On-chip optoelectronic feedback in a micropillar laser-detector assembly
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Implementing time-delayed feedback in optoelectronic circuits allows one to uncover the rich physics and application potential of nonlinear dynamics. Important feedback effects are, for instance, the generation of broadband chaos, or laser self-pulsing. We explore the effect of optoelectronic feedback in an ultracompact microlaser–microdetector assembly operating in the regime of cavity quantum electrodynamics (cQED). This system is used to generate self-pulsing at MHz frequencies in the emission of a microlaser, which is qualitatively explained by a rate equation model taking cQED effects into account. The results show promise for exploring chaos in ultracompact nanophotonic systems and for technological approaches toward chaos-based secure communication, random number generation, and self-pulsed single photon sources on a highly integrated semiconductor platform.
Munnelly , P , Lingnau , B , Karow , M M , Heindel , T , Kamp , M , Höfling , S , Lüdge , K , Schneider , C & Reitzenstein , S 2017 , ' On-chip optoelectronic feedback in a micropillar laser-detector assembly ' Optica , vol 4 , no. 3 , pp. 303-306 . DOI: 10.1364/OPTICA.4.000303
© 2017, Optical Society of America. This work has been made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at www.osapublishing.org/optica / https://doi.org/10.1364/OPTICA.4.000303
The research leading to these results has received funding from the European Research Council under the European Union's Seventh Framework ERC Grant Agreement No. 615613, from the German Research Foundation via the projects RE2974/9-1, SCHN1376/1-1, and the collaborative research center CRC787.
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