Quantum-enhanced passive remote sensing
arXiv:2112.05455 · doi:10.1103/PhysRevA.106.012601
Abstract
We investigate theoretically the ultimate resolution that can be achieved with passive remote sensing in the microwave regime used e.g.~on board of satellites observing Earth, such as the Soil Moisture and Ocean Salinity (SMOS) mission. We give a fully quantum mechanical analysis of the problem, starting from thermal distributions of microscopic currents on the surface to be imaged that lead to a mixture of coherent states of the electromagnetic field which are then measured with an array of receivers. We derive the optimal detection modes and measurement schemes that allow one to saturate the quantum Cramér-Rao bound for the chosen parameters that determine the distribution of the microscopic currents. For parameters comparable to those of SMOS, a quantum enhancement of the spatial resolution by more than a factor of 20 should be possible with a single measurement and a single detector, and a resolution down to the order of 1 meter and less than a 1/10 Kelvin for the theoretically possible maximum number of measurements.
References in corpus (51)
- Gaussian Quantum Information
- Continuous variable quantum information: Gaussian states and beyond
- Quantum Fisher information matrix and multiparameter estimation
- Quantum Theory of Superresolution for Two Incoherent Optical Point Sources
- Longer-Baseline Telescopes Using Quantum Repeaters
- Quantum enhanced measurements without entanglement
- Quantum optics in the phase space - A tutorial on Gaussian states
- Compatibility in Multiparameter Quantum Metrology
- Multi-parameter Quantum Metrology
- Quantum parameter estimation using general single-mode Gaussian states
- Quantum parameter estimation using general single-mode Gaussian states
- A Geometric Perspective on Quantum Parameter Estimation
- A perspective on multiparameter quantum metrology: from theoretical tools to applications in quantum imaging
- Far-field Superresolution of Thermal Electromagnetic Sources at the Quantum Limit
- Multiparameter Quantum Metrology of Incoherent Point Sources: Towards Realistic Superresolution
- Ultimate precision bound of quantum and sub-wavelength imaging
- Optical Interferometry with Quantum Networks
- Efficient multiphoton sampling of molecular vibronic spectra on a superconducting bosonic processor
- Multiparameter Gaussian Quantum Metrology
- A modern description of Rayleigh's criterion
- Ultimate sensitivity of precision measurements with Gaussian quantum light : a multi-modal approach
- Detecting itinerant microwave photons with engineered non-linear dissipation
- Estimation of Gaussian quantum states
- Subdiffraction incoherent optical imaging via spatial-mode demultiplexing
- Quantum limit for two-dimensional resolution of two incoherent optical point sources
- Quantum limit to subdiffraction incoherent optical imaging
- Quantum Semiparametric Estimation
- Towards superresolution surface metrology: Quantum estimation of angular and axial separations
- Bounds on Quantum Multiple-Parameter Estimation with Gaussian State
- Precision measurements with photon-subtracted or photon-added Gaussian states
- The quantum limit to incoherent imaging is achieved by linear interferometry
- Fundamental precision bounds for three-dimensional optical localization microscopy with Poisson statistics
- Quantum Nonlocality in Weak-Thermal-Light Interferometry
- Super-resolution linear optical imaging in the far field
- Quantum limits to optical point-source localization
- Superresolution Limits from Measurement Crosstalk
- Optical-domain spectral super-resolution via a quantum-memory-based time-frequency processor
- Resolution limits of spatial mode demultiplexing with noisy detection
- Quantum limits of localisation microscopy
- Quantum limits of superresolution in a noisy environment
- Optimal imaging of remote bodies using quantum detectors
- Discrimination and estimation of incoherent sources under misalignment
- Moment-based superresolution: Formalism and applications
- Optimal Quantum Metrology of Distant Black Bodies
- A quantitative comparison of amplitude versus intensity interferometry for astronomy
- Superresolution in interferometric imaging of strong thermal sources
- Sub-Rayleigh resolution of two incoherent sources by array homodyning
- Coherence effects on estimating general sub-Rayleigh object distribution moments
- Super-resolution Optical Fluctuation Imaging -- fundamental estimation theory perspective
- Generalization of the Van Cittert--Zernike theorem: observers moving with respect to sources
- Fourier-Correlation Imaging