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Photonic Quantum Computing

Narrowband Photon Pair Source for Quantum Networks

arXiv
Authors: F. Monteiro, A. Martin, B. Sanguinetti, H. Zbinden, R. T. Thew

Year

2013

Paper ID

31438

Status

Preprint

Abstract Read

~2 min

Abstract Words

107

Citations

N/A

Abstract

We demonstrate a compact photon pair source based on a periodically poled lithium niobate nonlinear crystal in a cavity. The cavity parameters are chosen such that the emitted photon pair modes can be matched in the region of telecom ultra dense wavelength division multiplexing (U-DWDM) channel spacings. This approach provides efficient, low-loss, mode selection that is compatible with standard telecommunication networks. Photons with a coherence time of 8.6 ns (116 MHz) are produced and their purity is demonstrated. A source brightness of 134 pairs(s.mW.MHz)-1 is reported. The high level of purity and compatibility with standard telecom networks is of great importance for complex quantum communication networks.

Why This Paper Matters

  • This paper contributes to the Photonic Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2013 reference point for readers tracking recent quantum research.
  • We demonstrate a compact photon pair source based on a periodically poled lithium niobate nonlinear crystal in a cavity.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1312.3832 [2] arXiv https://arxiv.org/abs/1312.3832 [3] Publisher https://arxiv.org/abs/1312.3832

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