Entanglement with negative Wigner function of almost 3,000 atoms heralded by one photon

Reduced spin measurement back-action for a phase sensitivity ten times beyond the standard quantum limit

(2014) J. G. Bohnet et al.   Nature Photonics

Quantum interference of a single spin excitation with a macroscopic atomic ensemble

(2014) S. L. Christensen et al.   PHYSICAL REVIEW A

Detecting Multiparticle Entanglement of Dicke States

(2014) Bernd Lücke et al.   PHYSICAL REVIEW LETTERS

Entangled States of More Than 40 Atoms in an Optical Fiber Cavity

(2014) F. Haas et al.   SCIENCE

Fisher information and entanglement of non-Gaussian spin states

(2014) H. Strobel et al.   SCIENCE

Toward quantum state tomography of a single polariton state of an atomic ensemble

(2013) S L Christensen et al.   NEW JOURNAL OF PHYSICS

Generating entangled spin states for quantum metrology by single-photon detection

(2013) Robert McConnell et al.   PHYSICAL REVIEW A

Deterministically Encoding Quantum Information Using 100-Photon Schrodinger Cat States

(2013) B. Vlastakis et al.   SCIENCE

Spin-nematic squeezed vacuum in a quantum gas

(2012) C. D. Hamley et al.   Nature Physics

Magnetic Sensitivity Beyond the Projection Noise Limit by Spin Squeezing

(2012) R. J. Sewell et al.   PHYSICAL REVIEW LETTERS

14-Qubit Entanglement: Creation and Coherence

(2011) Thomas Monz et al.   PHYSICAL REVIEW LETTERS

Entanglement of spin waves among four quantum memories

(2010) K. S. Choi et al.   NATURE

Atom-chip-based generation of entanglement for quantum metrology

(2010) Max F. Riedel et al.   NATURE

Nonlinear atom interferometer surpasses classical precision limit

(2010) C. Gross et al.   NATURE

Manipulation of Nonclassical Atomic Spin States

(2010) Tetsushi Takano et al.   PHYSICAL REVIEW LETTERS

States of an Ensemble of Two-Level Atoms with Reduced Quantum Uncertainty

(2010) Monika H. Schleier-Smith et al.   PHYSICAL REVIEW LETTERS

Implementation of Cavity Squeezing of a Collective Atomic Spin

(2010) Ian D. Leroux et al.   PHYSICAL REVIEW LETTERS

Mesoscopic atomic entanglement for precision measurements beyond the standard quantum limit

(2009) J. Appel et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA