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Conferences > QELS > 2000 > QThJ > QThJ4
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 2000),
  • paper QThJ4

Free-space daylight single-photon communications over 1.6 km

W.T. Buttler, R.J. Hughes, S.K. Lamoreaux, G.L. Morgan, J.E. Nordholt, and C.G. Peterson

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Abstract

The QKD transmitter, Alice (Fig. 1), consists of three diode lasers (a timing laser and two data lasers: one data laser transmits vertical polarized photons, |v〉 while the other transmits 45 degree polarized photons, |45〉〉, two matching interference filters (IFs), two optical attenuators, two linear polarizers, two nonpolarizing beamsplitters (BSs), a 27× beam expander, and a single-photon detector (SPD).

© 2000 Optical Society of America

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