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Photonic Quantum Computers

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arxiv 2409.08229 v1 pith:2AJZKTBX submitted 2024-09-12 quant-ph cs.AIcs.AR

classification quant-phcs.AIcs.AR
keywords quantumphotoniccomputerscomputingfault-tolerantleadingadvancementsadvantages
verification ladder T0 review T1 audit T2 compute T3 formal
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In the pursuit of scalable and fault-tolerant quantum computing architectures, photonic-based quantum computers have emerged as a leading frontier. This article provides a comprehensive overview of advancements in photonic quantum computing, developed by leading industry players, examining current performance, architectural designs, and strategies for developing large-scale, fault-tolerant photonic quantum computers. It also highlights recent groundbreaking experiments that leverage the unique advantages of photonic technologies, underscoring their transformative potential. This review captures a pivotal moment of photonic quantum computing in the noisy intermediate-scale quantum (NISQ) era, offering insights into how photonic quantum computers might reshape the future of quantum computing.

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Cited by 6 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Quantum Computing in Discrete- and Continuous-Variable Architectures

    quant-ph 2025-07 conditional novelty 6.0 of 10

    The thesis introduces Gaussian-controlled rotations (GCR), a composite pulse that cancels oscillator-fluctuation errors in qubit rotations, enabling deterministic preparation of squeezed, cat, and GKP states and a pro...

  2. Distributed quantum computing with black-box subroutines

    quant-ph 2025-05 conditional novelty 5.0 of 10

    The authors introduce oblivious quantum teleportation and control protocols that let distributed quantum computers execute and combine unknown subroutines as black boxes.

  3. Invariants in Linear Optics

    quant-ph 2025-09 conditional novelty 4.0 of 10

    For fixed n and m, two n-photon states over m modes are equivalent under linear optics exactly when they agree on all members of a finite set of polynomial invariants.

  4. Networked Quantum Services

    quant-ph 2025-05 conditional novelty 4.0 of 10

    A survey of networked quantum services, from distributed quantum computers and cloud platforms to programming languages and standardization efforts.

  5. A Hardware-Efficient M{\o}lmer-S{\o}rensen Gate for Superconducting Quantum Computers

    quant-ph 2025-10 conditional novelty 3.0 of 10

    An MS gate compiled to one CNOT plus single-qubit rotations achieves 92.47% process fidelity on an IBM superconducting processor, roughly matching the native CX's 93.02%.

  6. Practical Fidelity Limits of Toffoli Gates in Superconducting Quantum Processors

    quant-ph 2025-09 reject novelty 3.0 of 10

    Benchmarking a decomposed Toffoli gate on IBM quantum hardware yields 56-64% state fidelities, but the claimed state-dependent error pattern is confounded by using different devices.

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