On the performance of the effects of temperature variation in ultrafast incoherent fiber-optic CDMA systems with SOA-based tunable dispersion compensator

Che-Wei Chang, Guu-Chang Yang, Ivan Glesk, Wing C. Kwong

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Abstract

Recent studies show that temperature variation in ultrafast incoherent fiber-optic code-division multiple-access (FO-CDMA) systems using picosecond multiwavelength codes is a realistic problem even though dispersion-compensating fiber is utilized. The phenomenon creates distortions in auto- and cross-correlation functions and then worsens system performance. A physical-layer mitigation approach has been reported by using a recently demonstrated semiconductor-optical-amplifier-based tunable dispersion compensator to fully recover the auto-correlation peaks. Applying the concept of 'chip granularity' to account for the effects of temperature variation to the cross-correlation functions, this paper formulates a new performance-analytical model for such FO-CDMA systems. The model also supports adjustable quality-of-services through code weight control.

Original languageEnglish
Article number7203110
Number of pages10
JournalIEEE Photonics Journal
Volume11
Issue number3
Early online date20 May 2019
DOIs
Publication statusE-pub ahead of print - 20 May 2019

Keywords

  • code division multiple access
  • dispersion compensation
  • optical fiber communications
  • temperature variations

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