Current status of the DARPA quantum network

Chip Elliott; Alexander Colvin; David Pearson; Oleksiy Pikalo; John Schlafer; Henry Yeh

doi:10.1117/12.606489

25 May 2005 Current status of the DARPA quantum network (Invited Paper)

Chip Elliott, Alexander Colvin, David Pearson, Oleksiy Pikalo, John Schlafer, Henry Yeh

Proceedings Volume 5815, Quantum Information and Computation III; (2005) https://doi.org/10.1117/12.606489
Event: Defense and Security, 2005, Orlando, Florida, United States

Abstract

This paper reports the current status of the DARPA Quantum Network, which became fully operational in BBN's laboratory in October 2003, and has been continuously running in 6 nodes operating through telecommunications fiber between Harvard University, Boston University, and BBN since June 2004. The DARPA Quantum Network is the world's first quantum cryptography network, and perhaps also the first QKD systems providing continuous operation across a metropolitan area. Four more nodes are now being added to bring the total to 10 QKD nodes. This network supports a variety of QKD technologies, including phase-modulated lasers through fiber, entanglement through fiber, and freespace QKD. We provide a basic introduction and rational for this network, discuss the February 2005 status of the various QKD hardware suites and software systems in the network, and describe our operational experience with the DARPA Quantum Network to date. We conclude with a discussion of our ongoing work.

Citation Download Citation

Chip Elliott, Alexander Colvin, David Pearson, Oleksiy Pikalo, John Schlafer, and Henry Yeh "Current status of the DARPA quantum network (Invited Paper)", Proc. SPIE 5815, Quantum Information and Computation III, (25 May 2005); https://doi.org/10.1117/12.606489

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