Optical and quantum electronics towards higher scalability of hybrid optical CDMA network

Ivan Glesk, Tolulope B. Osadola, Wing C. Kwong

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

A novel approach for improving the number of simultaneous users in a hybrid OCDMAOTDMA network is proposed and analysed. OCDMA system is based on two-dimensional wavelength-hopping time-spreading codes with multi-wavelengths picosecond carriers. The scalability increase was achieved by adding a third dimension to separate OCDMA user groups within OTDMA time slots by assigning them into different wavelength bands. We have shown this will scale-up the system capacity proportionally to the number of assigned wavelength bands. A self-clocking all-optical time gate was then demonstrated as an effective means for suppressing the growing detrimental multi access interference noise resulted from this capacity increase.
LanguageEnglish
Article number267
Number of pages11
JournalOptical and Quantum Electronics
Volume49
Issue number8
Early online date14 Jul 2017
DOIs
Publication statusPublished - 31 Aug 2017

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Quantum electronics
quantum electronics
code division multiple access
Code division multiple access
Scalability
Wavelength
electronics
wavelengths
slots
interference

Keywords

  • OCDMA
  • OTDMA
  • all-optical clock recovery
  • scalability

Cite this

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abstract = "A novel approach for improving the number of simultaneous users in a hybrid OCDMAOTDMA network is proposed and analysed. OCDMA system is based on two-dimensional wavelength-hopping time-spreading codes with multi-wavelengths picosecond carriers. The scalability increase was achieved by adding a third dimension to separate OCDMA user groups within OTDMA time slots by assigning them into different wavelength bands. We have shown this will scale-up the system capacity proportionally to the number of assigned wavelength bands. A self-clocking all-optical time gate was then demonstrated as an effective means for suppressing the growing detrimental multi access interference noise resulted from this capacity increase.",
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Optical and quantum electronics towards higher scalability of hybrid optical CDMA network. / Glesk, Ivan; Osadola, Tolulope B.; Kwong, Wing C. .

In: Optical and Quantum Electronics, Vol. 49, No. 8, 267, 31.08.2017.

Research output: Contribution to journalArticle

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AU - Osadola, Tolulope B.

AU - Kwong, Wing C.

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AB - A novel approach for improving the number of simultaneous users in a hybrid OCDMAOTDMA network is proposed and analysed. OCDMA system is based on two-dimensional wavelength-hopping time-spreading codes with multi-wavelengths picosecond carriers. The scalability increase was achieved by adding a third dimension to separate OCDMA user groups within OTDMA time slots by assigning them into different wavelength bands. We have shown this will scale-up the system capacity proportionally to the number of assigned wavelength bands. A self-clocking all-optical time gate was then demonstrated as an effective means for suppressing the growing detrimental multi access interference noise resulted from this capacity increase.

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KW - all-optical clock recovery

KW - scalability

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