Quantum Estimation Methods for Quantum Illumination
arXiv:1606.06656 · doi:10.1103/PhysRevLett.118.070803
Abstract
Quantum illumination consists in shining quantum light on a target region immersed in a bright thermal bath, with the aim of detecting the presence of a possible low-reflective object. If the signal is entangled with the receiver, then a suitable choice of the measurement offers a gain with respect to the optimal classical protocol employing coherent states. Here, we tackle this detection problem by using quantum estimation techniques to measure the reflectivity parameter of the object, showing an enhancement in the signal-to-noise ratio up to 3 dB with respect to the classical case when implementing only local measurements. Our approach employs the quantum Fisher information to provide an upper bound for the error probability, supplies the concrete estimator saturating the bound, and extends the quantum illumination protocol to non-Gaussian states. As an example, we show how Schrodinger's cat states may be used for quantum illumination.
Published version
References in corpus (12)
- Quantum metrology from a quantum information science perspective
- Quantum Illumination with Gaussian States
- The Quantum Chernoff Bound
- Quantum Illumination at the Microwave Wavelengths
- Microwave Quantum Illumination
- Experimental realisation of quantum illumination
- Entanglement-Enhanced Sensing in a Lossy and Noisy Environment
- Gaussian-state quantum-illumination receivers for target detection
- Computable bounds for the discrimination of Gaussian states
- The quantum Chernoff bound as a measure of distinguishability between density matrices: application to qubit and Gaussian states
- Gaussian hypothesis testing and quantum illumination
- Parity-dependent State Engineering and Tomography in the ultrastrong coupling regime
Cited by in corpus (53)
- Advances in Photonic Quantum Sensing
- Imaging Through Noise With Quantum Illumination
- Critical parametric quantum sensing
- Fundamental limits of quantum illumination
- Nonclassical Light and Metrological Power: An Introductory Review
- The minimum error probability of quantum illumination
- Entanglement-enhanced Neyman-Pearson target detection using quantum illumination
- Enhancing LIDAR performance metrics using continuous-wave photon-pair sources
- Advances in Quantum Radar and Quantum LiDAR
- Quantum illumination reveals phase-shift inducing cloaking
- Quantum-enhanced Doppler lidar
- Microwave photon detection at parametric criticality
- Finite-time quantum entanglement in propagating squeezed microwaves
- Optimal probes for continuous variable quantum illumination
- Propagating Quantum Microwaves: Towards Applications in Communication and Sensing
- Quantum Induced Coherence Light Detection and Ranging
- Fisher information universally identifies quantum resources
- Two-way covert quantum communication in the microwave regime
- Quantum illumination via quantum-enhanced sensing
- Experimental Quantum Target Detection Approaching the Fundamental Helstrom Limit
- Gaussian quantum estimation of the lossy parameter in a thermal environment
- Quantum illumination receiver using double homodyne detection
- Quantum Illumination with a Hetero-Homodyne Receiver and Sequential Detection
- Quantum-enhanced pattern recognition
- Overarching framework between Gaussian quantum discord and Gaussian quantum illumination
- Gaussian State-Based Quantum Illumination with Simple Photodetection
- Supersensitivity of Kerr phase estimation with two-mode squeezed vacuum states
- Quantum-Enhanced Transmittance Sensing
- Challenges in Open-air Microwave Quantum Communication and Sensing
- Observable bound for Gaussian illumination
- A comparison between quantum and classical noise radar sources
- Quantum illumination with multiplexed photodetection
- Broadband complex two-mode quadratures for quantum optics
- Coplanar Antenna Design for Microwave Entangled Signals Propagating in Open Air
- Heisenberg scaling with classical long-range correlations
- Imperfect photon detection in quantum illumination
- Bound for Gaussian-state Quantum illumination using direct photon measurement
- Quantum metrology with quantum Wheatstone bridge composed of Bose systems
- Low-Light Shadow Imaging using Quantum-Noise Detection with a Camera
- Bi-frequency illumination: a quantum-enhanced protocol
- Quantum illumination with noisy probes: Conditional advantages of non-Gaussianity
- Gaussian Quantum Illumination via Monotone Metrics
- Saturable global quantum sensing
- Not even 6 dB: Gaussian quantum illumination in thermal background
- Analytical bounds for non-asymptotic asymmetric state discrimination
- On quantum illumination, quantum reading, and the capacity of quantum computation
- Critical Quantum Sensing: a tutorial on parameter estimation near quantum phase transitions
- Existence of unbiased resilient estimators in discrete quantum systems
- Unambiguous discrimination of general quantum operations
- Relation between quantum illumination and quantum parameter estimation
- Optimal probe states for single-mode quantum target detection in arbitrary object reflectivity
- Entanglement and Optimal Timing in Discriminating Quantum Dynamical Processes
- Two-stage Quantum Estimation and the Asymptotics of Quantum-enhanced Transmittance Sensing