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.…
Magnetic imaging under high pressure with a spin-based quantum sensor integrated in a van der Waals heterostructure
Principle of the experiment We start by studying how the optical and spin properties of \({{{\rm{V}}}}_{{{\rm{B}}}}^{-}\) centers in…
Probing stress and magnetism at high pressures with two-dimensional quantum sensors
Doherty, M. W. et al. Electronic properties and metrology applications of the diamond NV-center under pressure. Phys. Rev.…
A unified realization of electrical quantities from the quantum International System of Units
Mills, I. M., Mohr, P. J., Quinn, T. J., Taylor, B. N. & Williams, E. R. Redefinition of…
High-purity quantum optomechanics at room temperature
Aspelmeyer, M., Kippenberg, T. J. & Marquardt, F. Cavity optomechanics. Rev. Mod. Phys. 86, 1391 (2014). ADSÂ Google…
Demonstration of a tunable non-Hermitian nonlinear microwave dimer
Figure 1 a illustrates the 3D microwave cavities used in our system, each with four ports featuring adjustable coupling…