Abstract

The observation of the nonlinear interaction of two visible picosecond pulses, separated by a small time interval, while propagating in an optical fiber is reported. It is found that as propagation proceeds, a region of pulse collision develops in which intensity oscillations form that are similar to those recently observed in optical wave breaking. The frequency of these oscillations increases for an increasing time separation between the input pulses and is found to be as large as 5 THz. For small time intervals between the input pulses no oscillations formed. This observed behavior is found to agree well with numerical integrations of the nonlinear Schrödinger equation.

© 1990 Optical Society of America

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    [CrossRef] [PubMed]
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    [CrossRef]
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1989 (2)

J. E. Rothenberg, D. Grischkowsky, Phys. Rev. Lett. 62, 531 (1989).
[CrossRef] [PubMed]

S. Sudo, H. Itoh, K. Okamato, K. Kubodera, Appl. Phys. Lett. 54, 993 (1989).
[CrossRef]

1988 (2)

A. M. Weiner, J. P. Heritage, E. M. Kirschner, J. Opt. Soc. Am. B 5, 1563 (1988).
[CrossRef]

D. Krökel, N. J. Halas, G. Giuliani, D. Grischkowsky, Phys. Rev. Lett. 60, 29 (1988).
[CrossRef] [PubMed]

1987 (1)

1986 (1)

K. Tai, A. Tomita, J. L. Jewell, Appl. Phys. Lett. 49, 236 (1986).
[CrossRef]

1985 (1)

1984 (1)

1982 (1)

D. Grischkowsky, A. C. Balant, Appl. Phys. Lett. 41, 1 (1982).
[CrossRef]

1981 (1)

H. Nakatsuka, D. Grischkowsky, A. C. Balant, Phys. Rev. Lett. 47, 910 (1981).
[CrossRef]

Balant, A. C.

D. Grischkowsky, A. C. Balant, Appl. Phys. Lett. 41, 1 (1982).
[CrossRef]

H. Nakatsuka, D. Grischkowsky, A. C. Balant, Phys. Rev. Lett. 47, 910 (1981).
[CrossRef]

Giuliani, G.

D. Krökel, N. J. Halas, G. Giuliani, D. Grischkowsky, Phys. Rev. Lett. 60, 29 (1988).
[CrossRef] [PubMed]

Grischkowsky, D.

J. E. Rothenberg, D. Grischkowsky, Phys. Rev. Lett. 62, 531 (1989).
[CrossRef] [PubMed]

D. Krökel, N. J. Halas, G. Giuliani, D. Grischkowsky, Phys. Rev. Lett. 60, 29 (1988).
[CrossRef] [PubMed]

J. E. Rothenberg, D. Grischkowsky, Opt. Lett. 12, 99 (1987).
[CrossRef] [PubMed]

D. Grischkowsky, A. C. Balant, Appl. Phys. Lett. 41, 1 (1982).
[CrossRef]

H. Nakatsuka, D. Grischkowsky, A. C. Balant, Phys. Rev. Lett. 47, 910 (1981).
[CrossRef]

Halas, N. J.

D. Krökel, N. J. Halas, G. Giuliani, D. Grischkowsky, Phys. Rev. Lett. 60, 29 (1988).
[CrossRef] [PubMed]

Hasegawa, A.

Heritage, J. P.

Itoh, H.

S. Sudo, H. Itoh, K. Okamato, K. Kubodera, Appl. Phys. Lett. 54, 993 (1989).
[CrossRef]

Jewell, J. L.

K. Tai, A. Tomita, J. L. Jewell, Appl. Phys. Lett. 49, 236 (1986).
[CrossRef]

Johnson, A. M.

Kirschner, E. M.

Krökel, D.

D. Krökel, N. J. Halas, G. Giuliani, D. Grischkowsky, Phys. Rev. Lett. 60, 29 (1988).
[CrossRef] [PubMed]

Kubodera, K.

S. Sudo, H. Itoh, K. Okamato, K. Kubodera, Appl. Phys. Lett. 54, 993 (1989).
[CrossRef]

Nakatsuka, H.

H. Nakatsuka, D. Grischkowsky, A. C. Balant, Phys. Rev. Lett. 47, 910 (1981).
[CrossRef]

Okamato, K.

S. Sudo, H. Itoh, K. Okamato, K. Kubodera, Appl. Phys. Lett. 54, 993 (1989).
[CrossRef]

Rothenberg, J. E.

J. E. Rothenberg, D. Grischkowsky, Phys. Rev. Lett. 62, 531 (1989).
[CrossRef] [PubMed]

J. E. Rothenberg, D. Grischkowsky, Opt. Lett. 12, 99 (1987).
[CrossRef] [PubMed]

Stolen, R. H.

Sudo, S.

S. Sudo, H. Itoh, K. Okamato, K. Kubodera, Appl. Phys. Lett. 54, 993 (1989).
[CrossRef]

Tai, K.

K. Tai, A. Tomita, J. L. Jewell, Appl. Phys. Lett. 49, 236 (1986).
[CrossRef]

Tomita, A.

K. Tai, A. Tomita, J. L. Jewell, Appl. Phys. Lett. 49, 236 (1986).
[CrossRef]

Tomlinson, W. J.

Weiner, A. M.

Appl. Phys. Lett. (3)

D. Grischkowsky, A. C. Balant, Appl. Phys. Lett. 41, 1 (1982).
[CrossRef]

K. Tai, A. Tomita, J. L. Jewell, Appl. Phys. Lett. 49, 236 (1986).
[CrossRef]

S. Sudo, H. Itoh, K. Okamato, K. Kubodera, Appl. Phys. Lett. 54, 993 (1989).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Lett. (3)

Phys. Rev. Lett. (3)

D. Krökel, N. J. Halas, G. Giuliani, D. Grischkowsky, Phys. Rev. Lett. 60, 29 (1988).
[CrossRef] [PubMed]

J. E. Rothenberg, D. Grischkowsky, Phys. Rev. Lett. 62, 531 (1989).
[CrossRef] [PubMed]

H. Nakatsuka, D. Grischkowsky, A. C. Balant, Phys. Rev. Lett. 47, 910 (1981).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Calculation showing the propagation of two 500-W, 1-psec sech2 pulses separated by 3 psec. (a) The input and (b)–(e) the intensities at the indicated intervals as the pulses propagate.

Fig. 2
Fig. 2

Experimental apparatus used to study the pulse collisions.

Fig. 3
Fig. 3

Observation (left-hand column) and NLSE calculation (right-hand column; the solid curves) of the output of a 2.5-m fiber for 500-W input pulse pairs of increasing delay. The delays are (a) 0 (with a single input pulse; the dashed curve), (b) 1.7, (c) 2.5, (d) 3.4, (e) 4.2, and (f) 5.1 psec. The dotted curves are the calculated output of (a) linearly interfered with itself delayed by (b) 1.7, (c) 2.5, and (d) 3.4 psec.

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