Passive demultiplexed two-photon state generation from a quantum dot
Aspuru-Guzik, A. & Walther, P. Photonic quantum simulators. Nat. Phys. 8, 285–291 (2012). Google Scholar Sparrow, C. et…
Exact collective occupancies of the Moshinsky model in two-dimensional geometry
We consider a system of N bosons in a two-dimensional isotropic harmonic potential, interacting with a force proportional…
Tensor networks for quantum computing
Schollwöck, U. The density-matrix renormalization group in the age of matrix product states. Ann. Phys. 326, 96–192 (2011).…
High-temperature quantum coherence of spinons in a rare-earth spin chain
Connecting theory and experiment While spin-1/2 chains in magnetic crystals have been studied in the past31,32,33,34, to our…
Nanophotonic quantum skyrmions enabled by semiconductor cavity quantum electrodynamics
Skyrme, T. H. R. A non-linear field theory. Proc. R. Soc. A 260, 127–138 (1961). ADS MathSciNet Google…
Exploiting strained epitaxial germanium for scaling low-noise spin qubits at the micrometre scale
Heterostructure growth The Ge/SiGe heterostructure material is grown using reduced-pressure chemical vapour deposition in an ASMI Epsilon 2000…
Deterministic generation of two-dimensional multi-photon cluster states
Device architecture and cluster state generation protocol To generate ladder-like cluster states, we use two transmon qubits whose…
Spin-qubit control with a milli-kelvin CMOS chip
To evaluate single-qubit gates, we first establish a baseline using all room-temperature electronics for control. Following the usual…
Krylov diagonalization of large many-body Hamiltonians on a quantum processor
Theory of Krylov quantum diagonalization KQD consists of two main steps. The first is a quantum subroutine to…
Spectral properties of two superconducting artificial atoms coupled to a resonator in the ultrastrong coupling regime
Device Figure 1a shows an optical microscopy image of the artificial-atom–resonator circuit. The LC resonator is composed of an…