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Sökning: WFRF:(Larsson Anders 1957 ) > (2011) > Andrekson Peter 1960

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1.
  • Szczerba, Krzysztof, 1985-, et al. (författare)
  • 30 Gbps 4-PAM transmission over 200m of MMF using an 850 nm VCSEL
  • 2011
  • Ingår i: Optics Express. - 1094-4087. ; 19:26, s. 203-208
  • Tidskriftsartikel (refereegranskat)abstract
    • We present high speed real time, error free 4-PAMtransmission for short range optical links based on a VCSEL operating at 850 nm, a multimode fibre and a simple intensity detector. Transmission speeds of 25 Gbps and 30 Gbps are demonstrated, and the maximum fibre reaches were 300 m and 200 m, respectively. The 4-PAM is also compared with OOK transmission at 25 Gbps, and we find that at this bit rate 4-PAM increases the error free transmission distance in the multimode fibre by 100 m, compared to OOK.
2.
  • Szczerba, Krzysztof, 1985-, et al. (författare)
  • 30 Gbps 4-PAM transmission over 200m of MMF using an 850 nm VCSEL
  • 2011
  • Ingår i: 2011 37th European Conference on Optical Communication (ECOC); 18-22 Sept. 2011; Geneva. - 978-1-4577-1918-9 ; s. 1-3
  • Konferensbidrag (refereegranskat)abstract
    • Real time, error free 4-PAM transmission at 25 Gbps and 30 Gbps over 300 m and 200m of multimode fiber, respectively, using a VCSEL operating at the wavelength of 850 nm.
3.
4.
  • Szczerba, Krzysztof, 1985-, et al. (författare)
  • Experimental comparison of modulation formats in IM/DD links
  • 2011
  • Ingår i: Optics Express. - 1094-4087. ; 19:10, s. 9881-9889
  • Tidskriftsartikel (refereegranskat)abstract
    • We present an experimental comparison of modulation formats for optical intensity modulated links with direct detection. Specifically, we compare OOK, QPSK on an electrical subcarrier and a new modulation format named OOPSK. The OOPSK modulation format is shown to have better sensitivity than the other modulation formats, in agreement with theoretical predictions. The impact of propagation in multimode fiber is also studied and the results show that all modulation formats have similar sensitivity penalties, with respect to the fibre length.
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