volume 29, issue 5, P1253-1261 1993
DOI: 10.1109/3.236139
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Abstract: Abstract-The effects of a dispersive loss on the linewidth and chirp of a semiconductor laser are discussed. A van der Pol analysis is used to obtain expressions for linewidth reduction and chirp reduction in an arbitrary optical feedback configuration. Specifically the use of an atomic cesium vapor as a dispersive loss mechanism is considered. The dominant factor in reducing the linewidth and chirp is shown to be the frequencydependent phase change from the atomic vapor. However, we also show that under cert…

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