Two approaches (PTM singular vector optimization and sequential basis matching) allow BB84 and six-state QKD to achieve equivalent key rates over unital channels without a shared reference frame by absorbing frame misalignment into the channel.
The security of practical quantum key distribution
9 Pith papers cite this work. Polarity classification is still indexing.
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An SDP-based framework computes optimal quantum cloning maps via Choi isomorphism, certifies optimality with duality, and extracts Kraus operators for universal, phase-covariant, asymmetric, and entanglement cloning including higher-order cases.
Hybrid semiconductor-dielectric microresonator with quantum dot delivers 11% end-to-end efficiency for polarized telecom C-band single photons.
A state discrimination game on energy-restricted quantum states creates a hierarchy of optimal success probabilities that certifies multipartite entanglement structure.
VPS-QMSD configuration in CV-QKD yields the lowest accepted QBER under Erlang-modeled underwater turbulence compared to VPS-QMLD and VPS-HD, with analytical expressions validated by Monte Carlo simulations.
New combinatorial proofs and circuit designs for quantum error correction reduce physical qubit overhead by up to 10x and time overhead by 2-6x for codes including Steane, Golay, and surface codes.
Higher-dimensional two-way QKD protocols using mutually unbiased bases and Heisenberg-Weyl operators yield secret keys for stronger individual attacks and improved robustness to collective eavesdropping via entropic uncertainty relations.
Presents an engineering demonstration of SDN-based QKD integration in a shared production optical network for post-quantum security.
Simulation-based design of a Si3N4/SiO2 aMZI with 500 ps delay, stable 3 dB coupling across C-band, and >0.99 visibility for gigahertz time-bin QKD.
citing papers explorer
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Quantum Key Distribution Without Shared Reference Frame Under Unital Noise
Two approaches (PTM singular vector optimization and sequential basis matching) allow BB84 and six-state QKD to achieve equivalent key rates over unital channels without a shared reference frame by absorbing frame misalignment into the channel.
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Semidefinite Programming for Optimal Quantum Cloning: A Computational Framework
An SDP-based framework computes optimal quantum cloning maps via Choi isomorphism, certifies optimality with duality, and extracts Kraus operators for universal, phase-covariant, asymmetric, and entanglement cloning including higher-order cases.
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Telecom C-band single-photon sources with a semiconductor-dielectric microresonator
Hybrid semiconductor-dielectric microresonator with quantum dot delivers 11% end-to-end efficiency for polarized telecom C-band single photons.
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Entanglement Structure Certification Based on Energy-Restricted State Discrimination
A state discrimination game on energy-restricted quantum states creates a hierarchy of optimal success probabilities that certifies multipartite entanglement structure.
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CV-QKD over Turbulence Channels with Virtual Photon Subtraction and Quantum Multiple-Symbol Detection for Underwater Quantum Communications
VPS-QMSD configuration in CV-QKD yields the lowest accepted QBER under Erlang-modeled underwater turbulence compared to VPS-QMLD and VPS-HD, with analytical expressions validated by Monte Carlo simulations.
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Lower overhead fault-tolerant building blocks for noisy quantum computers
New combinatorial proofs and circuit designs for quantum error correction reduce physical qubit overhead by up to 10x and time overhead by 2-6x for codes including Steane, Golay, and surface codes.
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Security of deterministic key distribution with higher-dimensional systems
Higher-dimensional two-way QKD protocols using mutually unbiased bases and Heisenberg-Weyl operators yield secret keys for stronger individual attacks and improved robustness to collective eavesdropping via entropic uncertainty relations.
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The Engineering of Software-Defined Quantum Key Distribution Networks
Presents an engineering demonstration of SDN-based QKD integration in a shared production optical network for post-quantum security.
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Phase Stable Integrated Delay Line Asymmetric Mach Zehnder Interferometers Enabled by High Efficiency 3 dB Couplers for Chip Scale QKD
Simulation-based design of a Si3N4/SiO2 aMZI with 500 ps delay, stable 3 dB coupling across C-band, and >0.99 visibility for gigahertz time-bin QKD.