Measurement-Based Linear Optics

Abstract

A major challenge in optical quantum processing is implementing large, stable interferometers. Here we propose a virtual, measurement-based interferometer that is programmed on the fly solely by the choice of homodyne measurement angles. The effects of finite squeezing are captured as uniform amplitude damping. We compare our proposal to existing (physical) interferometers and consider its performance for BosonSampling, which could demonstrate post-classical computational power in the near future. We prove its efficiency in time and squeezing (energy) in this setting.

arXiv comment(v2) consistent with published version; (v1) 6 pages, 5 figures

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Cited by in corpus (13)

• Continuous-variable gate teleportation and bosonic-code error correction
• Quantum-Computing Architecture based on Large-Scale Multi-Dimensional Continuous-Variable Cluster States in a Scalable Photonic Platform
• Robust fault tolerance for continuous-variable cluster states with excess anti-squeezing
• ON states as resource units for universal quantum computation with photonic architectures
• Architecture and noise analysis of continuous-variable quantum gates using two-dimensional cluster states
• Fiber coupled EPR-state generation using a single temporally multiplexed squeezed light source
• Implementing quantum algorithms on temporal photonic cluster states
• Streamlined quantum computing with macronode cluster states
• Correcting finite squeezing errors in continuous-variable cluster states
• Hidden qubit cluster states
• Beating the Classical Limits of Information Transmission using a Quantum Decoder
• Analysis of loss correction with the Gottesman-Kitaev-Preskill code
• A complete continuous-variable quantum computation architecture based on the 2D spatiotemporal cluster state