The relative intensity noise (RIN) of both a two-section and a three-section tunable multiple-quantum-well distributed-Bragg-reflector (MQW-DBR) laser operating at 1.53 mu m is discussed. It is found that the RIN can be modeled using a single-mode rate equation, which neglects the frequency dependence of the Bragg reflector, and that the RIN is independent of tuning current for fixed output power.>
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Woodward et al. (1990) studied this question.
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