Frequency-dependent linewidth enhancement factor of optical injection-locked quantum dot/dash lasers

Abstract

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Effect of linewidth enhancement factor (LEF) on routes to chaos in optically injected semiconductor lasers

“…Interestingly, a zero LEF has been observed in quantum dot lasers [10] which opens the door for the enhancement of device characteristics. It is also shown in quantum dot lasers, that optical injection strongly changes the behavior of the LEF [11]. The manipulation of the LEF has also been reported in an injection-locked quantum -dash Fabry-Pérot laser [12].…”