A single PPKTP source in a polarization Sagnac interferometer generates any of the four Bell states on demand via motorized crystal translation and HWP switching, with fidelity verified by tomography and Bell tests.
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Entangled photon pairs enable quadratic quantum polarimetry by simultaneous interaction with depolarizing media, revealing enhanced sensitivity to polarization scrambling via second-order correlations.
Experimental MDI entanglement verification and quantification realized in a fully connected four-user time-bin quantum network using polarization-encoded trusted inputs and a single dataset without ancillary photons.
Orthogonalised SGQT adapts orthogonalisation from single-pixel imaging to improve quantum tomography fidelity from 95.2% to 99.17% numerically and 92.1% to 95.3% experimentally.
A bi-objective SDP framework for constrained shadow tomography reconstructs N-representable 2-RDMs from noisy shadow data by balancing measurement fidelity with energy minimization for molecular quantum simulations.
citing papers explorer
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On-demand generation of all four Bell states using a single PPKTP entangled photon source
A single PPKTP source in a polarization Sagnac interferometer generates any of the four Bell states on demand via motorized crystal translation and HWP switching, with fidelity verified by tomography and Bell tests.
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Quadratic Quantum Polarimetry with Entangled Photon Pairs
Entangled photon pairs enable quadratic quantum polarimetry by simultaneous interaction with depolarizing media, revealing enhanced sensitivity to polarization scrambling via second-order correlations.
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Measurement-Device-Independent Entanglement Quantification in a Fully Connected Time-Bin Quantum Network
Experimental MDI entanglement verification and quantification realized in a fully connected four-user time-bin quantum network using polarization-encoded trusted inputs and a single dataset without ancillary photons.
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Orthogonalised Self-Guided Quantum Tomography: Insights from Single-Pixel Imaging
Orthogonalised SGQT adapts orthogonalisation from single-pixel imaging to improve quantum tomography fidelity from 95.2% to 99.17% numerically and 92.1% to 95.3% experimentally.
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Constrained Shadow Tomography for Molecular Simulation on Quantum Devices
A bi-objective SDP framework for constrained shadow tomography reconstructs N-representable 2-RDMs from noisy shadow data by balancing measurement fidelity with energy minimization for molecular quantum simulations.