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Strong light-matter coupling has been recently successfully explored in the GHz and THz [1] range with on-chip platforms. New and intriguing quantum optical phenomena have been predicted in the ultrastrong coupling regime [2], when the coupling strength Ω becomes comparable to the unperturbed frequency of the system ω. We recently proposed a new experimental platform where we couple the inter-Landau...
The existence of long-lived electronic states is a remarkable property of two-electron atoms. Such states can be addressed and manipulated with ultranarrow lasers, allowing for the investigation of new phenomena in which multiple degrees of freedom are involved as well as for the realization of new quantum simulation and information schemes.
Integrated Optical Fibre (lOF) is a low-loss photonic platform that directly integrates optical fibre to a planar substrate. The platform possess advantages associated with optical fibre including low propagation loss, whilst at the same time enabling planar functionality associated with integrated optics. IOF fabrication is achieved through a modified Flame Hydrolysis Deposition (FHD) technique that...
Photonic crystal nanocavities have been intensively investigated due to their unique combination of high quality factors and small mode-volumes [1, 2]. When such cavities are optically coupled new phenomena and applications arise such as slow light [3]. To achieve complete tunability of coupled cavity systems one should be able to individually tune resonance frequencies of resonators as well as the...
Recent demonstrations of single-crystal diamond cavity optomechanical devices [1] have made progress towards the realization of hybrid quantum technologies capable of controlling interactions between light, vibrations, and electron spins [2]. The microdisk structure studied here is advantageous due to the simple geometry, strong optomechanical coupling between high frequency mechanical resonances,...
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