The large- and small-signal properties of red GaInP-AlGaInP triple QW VCSELs (670 nm) were measured. For the fundamental mode the small signal bandwidth is 2 GHz. Large-signal modulation up to 1.5 Gb/s is achievable with a prebias. The turn-on delay of unbiased devices is found to saturate due to heating from the average of the data signal.
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Kuchta et al. (1996) studied this question.
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