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1.5-µm Narrow-band Two-photon Source for Long-distance Quantum Communication

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Abstract

We demonstrate a narrow-band telecom two-photon source for long-distance quantum communication. The second-order cross-correlation function reveals narrow linewidth of 2.4 MHz and the highest spectral brightness of 3.94×105 pairs/(s·MHz·mW).

© 2018 The Author(s)

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