A cavity-enhanced system encodes qubits in polarization of intracavity modes and uses polarization-selective nonlinearities to implement universal gates, with scaling analysis indicating feasible conditional phases in small cavities using accessible materials.
Logical states for fault-tolerant quantum computation with propagating light.Science, 383(6680):289–293
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Hybrid pulsed-CW architecture for optical quantum computation with experimental proof-of-principle of ultrafast homodyne detection on pulsed single-photon states yielding W(0,0) = -0.153.
Introduces non-Gaussian control parameters (s0, δ0) and an optimization method that reduces photon detections by a factor of three and increases preparation probability by nearly 10^8 for GKP states, with gains shown across cat, cubic phase, and random states.
Most institutions should start with the smallest quantum capability layer that delivers repeatable near-term value and builds expertise rather than acquiring large on-premises systems.
Nonlinear feedforward in deterministic and probabilistic teleportation reduces noise and improves nonlinear squeezing transfer for non-Gaussian states in small CV cluster states.
citing papers explorer
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Cavity-Enhanced Collective Quantum Processing with Polarization-Encoded Qubits
A cavity-enhanced system encodes qubits in polarization of intracavity modes and uses polarization-selective nonlinearities to implement universal gates, with scaling analysis indicating feasible conditional phases in small cavities using accessible materials.
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Hybridization of pulse and continuous-wave based optical quantum computation
Hybrid pulsed-CW architecture for optical quantum computation with experimental proof-of-principle of ultrafast homodyne detection on pulsed single-photon states yielding W(0,0) = -0.153.
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Beyond Stellar Rank: Control Parameters for Scalable Optical Non-Gaussian State Generation
Introduces non-Gaussian control parameters (s0, δ0) and an optimization method that reduces photon detections by a factor of three and increases preparation probability by nearly 10^8 for GKP states, with gains shown across cat, cubic phase, and random states.
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What quantum computer to buy?
Most institutions should start with the smallest quantum capability layer that delivers repeatable near-term value and builds expertise rather than acquiring large on-premises systems.
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Non-Gaussian state teleportation with a nonlinear feedforward
Nonlinear feedforward in deterministic and probabilistic teleportation reduces noise and improves nonlinear squeezing transfer for non-Gaussian states in small CV cluster states.