On the multidimensional signal constellation design for few-mode-fiber-based high-speed optical transmission

Ivan B Djordjevic, Tao Liu, Lei Xu, Ting Wang

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

In this paper, we propose an algorithm to determine the D-dimensional optimum signal constellation design (DD-OSCD), in minimum mean-square error sense, for channel capacity achieving source distribution. We then describe a D = 4-dimensional coded modulation scheme, employing N orbital angular momentum modes, two polarization states, and two in-phase/quadrature coordinates, suitable for use in future few-mode fiber (FMF) applications. Monte Carlo simulations indicate that the proposed low-density parity-check (LDPC)-coded polarization-division-multiplexed (PDM) quadrature-multiplexed (QM) DD-OSCD significantly outperforms conventional PDM-QAM (by 4.32 dB for 64-ary 3-D constellation at a BER of 10 -7). In addition, the DD-OSCD outperforms sphere packing constellations (by 0.33 dB for 8-ary 3-D constellation at a BER of 10 -7).

Original languageEnglish (US)
Article number6243161
Pages (from-to)1325-1332
Number of pages8
JournalIEEE Photonics Journal
Volume4
Issue number5
DOIs
StatePublished - 2012

Fingerprint

constellations
Light transmission
high speed
Polarization
fibers
Fibers
Angular momentum
Channel capacity
Quadrature amplitude modulation
quadratures
Mean square error
division
polarization
Modulation
channel capacity
quadrature amplitude modulation
parity
angular momentum
modulation
orbitals

Keywords

  • few-mode/few-core fiber optics ommunications
  • low-density parity-check (LDPC) codes
  • Microwave photonics signal processing
  • multidimensional coded modulation
  • orbital angular momentum (OAM) modulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics

Cite this

On the multidimensional signal constellation design for few-mode-fiber-based high-speed optical transmission. / Djordjevic, Ivan B; Liu, Tao; Xu, Lei; Wang, Ting.

In: IEEE Photonics Journal, Vol. 4, No. 5, 6243161, 2012, p. 1325-1332.

Research output: Contribution to journalArticle

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