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Vertical-cavity surface-emitting lasers (VCSELs) at 1.55 mum provide high modulation bandwidth and low attenuation at a low cost. Like other directly modulated lasers, laser chirp limits the link length in standard single-mode fibers at high data rates and fiber dispersion causes bit-error-rate (BER) penalty. This can be overcome by dispersion-compensating fibers (DCFs). This letter investigates the modulation performance of monolithically grown 1.55-mum VCSELs utilizing a DCF to boost the possible link length. Data-transmission experiments are performed at 10 Gb/s and dispersion-dependent BER performance is presented for the first time for this type of laser.
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Hofmann et al. (2009) studied this question.
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