Luca Lab

Sapienza University of Rome

Centro (IT) (ITI) · Italy

ERC-funded
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ERC Starting Grant · 2021

Dots-in-NANOWires by near-field illumination: novel single-photon sources for HYbRid quantum photonic circuits

Quantum photonic integrated circuits are ideal platforms for quantum computation and communication. A long-standing issue in their realization is the lack of a deterministic quantum light source compatible with silicon. Indeed, planar self-assembled III-V quantum dots (QDs) –which provide high-performance quantum light sources (i. e. single photons)– can hardly be grown on Si, and also lack the positioning control necessary for efficient post-growth III-V-on-Si hybrid integration. Nanowires (NWs), in contrast, are rod-shaped nanoscale semiconductors that can host intrinsically site-controlled III-V QDs and can even be grown on Si. However, QDs in NWs have yet to reach the performances of…

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