VCSEL Transmission at 10 Gb/s for 20 km Single Mode Fiber WDM-PON without Dispersion Compensation or Injection Locking

Publication: Research - peer-reviewJournal article – Annual report year: 2011

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Vertical Cavity Surface Emitting Lasers (VCSELs) are extremely cost effective, energy efficient optical sources ideal for passive optical access networks. However, wavelength chirp and chromatic dispersion severely limit VCSEL performance at bit rates of 10 Gb/s and above. We experimentally show how off-center wavelength filtering of the VCSEL spectrum at an array waveguide grating can be used to mitigate the effect of chirp and the dispersion penalty. Transmission at 10Gb/s VCSEL over 23.6 km of single mode fiber is experimentally demonstrated, with a dispersion penalty of only 2.9 dB. Simulated results are also presented which show that off-center wavelength filtering can extend the 10 Gb/s network reach from 11.7 km to 25.8 km for a 4 dB dispersion penalty. This allows for cheap and simple dispersion mitigation in next generation VCSEL based optical access networks.
Original languageEnglish
JournalOptical Fiber Technology
Publication date2011
Volume17
Journal number1
Pages41-45
ISSN1068-5200
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 7
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