Our friends and collaborators at Hatlab (with Wolfgang as collaborating author) show a modular quantum computing architecture based on quantum routing with controllable 3-wave mixing.
Full citation: C. Zhou et al., Realizing All-to-All Couplings among Detachable Quantum Modules Using a Microwave Quantum State Router, Npj Quantum Inf 9, 54 (2023).
Link to reviewed paper: http://dx.doi.org/10.1038/s41534-023-00723-7
arXiv: https://arxiv.org/abs/2109.06848