Abstract

Optical 30-symbol quadriphase-shift keyed (QPSK) and binary-phase-shift keyed (BPSK) codes were processed in a spatial-spectral holographic correlator with the Er3+:Y2SiO5 spectral hole-burning material operating at 1536 nm in the important 1550-nm communications band. The results demonstrate the ability of spatial-spectral holographic correlators to process QPSK codes and BPSK codes with the same apparatus. The high-fidelity correlations produced by this optical coherent transient device exhibit the low sidelobe characteristics expected for the codes used.

© 2000 Optical Society of America

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References

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1998 (2)

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

T. L. Harris, Y. Sun, R. L. Cone, R. M. Macfarlane, and R. W. Equall, Opt. Lett. 23, 636 (1998).
[CrossRef]

1997 (2)

1995 (2)

1983 (1)

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

1982 (1)

Anijdg, A.

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

Babbitt, W. R.

W. R. Babbitt, A. Mohan, and J. A. Ritcey, Proc. SPIE 3228, 354 (1997).
[CrossRef]

Cone, R. L.

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

T. L. Harris, Y. Sun, R. L. Cone, R. M. Macfarlane, and R. W. Equall, Opt. Lett. 23, 636 (1998).
[CrossRef]

R. M. Macfarlane, T. L. Harris, Y. Sun, R. L. Cone, and R. W. Equall, Opt. Lett. 22, 871 (1997).
[CrossRef] [PubMed]

Equall, R. W.

T. L. Harris, Y. Sun, R. L. Cone, R. M. Macfarlane, and R. W. Equall, Opt. Lett. 23, 636 (1998).
[CrossRef]

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

R. M. Macfarlane, T. L. Harris, Y. Sun, R. L. Cone, and R. W. Equall, Opt. Lett. 22, 871 (1997).
[CrossRef] [PubMed]

Harris, T. L.

T. L. Harris, Y. Sun, R. L. Cone, R. M. Macfarlane, and R. W. Equall, Opt. Lett. 23, 636 (1998).
[CrossRef]

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

R. M. Macfarlane, T. L. Harris, Y. Sun, R. L. Cone, and R. W. Equall, Opt. Lett. 22, 871 (1997).
[CrossRef] [PubMed]

Kaarli, R.

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

Kachru, R.

Lin, H.

Macfarlane, R. M.

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

T. L. Harris, Y. Sun, R. L. Cone, R. M. Macfarlane, and R. W. Equall, Opt. Lett. 23, 636 (1998).
[CrossRef]

R. M. Macfarlane, T. L. Harris, Y. Sun, R. L. Cone, and R. W. Equall, Opt. Lett. 22, 871 (1997).
[CrossRef] [PubMed]

Merkel, K. D.

K. D. Merkel, “An optical coherent transient true-time delay device,” Ph.D. dissertation (University of Washington, Seattle, Wash., 1998).

Mohan, A.

W. R. Babbitt, A. Mohan, and J. A. Ritcey, Proc. SPIE 3228, 354 (1997).
[CrossRef]

Mossberg, T. W.

Proakis, J.

J. Proakis, Digital Communications (Wiley-Interscience, New York, 1995).

Rebane, A.

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

Ritcey, J. A.

W. R. Babbitt, A. Mohan, and J. A. Ritcey, Proc. SPIE 3228, 354 (1997).
[CrossRef]

Saari, P.

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

Shen, X. A.

Sun, Y.

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

T. L. Harris, Y. Sun, R. L. Cone, R. M. Macfarlane, and R. W. Equall, Opt. Lett. 23, 636 (1998).
[CrossRef]

R. M. Macfarlane, T. L. Harris, Y. Sun, R. L. Cone, and R. W. Equall, Opt. Lett. 22, 871 (1997).
[CrossRef] [PubMed]

Timpmann, K.

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

Wang, T.

Bull. Am. Phys. Soc. (1)

Y. Sun, T. L. Harris, R. L. Cone, R. M. Macfarlane, and R. W. Equall, “Photon echo study of optical dephasing in Er3+-doped oxide crystals at 1.5 µm,” Bull. Am. Phys. Soc. 43, 526 (1998); submitted to Phys. Rev. B.

Opt. Commun. (1)

A. Rebane, R. Kaarli, P. Saari, A. Anijdg, and K. Timpmann, Opt. Commun. 47, 173 (1983); P. Saari, R. Kaarli, and A. Rebane, J. Opt. Soc. Am. B 3, 527 (1986).
[CrossRef]

Opt. Lett. (5)

Proc. SPIE (1)

W. R. Babbitt, A. Mohan, and J. A. Ritcey, Proc. SPIE 3228, 354 (1997).
[CrossRef]

Other (3)

J. Proakis, Digital Communications (Wiley-Interscience, New York, 1995).

J. D. Gibson, ed., The Communications Handbook (CRC, Boca Raton, Fla., 1997).

K. D. Merkel, “An optical coherent transient true-time delay device,” Ph.D. dissertation (University of Washington, Seattle, Wash., 1998).

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Figures (3)

Fig. 1
Fig. 1

Single-shot autocorrelation echo for QPSK code A. There is spectacular contrast between the sharp central lobe and the low sidelobes, which are at the level of the photodiode noise floor.

Fig. 2
Fig. 2

QPSK correlation results. Top and bottom traces in each graph are experiment and simulation, respectively. Simulation has negative offset in all cases to allow for distinction between traces, and identical scales have been chosen for sidelobe comparison. (a), (b) Autocorrelations for QPSK codes A and B, respectively; (c), (d) cross correlations between QPSK codes.

Fig. 3
Fig. 3

BPSK correlation results: (a), (b) for autocorrelations; (c), (d) for cross correlations, as in Fig. 2.

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