Abstract
In this chapter the multi-wavelength emission capabilities of quantum dot (QD) lasers, due to splitting effects in the ground-state (GS), are analyzed. These emission sub-bands are not related to carrier transitions from different excitation levels like GS/excited-state (ES) emission, but are strongly depended on gain saturation effects. The existence of these sub-bands alongside their wavelength tuning capabilities, have enabled the identification of novel regimes of operation like pulse width narrowing in the presence of dual GS emission, and tunable dual state mode locking. The exploitation of these regimes can allow the deployment of QD mode locked lasers into newly emerging applications both in the telecomm and medical field.
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Mesaritakis, C., Syvridis, D. (2012). Spectral Splitting Effects and Their Influence to the Performance of Quantum Dot Mode Locked Lasers. In: Wang, Z. (eds) Quantum Dot Devices. Lecture Notes in Nanoscale Science and Technology, vol 13. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-3570-9_3
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DOI: https://doi.org/10.1007/978-1-4614-3570-9_3
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