4 papers
Coupling between CaWO phonons and Er dopants
Mikhael T. Sayat, Federico Pisani, Hin Lok Chang +8
We investigate the lattice dynamics of CaWO, a promising host crystal for erbium-based quantum memories, using inelastic neutron scattering together with density-functional per…
Improving Free-Space Continuous Variable Quantum Key Distribution with Adaptive Optics
Mikhael T. Sayat, Marcus Birch, Michael Copeland +6
A significant performance inhibitor of free-space continuous variable quantum key distribution (CVQKD) is turbulence, which gives rise to wavefront phase and amplitude aberrations.…
Polarisation and Temperature Dependence of Er:CaWO -- Towards a Solid-State Rare-Earth Ion-Doped Quantum Memory
Mikhael T. Sayat, Trevor R. Lee, Suchit Negi +6
In the endeavour of developing quantum memories, Er:CaWO has emerged as a promising rare-earth ion-doped (REID) crystal platform due to its long optical coherence times…
Dynamic Continuous Variable Quantum Key Distribution for Securing a Future Global Quantum Network
Mikhael T. Sayat, Sebastian P. Kish, Ping Koy Lam +2
Continuous variable quantum key distribution (CVQKD) is a developing method to secure information exchange in future quantum networks. With the recent developments in quantum techn…