Quantum states made to measure

Abstract

Recent progress in manipulating quantum states of light and matter brings quantum-enhanced measurements closer to prospective applications. The current challenge is to make quantum metrologic strategies robust against imperfections.

4 pages, 3 figures, Commentary for Nature Photonics

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• Heralded Generation of Ultrafast Single Photons in Pure Quantum States
• Entanglement-free Heisenberg-limited phase estimation
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• Observation of squeezed light with 10dB quantum noise reduction
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Cited by in corpus (40)

• Advances in Quantum Metrology
• General framework for estimating the ultimate precision limit in noisy quantum-enhanced metrology
• Advances in Photonic Quantum Sensing
• The elusive Heisenberg limit in quantum enhanced metrology
• Quantum interferometry with and without an external phase reference
• Entanglement-enhanced probing of a delicate material system
• Efficient tools for quantum metrology with uncorrelated noise
• Beating Abbe diffraction limit in confocal microscopy via non-classical photon statistics
• Quantum Metrological Limits via a Variational Approach
• Ab-initio Quantum Enhanced Optical Phase Estimation Using Real-time Feedback Control
• Phase estimation without a priori knowledge in the presence of loss
• Quantum metrology with full and fast quantum control
• Bayesian quantum frequency estimation in presence of collective dephasing
• Efficient and pure femtosecond-pulse-length source of polarization-entangled photons
• Quantum-enhanced metrology for multiple phase estimation with noise
• Retrieving ideal precision in noisy quantum optical metrology
• Beyond quantum Fisher information: optimal phase estimation with arbitrary a priori knowledge
• Testing Quantum Gravity by Quantum Light
• Entanglement and Extreme Spin Squeezing for a Fluctuating Number of Indistinguishable Particles
• Preparing the bound instance of quantum entanglement
• Quantum metrology beyond Heisenberg limit with entangled matter wave solitons
• Mode engineering for realistic quantum-enhanced interferometry
• Entanglement sensitivity to signal attenuation and amplification
• Quantum metrology in local dissipative environments
• Stark localization as a resource for weak-field sensing with super-Heisenberg precision
• Photon statistics and bunching of a chaotic semiconductor laser
• Effect of inter-particle interaction in a free oscillation atomic interferometer
• Quantum computation speedup limits from quantum metrological precision bounds
• Quantum-limited estimation of continuous spontaneous localization
• Heisenberg versus standard scaling in quantum metrology with Markov generated states and monitored environment
• Long-range interacting Stark many-body probes with Super-Heisenberg precision
• Room-temperature photonic quantum computing in integrated silicon photonics with germanium-silicon single-photon avalanche diodes
• Nonlinearity-enhanced quantum sensing in Stark probes
• Super-Sensitive Ancilla-Based Adaptive Quantum Phase Estimation
• Universal time scalings of sensitivity in Markovian quantum metrology
• Quantum-enhanced joint estimation of phase and phase diffusion
• Collective modes of a trapped ion-dipole system
• Measurement compatibility in multiparameter quantum interferometry
• Discrete time crystal for periodic-field sensing with quantum-enhanced precision
• Quantum enhanced optical phase estimation with a squeezed thermal state