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High-bit-rate data transmission with short-wavelength oxidized VCSELs, toward bias-free operation

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5 Author(s)
R. Michalzik ; Dept. of Optoelectron., Ulm Univ., Germany ; P. Schnitzer ; U. Fiedler ; D. Wiedenmann
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Efficient oxide-confined vertical-cavity surface-emitting laser diodes are investigated as light sources for optical interconnection. Data rates of 2.5 Gb/s with bit-error rates (BERs) smaller than 10-11 are routinely achieved with 980-nm as well as 850-nm short-wavelength devices for transmission over several hundred meters of graded index multimode fiber. A bias-free modulation scheme is applied to vertical-cavity lasers for the first time and 1-Gb/s data links are established in both wavelength regimes. Successful demonstration of data transmission with rates up to 10 Gb/s with proton-implanted devices is briefly reviewed

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IEEE Journal of Selected Topics in Quantum Electronics  (Volume:3 ,  Issue: 2 )