical pulse division multiplexing-based OBI reduction for single wavelength uplink multiple access in IM/DD OFDMA-PON. In: Optics Express. 2016 ; Vol. 24, No. 25. pp. 29198-29208.
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Optical pulse division multiplexing-based OBI reduction for single wavelength uplink multiple access in IM/DD OFDMA-PON. / Jung, Sun Young; Kim, Chang Hun; Jung, Sang Min; Han, Sang Kook.

In: Optics Express, Vol. 24, No. 25, 12.12.2016, p. 29198-29208.

Research output: Contribution to journalArticle

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