Related papers: New generation of cavity microscope for quantum simulations

New generation of cavity microscope for quantum simulations

URL: http://arxiv.org/abs/2505.10733v1
Date: Thu, 15 May 2025 22:23:06 GMT
Title: New generation of cavity microscope for quantum simulations
Authors: Gaia Stella Bolognini, Zeyang Xue, Michael Alexander Eichenberger, Nick Sauerwein, Francesca Orsi, Ekaterina Fedotova, Rohit Prasad Bhatt, Jean-Philippe Brantut,
Abstract summary: We present the design and assembly of a cavity microscope for quantum simulations with ultracold atoms.<n>The system integrates a high-finesse optical cavity with a pair of high-numerical aperture lenses sharing a common optical axis.
Score: 1.1876625435480448
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Abstract: We present the design and assembly of a cavity microscope for quantum simulations with ultracold atoms. The system integrates a high-finesse optical cavity with a pair of high-numerical aperture lenses sharing a common optical axis, enabling simultaneous operation with light close-to-atomic resonance. The system keeps the advantages of a rigid, single-block structure holding the lenses and cavity together, and improves over existing designs by using most of the solid angle left free by the cavity mode for imaging and atomic manipulation purposes. The cavity has a length of $19.786$mm, a finesse of $2.35\times 10^4$ and operates $214\mu\text{m}$ away from the concentric limit, deep in the strong coupling regime. The two lenses offer a numerical aperture of $0.52$ each and maximal optical access in all directions transverse to the cavity axis, compatible with applications in quantum-gas microscopes, micro-tweezer arrays or few-fermions systems, as well as future cavity-assisted quantum simulation protocols demanding sub-cavity-mode control of the atom-cavity coupling.

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