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Continuous-Variable Quantum Computing in Optical Time-Frequency Modes using Quantum Memories
- Source :
- Phys. Rev. Lett. 113, 130502 (2014)
- Publication Year :
- 2014
-
Abstract
- 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.<br />Comment: 5 pages, 6 figures, and supplementary information. Updated to be consistent with published version
- Subjects :
- Quantum Physics
Subjects
Details
- Database :
- arXiv
- Journal :
- Phys. Rev. Lett. 113, 130502 (2014)
- Publication Type :
- Report
- Accession number :
- edsarx.1405.5361
- Document Type :
- Working Paper
- Full Text :
- https://doi.org/10.1103/PhysRevLett.113.130502