Distributed Quantum Computation Architecture Using Semiconductor Nanophotonics

Abstract

In a large-scale quantum computer, the cost of communications will dominate the performance and resource requirements, place many severe demands on the technology, and constrain the architecture. Unfortunately, fault-tolerant computers based entirely on photons with probabilistic gates, though equipped with "built-in" communication, have very large resource overheads; likewise, computers with reliable probabilistic gates between photons or quantum memories may lack sufficient communication resources in the presence of realistic optical losses. Here, we consider a compromise architecture, in which semiconductor spin qubits are coupled by bright laser pulses through nanophotonic waveguides and cavities using a combination of frequent probabilistic and sparse determinstic entanglement mechanisms. The large photonic resource requirements incurred by the use of probabilistic gates for quantum communication are mitigated in part by the potential high-speed operation of the semiconductor nanophotonic hardware. The system employs topological cluster-state quantum error correction for achieving fault-tolerance. Our results suggest that such an architecture/technology combination has the potential to scale to a system capable of attacking classically intractable computational problems.

29 pages, 7 figures; v2: heavily revised figures improve architecture presentation, additional detail on physical parameters, a few new references

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Cited by in corpus (46)

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• Quantum computing with nearest neighbor interactions and error rates over 1%
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• Layered architecture for quantum computing
• Local and Distributed Quantum Computation
• Path Selection for Quantum Repeater Networks
• Simulating chemistry efficiently on fault-tolerant quantum computers
• Fault-tolerant thresholds for quantum error correction with the surface code
• Spin-photon interface and spin-controlled photon switching in a nanobeam waveguide
• Automated distribution of quantum circuits via hypergraph partitioning
• Requirements for fault-tolerant factoring on an atom-optics quantum computer
• Optimized Quantum Circuit Partitioning
• A Photonic Implementation for the Topological Cluster State Quantum Computer
• Optimized Surface Code Communication in Superconducting Quantum Computers
• Recursive quantum repeater networks
• Overhead analysis of universal concatenated quantum codes
• Reducing the quantum computing overhead with complex gate distillation
• Surface Code Error Correction on a Defective Lattice
• Distributing circuits over heterogeneous, modular quantum computing network architectures
• Quantum picturalism for topological cluster-state computing
• Distributed quantum error correction for chip-level catastrophic errors
• Fault-tolerant Operations for Universal Blind Quantum Computation
• Quantum Computation with Topological Codes: from qubit to topological fault-tolerance
• A Spin-Optical Quantum Computing Architecture
• Simulating the Transverse Ising Model on a Quantum Computer: Error Correction with the Surface Code
• Thresholds for the distributed surface code in the presence of memory decoherence
• Efficient Construction of a Control Modular Adder on a Carry-Lookahead Adder Using Relative-phase Toffoli Gates
• Logic Synthesis for Fault-Tolerant Quantum Computers
• Interoperability in encoded quantum repeater networks
• Optimizing Teleportation Cost in Distributed Quantum Circuits
• Concurrent spin squeezing and light squeezing in an atomic ensemble
• Synthesis of Topological Quantum Circuits
• Continuous variable quantum teleportation in a dissipative environment: Comparison of non-Gaussian operations before and after noisy channel
• Integrated Analysis of Performance and Resource of Large-Scale Quantum Computing
• Entanglement between Lowly and Highly Lying Atomic Spin Waves
• Optically Loaded Semiconductor Quantum Memory Register
• Integration of highly probabilistic sources into optical quantum architectures: perpetual quantum computation
• Modular Architectures and Entanglement Schemes for Error-Corrected Distributed Quantum Computation
• Resource optimization for fault-tolerant quantum computing
• Quantum Computing's Classical Problem, Classical Computing's Quantum Problem
• An Evolutionary Approach to Optimizing Communication Cost in Distributed Quantum Computation
• Efficient fiber-optical interface for nanophotonic devices
• Classical Control of Large-Scale Quantum Computers
• Quantum information and statistical mechanics: an introduction to frontier