Design of an optical transmission WDM link using plastic optical fibers

P. Louro, P. Soares, H. Ferraz, P. Pinho, M. Vieira

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review


In this paper we present the design of an optical transmission system, using plastic optical fiber (POF), which operates in the visible range of the electromagnetic spectrum. The optical signals are generated by modulated visible LEDs, transmitted through POF and at the reception end a pin-pin photodetector is implemented. A computer simulation tool dedicated to the analysis of optical circuits was used for preliminary analysis of the optical system. The performance of the optical link was analyzed by BER prediction variation on the transmission rate. The tested optical system was assembled using high efficiency LEDs of the same wavelengths, a commercial POF and a pin-pin photodetector based on a-SiC:H/a-SI:H. This detector behaves as an optical filter with controlled wavelength sensitivity. Different optical signals, obtained by adequate modulation of LED optical sources, were coupled into the POF and the combined optical signal at the fiber termination was directed onto the photodetector active area. The output photocurrent was measured with and without optical bias. Results compare the use of a pin-pin transducer device in free space and in a POF transmission link.

Original languageEnglish
Title of host publicationFilm Silicon Science and Technology
Number of pages6
Publication statusPublished - 12 Dec 2013
Event2013 MRS Spring Meeting - San Francisco, CA, United States
Duration: 1 Apr 20135 Apr 2013


Conference2013 MRS Spring Meeting
Country/TerritoryUnited States
CitySan Francisco, CA


  • Transmission rates
  • Wavelength sensitivity
  • Electromagnetic spectra
  • Optical circuits
  • Optical transmission systems
  • Plastic optical fiber (POF)
  • Preliminary analysis
  • Transmission link
  • Silicon carbide
  • Optical systems
  • Computer simulation
  • Fiber optic sensors
  • Light transmission
  • Optical signal processing
  • Photodetectors
  • Photons
  • Plastic optical fibers


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