19 February 2018 Spontaneous generation of frequency combs in QD lasers
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Abstract
We report a systematic analysis of the phenomenon of self-generation of optical frequency combs in single section Fabry-Perot Quantum Dot lasers using a Time Domain Travelling Wave model. We show that the carriers grating due to the standing wave pattern (spatial hole burning) peculiar of Quantum Dots laser and the Four Wave Mixing are the key ingredients to explain spontaneous Optical Frequency Combs in these devices. Our results well agree with recent experimental evidences reported in semiconductor lasers based on Quantum Dots and Quantum Dashes active material and pave the way to the development of a simulation tool for the design of these comb laser sources for innovative applications in the field of high-data rate optical communications.
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Lorenzo Luigi Columbo, Paolo Bardella, Mariangela Gioannini, "Spontaneous generation of frequency combs in QD lasers", Proc. SPIE 10553, Novel In-Plane Semiconductor Lasers XVII, 105530L (19 February 2018); doi: 10.1117/12.2289886; https://doi.org/10.1117/12.2289886
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