Abstract

The range of quantum cryptography systems using optical fibers is limited to roughly 30 km because amplifiers cannot be used. A fully operational system for quantum cryptography based on the transmission of single photons in free space under daylight conditions has been demonstrated. The feasibility of a global system for quantum cryptography based on a network of ground stations and satellites is discussed.

© 1996 Optical Society of America

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References

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  1. C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
    [CrossRef]
  2. J. D. Franson, Opt. Photon. News 6(3), 30 (1995).
    [CrossRef]
  3. J. D. Franson, H. Ilves, Appl. Opt. 33, 2949 (1994).
    [CrossRef] [PubMed]
  4. J. D. Franson, B. C. Jacobs, Electron. Lett. 31, 232 (1995).
    [CrossRef]
  5. P. D. Townsend, J. G. Rarity, P. R. Tapster, Electron. Lett. 29, 1291 (1993).
    [CrossRef]
  6. R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
    [CrossRef]
  7. A. Muller, H. Zbinden, N. Gisin, Europhys. Lett. 33, 335 (1996).
    [CrossRef]
  8. C. Marand, P. D. Townsend, Opt. Lett. 20, 1695 (1995).
    [CrossRef] [PubMed]
  9. C. H. Bennett, G. Brassard, J. Roberts, SIAM J. Comput. 17, 210 (1988).
    [CrossRef]
  10. D. Deutsch, Proc. R. Soc. London Ser. A 400, 97 (1985).
    [CrossRef]
  11. R. P. Feynman, Found. Phys. 16, 507 (1986).
    [CrossRef]

1996 (1)

A. Muller, H. Zbinden, N. Gisin, Europhys. Lett. 33, 335 (1996).
[CrossRef]

1995 (4)

J. D. Franson, B. C. Jacobs, Electron. Lett. 31, 232 (1995).
[CrossRef]

J. D. Franson, Opt. Photon. News 6(3), 30 (1995).
[CrossRef]

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

C. Marand, P. D. Townsend, Opt. Lett. 20, 1695 (1995).
[CrossRef] [PubMed]

1994 (1)

1993 (1)

P. D. Townsend, J. G. Rarity, P. R. Tapster, Electron. Lett. 29, 1291 (1993).
[CrossRef]

1992 (1)

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

1988 (1)

C. H. Bennett, G. Brassard, J. Roberts, SIAM J. Comput. 17, 210 (1988).
[CrossRef]

1986 (1)

R. P. Feynman, Found. Phys. 16, 507 (1986).
[CrossRef]

1985 (1)

D. Deutsch, Proc. R. Soc. London Ser. A 400, 97 (1985).
[CrossRef]

Alde, D. M.

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Bennett, C. H.

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

C. H. Bennett, G. Brassard, J. Roberts, SIAM J. Comput. 17, 210 (1988).
[CrossRef]

Bessette, F.

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

Brassard, G.

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

C. H. Bennett, G. Brassard, J. Roberts, SIAM J. Comput. 17, 210 (1988).
[CrossRef]

Deutsch, D.

D. Deutsch, Proc. R. Soc. London Ser. A 400, 97 (1985).
[CrossRef]

Dyer, P.

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Feynman, R. P.

R. P. Feynman, Found. Phys. 16, 507 (1986).
[CrossRef]

Franson, J. D.

J. D. Franson, Opt. Photon. News 6(3), 30 (1995).
[CrossRef]

J. D. Franson, B. C. Jacobs, Electron. Lett. 31, 232 (1995).
[CrossRef]

J. D. Franson, H. Ilves, Appl. Opt. 33, 2949 (1994).
[CrossRef] [PubMed]

Gisin, N.

A. Muller, H. Zbinden, N. Gisin, Europhys. Lett. 33, 335 (1996).
[CrossRef]

Hughes, R. J.

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Ilves, H.

Jacobs, B. C.

J. D. Franson, B. C. Jacobs, Electron. Lett. 31, 232 (1995).
[CrossRef]

Luther, G. G.

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Marand, C.

Morgan, G. L.

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Muller, A.

A. Muller, H. Zbinden, N. Gisin, Europhys. Lett. 33, 335 (1996).
[CrossRef]

Rarity, J. G.

P. D. Townsend, J. G. Rarity, P. R. Tapster, Electron. Lett. 29, 1291 (1993).
[CrossRef]

Roberts, J.

C. H. Bennett, G. Brassard, J. Roberts, SIAM J. Comput. 17, 210 (1988).
[CrossRef]

Salvail, L.

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

Schauer, M.

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Smolin, J.

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

Tapster, P. R.

P. D. Townsend, J. G. Rarity, P. R. Tapster, Electron. Lett. 29, 1291 (1993).
[CrossRef]

Townsend, P. D.

C. Marand, P. D. Townsend, Opt. Lett. 20, 1695 (1995).
[CrossRef] [PubMed]

P. D. Townsend, J. G. Rarity, P. R. Tapster, Electron. Lett. 29, 1291 (1993).
[CrossRef]

Zbinden, H.

A. Muller, H. Zbinden, N. Gisin, Europhys. Lett. 33, 335 (1996).
[CrossRef]

Appl. Opt. (1)

Contemp. Phys. (1)

R. J. Hughes, D. M. Alde, P. Dyer, G. G. Luther, G. L. Morgan, M. Schauer, Contemp. Phys. 36, 149 (1995).
[CrossRef]

Electron. Lett. (2)

J. D. Franson, B. C. Jacobs, Electron. Lett. 31, 232 (1995).
[CrossRef]

P. D. Townsend, J. G. Rarity, P. R. Tapster, Electron. Lett. 29, 1291 (1993).
[CrossRef]

Europhys. Lett. (1)

A. Muller, H. Zbinden, N. Gisin, Europhys. Lett. 33, 335 (1996).
[CrossRef]

Found. Phys. (1)

R. P. Feynman, Found. Phys. 16, 507 (1986).
[CrossRef]

J. Cryptology (1)

C. H. Bennett, F. Bessette, G. Brassard, L. Salvail, J. Smolin, J. Cryptology 5, 3 (1992).
[CrossRef]

Opt. Lett. (1)

Opt. Photon. News (1)

J. D. Franson, Opt. Photon. News 6(3), 30 (1995).
[CrossRef]

Proc. R. Soc. London Ser. A (1)

D. Deutsch, Proc. R. Soc. London Ser. A 400, 97 (1985).
[CrossRef]

SIAM J. Comput. (1)

C. H. Bennett, G. Brassard, J. Roberts, SIAM J. Comput. 17, 210 (1988).
[CrossRef]

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Figures (2)

Fig. 1
Fig. 1

Measurement of the linear polarization of a single photon in two different coordinate frames.

Fig. 2
Fig. 2

Simplified diagram of the prototype system for free-space quantum cryptography.

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