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SUMMARY:Developing Quantum Colour Centres in Silicon Carbide (Agio)
DTSTART:20260702T140000Z
DTEND:20260702T150000Z
DTSTAMP:20260713T012700Z
UID:indico-event-896@indico.physik.uni-siegen.de
DESCRIPTION:Speakers: Florian Kaiser\n\nSilicon carbide (SiC) has emerged 
 as a scalable\, industry-compatible\, cost-effective platform for quantum 
 technology\, leveraging the maturity of the European semiconductor sector.
  This presentation reviews recent advancements in SiC colour centres for q
 uantum networking and sensing\, focusing on two key systems.\nFirst\, I di
 scuss the silicon vacancy (V_Si)\, which features lifetime-limited photon 
 emission at 20 K. This stability has enabled us to perform state-of-the-ar
 t Hong-Ou-Mandel (HOM) experiments and transition to spin-photon entanglem
 ent\, confirming the V_Si’s relevance for quantum network nodes. Further
 more\, I will highlight the use of V_Si centres to control nuclear spin re
 gisters with up to 25 qubits\, providing a foundation for small-scale quan
 tum computing and error correction. I also address challenges regarding ph
 oton count rates through nanophotonic integration and surface passivation.
 \nSecond\, I introduce the oxygen-vacancy centre (O_C V_Si/PL6)\, a promis
 ing NV-like candidate. We summarise key results\, including room-temperatu
 re quantum sensing\, nuclear spin qubit control\, and efficient fabricatio
 n via focused ion beam implantation of oxygen and carbon monoxide.\nFinall
 y\, we provide an overview of the quantum research landscape in Luxembourg
 \, which is centred on wide bandgap semiconductors for the deployment of q
 uantum internet hardware and future sensing activities.\n\nhttps://indico.
 physik.uni-siegen.de/event/896/
URL:https://indico.physik.uni-siegen.de/event/896/
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