Infrared absorption spectroscopy of a single polyatomic molecular ion
Molecule generation Our experiment is performed on a mixed-species two-ion crystal consisting of 40Ca+ and 40CaOH+ confined in…
Multimodal scanning-probe quantum sensing of quantum materials
Degen, C. L., Reinhard, F. & Cappellaro, P. Quantum sensing. Rev. Mod. Phys. 89, 035002 (2017). Article Google…
Hong–Ou–Mandel interference of more than ten indistinguishable atoms
Coherent mode coupling and spin-changing collisions We employed a low-noise 6.8-GHz microwave source62 to drive Rabi oscillations between…
Dynamical freezing for magnetometry in an interacting spin ensemble
Rigol, M., Dunjko, V. & Olshanii, M. Thermalization and its mechanism for generic isolated quantum systems. Nature 452,…
Scalable generation of massive Schrödinger cat states via quantum tunnelling
Feynman, R. P. The Role of Gravitation in Physics: Report from the 1957 Chapel Hill Conference Vol. 5…
Exceptional sensitivity near the bistable transition point of a hybrid quantum system
Li, A. et al. Exceptional points and non-Hermitian photonics at the nanoscale. Nat. Nanotechnol. 18, 706–720 (2023). Article …
Cavity-enhanced spectroscopy in the deep cryogenic regime for quantum sensing and metrology
Gianfrani, L., Hu, S.-M. & Ubachs, W. Advances in cavity-enhanced methods for high precision molecular spectroscopy and test…
Quantum-limited metrology of macroscopic spin ensembles
Degen, C. L., Reinhard, F. & Cappellaro, P. Quantum sensing. Rev. Mod. Phys. 89, 035002 (2017). Article ADS …
Entanglement-assisted non-local optical interferometry in a quantum network
Experimental setup The experiment encompasses two labs, each containing one station with an SiV inside a dilution refrigerator…
Sensing with discrete time crystals
Principle: prethermal DTC lifetime extension by a.c. fields The system consists of a diamond crystal with 13C nuclear…
Measurement of correlated charge noise in superconducting qubits at an underground facility
Controlling the radiation environment of superconducting qubits The qubit chip was relocated from the Earth’s surface at Madison,…
Quantum-amplified global-phase spectroscopy on an optical clock transition
Ludlow, A. D., Boyd, M. M., Ye, J., Peik, E. & Schmidt, P. O. Optical atomic clocks. Rev.…