Abstract

We demonstrate the spreading of femtosecond optical pulses into picosecond-duration pseudonoise bursts. Spreading is accomplished by encoding pseudorandom binary phase codes onto the optical frequency spectrum. Subsequent decoding of the spectral phases restores the original pulse. We propose that frequency-domain encoding and decoding of coherent ultrashort pulses could form the basis for a rapidly reconfigurable, code-division multiple-access optical telecommunications network.

© 1988 Optical Society of America

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  1. J. P. Heritage, A. M. Weiner, R. N. Thurston, Opt Lett. 10, 609 (1985).
    [CrossRef] [PubMed]
  2. A. M. Weiner, J. P. Heritage, R. N. Thurston, Opt. Lett. 11, 153(1986).
    [CrossRef] [PubMed]
  3. R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
    [CrossRef]
  4. R. Skaug, J. F. Hjelmstad, Spread Spectrum in Communications (Peregrinus, London, 1985).
    [CrossRef]
  5. J. A. Valdmanis, R. L. Fork, J. P. Gordon, Opt. Lett. 10, 131 (1985).
    [CrossRef] [PubMed]
  6. C. Froehly, B. Colombeau, M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 115–121.
  7. O. E. Martinez, IEEE J. Quantum Electron. QE-23, 59 (1987).
    [CrossRef]
  8. A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. (December1987), p. 1619.
    [CrossRef]
  9. J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
    [CrossRef]
  10. E. P. Ippen, C. V. Shank, in Ultrashort Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977), pp. 85–88.
  11. P. R. Prucnal, M. A. Santoro, T. R. Fan, IEEE J. Lightwave Technol. LT-4, 547 (1986).
    [CrossRef]
  12. J. A. Salehi, C. A. Brackett, “Fundamental principles of fiber optics code-division multiple-access” presented at the IEEE International Conference on Communications, Seattle, Wash., June 1987.

1987 (2)

O. E. Martinez, IEEE J. Quantum Electron. QE-23, 59 (1987).
[CrossRef]

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. (December1987), p. 1619.
[CrossRef]

1986 (3)

A. M. Weiner, J. P. Heritage, R. N. Thurston, Opt. Lett. 11, 153(1986).
[CrossRef] [PubMed]

R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
[CrossRef]

P. R. Prucnal, M. A. Santoro, T. R. Fan, IEEE J. Lightwave Technol. LT-4, 547 (1986).
[CrossRef]

1985 (3)

J. P. Heritage, A. M. Weiner, R. N. Thurston, Opt Lett. 10, 609 (1985).
[CrossRef] [PubMed]

J. A. Valdmanis, R. L. Fork, J. P. Gordon, Opt. Lett. 10, 131 (1985).
[CrossRef] [PubMed]

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

Brackett, C. A.

J. A. Salehi, C. A. Brackett, “Fundamental principles of fiber optics code-division multiple-access” presented at the IEEE International Conference on Communications, Seattle, Wash., June 1987.

Colombeau, B.

C. Froehly, B. Colombeau, M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 115–121.

Fan, T. R.

P. R. Prucnal, M. A. Santoro, T. R. Fan, IEEE J. Lightwave Technol. LT-4, 547 (1986).
[CrossRef]

Fork, R. L.

Froehly, C.

C. Froehly, B. Colombeau, M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 115–121.

Gordon, J. P.

Heritage, J. P.

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. (December1987), p. 1619.
[CrossRef]

A. M. Weiner, J. P. Heritage, R. N. Thurston, Opt. Lett. 11, 153(1986).
[CrossRef] [PubMed]

R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
[CrossRef]

J. P. Heritage, A. M. Weiner, R. N. Thurston, Opt Lett. 10, 609 (1985).
[CrossRef] [PubMed]

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

Hjelmstad, J. F.

R. Skaug, J. F. Hjelmstad, Spread Spectrum in Communications (Peregrinus, London, 1985).
[CrossRef]

Ippen, E. P.

E. P. Ippen, C. V. Shank, in Ultrashort Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977), pp. 85–88.

Martinez, O. E.

O. E. Martinez, IEEE J. Quantum Electron. QE-23, 59 (1987).
[CrossRef]

Prucnal, P. R.

P. R. Prucnal, M. A. Santoro, T. R. Fan, IEEE J. Lightwave Technol. LT-4, 547 (1986).
[CrossRef]

Salehi, J. A.

J. A. Salehi, C. A. Brackett, “Fundamental principles of fiber optics code-division multiple-access” presented at the IEEE International Conference on Communications, Seattle, Wash., June 1987.

Santoro, M. A.

P. R. Prucnal, M. A. Santoro, T. R. Fan, IEEE J. Lightwave Technol. LT-4, 547 (1986).
[CrossRef]

Shank, C. V.

E. P. Ippen, C. V. Shank, in Ultrashort Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977), pp. 85–88.

Skaug, R.

R. Skaug, J. F. Hjelmstad, Spread Spectrum in Communications (Peregrinus, London, 1985).
[CrossRef]

Stolen, R. H.

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

Thurston, R. N.

R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
[CrossRef]

A. M. Weiner, J. P. Heritage, R. N. Thurston, Opt. Lett. 11, 153(1986).
[CrossRef] [PubMed]

J. P. Heritage, A. M. Weiner, R. N. Thurston, Opt Lett. 10, 609 (1985).
[CrossRef] [PubMed]

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

Tomlinson, W. J.

R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
[CrossRef]

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

Valdmanis, J. A.

Vampouille, M.

C. Froehly, B. Colombeau, M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 115–121.

Weiner, A. M.

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. (December1987), p. 1619.
[CrossRef]

A. M. Weiner, J. P. Heritage, R. N. Thurston, Opt. Lett. 11, 153(1986).
[CrossRef] [PubMed]

R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
[CrossRef]

J. P. Heritage, A. M. Weiner, R. N. Thurston, Opt Lett. 10, 609 (1985).
[CrossRef] [PubMed]

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

Appl. Phys. Lett. (1)

J. P. Heritage, R. N. Thurston, W. J. Tomlinson, A. M. Weiner, R. H. Stolen, Appl. Phys. Lett. 47, 87 (1985).
[CrossRef]

IEEE J. Lightwave Technol. (1)

P. R. Prucnal, M. A. Santoro, T. R. Fan, IEEE J. Lightwave Technol. LT-4, 547 (1986).
[CrossRef]

IEEE J. Quantum Electron. (2)

R. N. Thurston, J. P. Heritage, A. M. Weiner, W. J. Tomlinson, IEEE J. Quantum Electron. QE-22, 682 (1986).
[CrossRef]

O. E. Martinez, IEEE J. Quantum Electron. QE-23, 59 (1987).
[CrossRef]

Opt Lett. (1)

J. P. Heritage, A. M. Weiner, R. N. Thurston, Opt Lett. 10, 609 (1985).
[CrossRef] [PubMed]

Opt. Lett. (2)

Rev. Phys. Appl. (1)

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. (December1987), p. 1619.
[CrossRef]

Other (4)

C. Froehly, B. Colombeau, M. Vampouille, in Progress in Optics, E. Wolf, ed. (North-Holland, Amsterdam, 1983), pp. 115–121.

R. Skaug, J. F. Hjelmstad, Spread Spectrum in Communications (Peregrinus, London, 1985).
[CrossRef]

J. A. Salehi, C. A. Brackett, “Fundamental principles of fiber optics code-division multiple-access” presented at the IEEE International Conference on Communications, Seattle, Wash., June 1987.

E. P. Ippen, C. V. Shank, in Ultrashort Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977), pp. 85–88.

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Figures (5)

Fig. 1
Fig. 1

Autocorrelation traces of 48-fsec pulses from the CPM laser, measured before (solid line) and after (dotted–dashed line) the grating apparatus. With no mask present, the pulse widths are identical.

Fig. 2
Fig. 2

Frequency-domain phase coding of femtosecond pulses. (A) Cross-correlation measurement of the coded waveform. The inset shows the 44-element phase code; the individual phases are either zero or π. (B) Calculated intensity profile.

Fig. 3
Fig. 3

Autocorrelation measurements of uncoded, coded, and decoded pulses. (A) Uncoded and coded pulses. (B) Successfully and unsuccessfully decoded pulses.

Fig. 4
Fig. 4

Autocorrelation of 127-element M-sequence code.

Fig. 5
Fig. 5

Proposed ultrashort pulse, CDMA communications network.

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