Abstract
Based on a model for the calculation of the variance of relaxation noise we show that it is possible in principle to modulate aminiature solid state laser at data rates (random) of 50 Mbit s−1 and higher by modulating the cavity loss, while keeping the relaxation oscillation noise small enough to permit a 10−9 error rate. Because of the small transit time through the miniature cavity a large modulation index (M ∼ 45) can be achieved, and although the laser power output suffers this can be compensated for in data transmission by the narrow output pulse shape that characterizes our intra-cavity modulation scheme.
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