Complete Characterization of Quantum-Optical Processes
arXiv:0811.2784 · doi:10.1126/science.1162086
Abstract
The technologies of quantum information and quantum control are rapidly improving, but full exploitation of their capabilities requires complete characterization and assessment of processes that occur within quantum devices. We present a method for characterizing, with arbitrarily high accuracy, any quantum optical process. Our protocol recovers complete knowledge of the process by studying, via homodyne tomography, its effect on a set of coherent states, i.e. classical fields produced by common laser sources. We demonstrate the capability of our protocol by evaluating and experimentally verifying the effect of a test process on squeezed vacuum.
5 pages, 4 figures
References in corpus (16)
- Quantum Cryptography
- Complete Characterization of a Quantum Process: the Two-Bit Quantum Gate
- Complete quantum teleportation using nuclear magnetic resonance
- Quantum process tomography of a controlled-NOT gate
- Quantum Process Tomography: Resource Analysis of Different Strategies
- Quantum State Engineering and Precision Metrology using State-Insensitive Light Traps
- Quantum memory for squeezed light
- Ancilla-assisted quantum process tomography
- Tomography of Quantum Operations
- Iterative maximum-likelihood reconstruction in quantum homodyne tomography
- Realization of quantum process tomography in NMR
- Process tomography of ion trap quantum gates
- Diluted maximum-likelihood algorithm for quantum tomography
- Diagnosis, prescription and prognosis of a Bell-state filter by quantum process tomography
- Electronic Noise in Optical Homodyne Tomography
- Exploiting quantum parallelism of entanglement for a complete experimental quantum characterization of a single qubit device
Cited by in corpus (94)
- Continuous-variable optical quantum state tomography
- Manipulating multi-photon entanglement in waveguide quantum circuits
- On the experimental verification of quantum complexity in linear optics
- Efficient measurement of quantum dynamics via compressive sensing
- Gate Set Tomography
- Quantum fidelity measures for mixed states
- Versatile Wideband Balanced Detector for Quantum Optical Homodyne Tomography
- Towards Quantum Communication in Free-Space Seawater
- Demonstration of coherent time-frequency Schmidt mode selection using dispersion-engineered frequency conversion
- Measuring Measurement: Theory and Practice
- Direct characterization of linear-optical networks
- Quantum characterization of superconducting photon counters
- Nonclassicality filters and quasiprobabilities
- Quantum process tomography with coherent states
- Probing quantum processor performance with pyGSTi
- Memory for Light as a Quantum Process
- Experimental characterization of bosonic photon creation and annihilation operators
- Tomography of a Mode-Tunable Coherent Single-Photon Subtractor
- High-Fidelity Polarization Storage in a Gigahertz Bandwidth Quantum Memory
- Ancilla-Assisted Calibration of a Measuring Apparatus
- Experimental entanglement activation from discord in a programmable quantum measurement
- Exciton-Polariton Quantum Gates Based on Continuous Variables
- Recursive quantum detector tomography
- Fermion Sampling: a robust quantum computational advantage scheme using fermionic linear optics and magic input states
- Programmable high-dimensional Hamiltonian in a photonic waveguide array
- Experimental quantum tomography of a homodyne detector
- Quantum state estimation with unknown measurements
- Direct characterization of a nonlinear photonic circuit's wave function with laser light
- Quantum Process Nonclassicality
- Benchmarking integrated photonic architectures
- Optimal quantum tomography
- Quasiprobability distributions for quantum-optical coherence and beyond
- Optimal quantum multi-parameter estimation and application to dipole- and exchange-coupled qubits
- Quantum-enhanced tomography of unitary processes
- Quantum learning of coherent states
- Quantum state tomography of large nuclear spins in a semiconductor quantum well: Optimal robustness against errors as quantified by condition numbers
- Towards highly efficient broadband superconducting quantum memory
- Detector-Independent Verification of Quantum Light
- Adaptive schemes for incomplete quantum process tomography
- Accurate and precise characterization of linear optical interferometers
- On unitary reconstruction of linear optical networks
- Tomograms for open quantum systems: in(finite) dimensional optical and spin systems
- Quantum process tomography of a high-dimensional quantum communication channel
- Process output nonclassicality and nonclassicality depth of quantum-optical channels
- Optimal working points for continuous-variable quantum channels
- Bosonic Mpemba effect with non-classical states of light
- Tomography of a multimode quantum black box
- From particle counting to Gaussian tomography
- Quantum process tomography of linear and quadratically nonlinear optical systems
- Enhanced estimation of loss in the presence of Kerr nonlinearity
- Characterization of conditional state-engineering quantum processes by coherent state quantum process tomography
- Spacetime replication of continuous variable quantum information
- Efficient tomography of quantum-optical Gaussian processes probed with a few coherent states
- Identification of nonclassical properties of light with multiplexing layouts
- Reconstruction of the wavefunctions of coupled nanoscopic emitters using a coherent optical technique
- Measurement-device-independent entanglement detection for continuous-variable systems
- Characterizing multi-photon quantum interference with practical light sources and threshold single-photon detectors
- Quantum Process Estimation via Generic Two-Body Correlations
- Quantum benchmarking with realistic states of light
- On the Optimal Choice of Spin-Squeezed States for Detecting and Characterizing a Quantum Process
- Efficient verification of bosonic quantum channels via benchmarking
- Complete physical characterization of QND measurements via tomography
- Full Quantum Process Tomography of a Universal Entangling Gate on an IBM's Quantum Computer
- Scheme for coherent-state quantum process tomography via normally-ordered moments
- How to find optimal quantum states for optical micromanipulation and metrology in complex scattering problems: tutorial
- Continuous-variable quantum process tomography with squeezed-state probes
- Estimating the precision for quantum process tomography
- Heralded processes on continuous-variable spaces as quantum maps
- Optimal characterization of Gaussian channels using photon-number-resolving detectors
- Experimental witnessing of the quantum channel capacity in the presence of correlated noise
- Fourier Quantum Process Tomography
- Quaternion representation and symplectic spin tomography
- Estimating the photon-number distribution of photonic channels with realistic devices and applications in photonic quantum information processing
- Process tomography in general physical theories
- Emulation of quantum measurements with mixtures of coherent states
- Quantum process tomography of continuous-variable gates using coherent states
- Confidence polytopes for quantum process tomography
- Coherence via reiterated beam splitting
- Retrieving space-dependent polarization transformations via near-optimal quantum process tomography
- Fidelity of Fock-state-encoded qubits subjected to continuous variable Gaussian processes
- Feasibility study of a coherent feedback squeezer
- Qubit-Programmable Operations on Quantum Light Fields
- Out-of-distribution generalisation for learning quantum channels with low-energy coherent states
- Quantum process tomography of structured optical gates with convolutional neural networks
- Optical quantum memory
- Time-frequency quantum process tomography of parametric down-conversion
- Quantum Tomography of the Photon-Plasmon Conversion Process in a Metal Hole Array
- Selective continuous-variable quantum process tomography
- Effect of relativistic motion on witnessing non-classicality of quantum states
- Reliable confidence regions for quantum tomography using distribution moments
- Direct and Parallel Tomography of a Quantum Process
- Completely characterizing multimode nonlinear-optical quantum processes
- Filter functions for the Glauber-Sudarshan -function regularization
- Quantum Process Tomography of an Optically-Controlled Kerr Non-linearity