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Optical Engineering

Accelerating commutation circuits in quantum computer networks
Author(s): Jiang Min; Huang Xu; Xiaoping Chen; Zeng-ke Zhang
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Paper Abstract

In a high speed and packet-switched quantum computer network, a packet routing delay often leads to traffic jams, becoming a severe bottleneck for speeding up the transmission rate. Based on the delayed commutation circuit proposed in Phys. Rev. Lett. 97, 110502 (2006), we present an improved scheme for accelerating network transmission. For two more realistic scenarios, we utilize the characteristic of a quantum state to simultaneously implement a data switch and transmission that makes it possible to reduce the packet delay and route a qubit packet even before its address is determined. This circuit is further extended to the quantum network for the transmission of the unknown quantum information. The analysis demonstrates that quantum communication technology can considerably reduce the processing delay time and build faster and more efficient packet-switched networks.

Paper Details

Date Published: 3 December 2012
PDF: 8 pages
Opt. Eng. 51(12) 125201 doi: 10.1117/1.OE.51.12.125201
Published in: Optical Engineering Volume 51, Issue 12
Show Author Affiliations
Jiang Min, Soochow Univ. (China)
Huang Xu, Soochow Univ. (China)
Xiaoping Chen, Soochow Univ. (China)
Zeng-ke Zhang, Tsinghua Univ. (China)

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