Continuous-Variable Quantum Computing in Optical Time-Frequency Modes using Quantum Memories

Peter C. Humphreys · W. Steven Kolthammer · Joshua Nunn · Marco Barbieri · Animesh Datta · Ian A. Walmsley · 2014 · Physical Review Letters 113, 130502

| 编号 QCV031 | 主题 连续变量与玻色子算术 | 链接 arXiv:1405.5361 |

摘要

摘要保留原文（英文）

摘要取自 arXiv / 出版方元数据，未作翻译，以保证与原文一致。

We develop a scheme for time-frequency encoded continuous-variable cluster-state quantum computing using quantum memories. In particular, we propose a method to produce, manipulate and measure 2D cluster states in a single spatial mode by exploiting the intrinsic time-frequency selectivity of Raman quantum memories. Time-frequency encoding enables the scheme to be extremely compact, requiring a number of memories that is a linear function of only the number of different frequencies in which the computational state is encoded, independent of its temporal duration. We therefore show that quantum memories can be a powerful component for scalable photonic quantum information processing architectures.

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