LDPC-coded orbital angular momentum (OAM) modulation for free-space optical communication

Ivan B Djordjevic, Murat Arabaci

Research output: Contribution to journalArticle

75 Citations (Scopus)

Abstract

An orbital angular momentum (OAM) based LDPC-coded modulation scheme suitable for use in FSO communication is proposed. We demonstrate that the proposed scheme can operate under strong atmospheric turbulence regime and enable 100 Gb/s optical transmission while employing 10 Gb/s components. Both binary and nonbinary LDPC-coded OAM modulations are studied. In addition to providing better BER performance, the nonbinary LDPC-coded modulation reduces overall decoder complexity and latency. The nonbinary LDPC-coded OAM modulation provides a net coding gain of 9.3 dB at the BER of 10-8. The maximum-ratio combining scheme outperforms the corresponding equal-gain combining scheme by almost 2.5 dB.

Original languageEnglish (US)
Pages (from-to)24722-24728
Number of pages7
JournalOptics Express
Volume18
Issue number24
DOIs
StatePublished - Nov 22 2010

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free-space optical communication
angular momentum
modulation
orbitals
decoders
atmospheric turbulence
coding
communication

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

LDPC-coded orbital angular momentum (OAM) modulation for free-space optical communication. / Djordjevic, Ivan B; Arabaci, Murat.

In: Optics Express, Vol. 18, No. 24, 22.11.2010, p. 24722-24728.

Research output: Contribution to journalArticle

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