Abstract

Self-focusing was observed at Raman frequencies, using picosecond pulses propagating in a large-core optical fiber of 100-μm diameter. For intense input pulses, a continuum of Stokes frequencies was generated in a small ring-waveguide structure. The ring diameter of 11 μm was about 10 times smaller than the beam diameter at low intensities. The ring structure was attributed to an induced-gradient-index profile arising from the nonlinear index of refraction.

© 1987 Optical Society of America

Full Article  |  PDF Article

References

  • View by:
  • |
  • |
  • |

  1. Overviews and references on self-focusing in condensed media are given by D. H. Auston, in Ultrafast Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977);Y. R. Shen, The Principles of Nonlinear Optics, (Wiley, New York, 1984).
  2. E. Garmire, R. Y. Chiao, C. H. Townes, Phys. Rev. Lett. 16, 347 (1966).
    [CrossRef]
  3. R. R. Alfano, S. L. Shapiro, Phys. Rev. Lett. 24, 592 (1970).
    [CrossRef]
  4. J. Botineau, F. Gires, A. Saissy, C. Vanneste, A. Azema, Appl. Opt. 17, 1208 (1978);A. DeFonzo, University of Massachusetts, Amherst, Massachusetts 01003 (personal communication, February1987).
    [CrossRef]
  5. D. Schad, B. Jaskorzynske, U. Osterberg, J. Opt. Soc. Am. B 3, 1257 (1986).
    [CrossRef]
  6. J. Gersten, R. R. Alfano, M. Belic, Phys. Rev. A 21, 1222 (1980).
    [CrossRef]
  7. R. R. Alfano, P.L. Baldeck, F. Raccah, P. P. Ho, “Cross phase modulation measured in optical fibers,” submitted to Appl. Opt.
  8. D. Glodge, IEEE Trans. MicrowaveTheory Tech. MTT-23, 106 (1975).
    [CrossRef]
  9. Masahiro Ikeda, IEEE J. Quantum Electron. QE-10, 162 (1974).
  10. G. Keiser, in Optical Fiber Communications (McGraw-Hill, New York, 1983).

1986

1980

J. Gersten, R. R. Alfano, M. Belic, Phys. Rev. A 21, 1222 (1980).
[CrossRef]

1978

1975

D. Glodge, IEEE Trans. MicrowaveTheory Tech. MTT-23, 106 (1975).
[CrossRef]

1974

Masahiro Ikeda, IEEE J. Quantum Electron. QE-10, 162 (1974).

1970

R. R. Alfano, S. L. Shapiro, Phys. Rev. Lett. 24, 592 (1970).
[CrossRef]

1966

E. Garmire, R. Y. Chiao, C. H. Townes, Phys. Rev. Lett. 16, 347 (1966).
[CrossRef]

Alfano, R. R.

J. Gersten, R. R. Alfano, M. Belic, Phys. Rev. A 21, 1222 (1980).
[CrossRef]

R. R. Alfano, S. L. Shapiro, Phys. Rev. Lett. 24, 592 (1970).
[CrossRef]

R. R. Alfano, P.L. Baldeck, F. Raccah, P. P. Ho, “Cross phase modulation measured in optical fibers,” submitted to Appl. Opt.

Auston, D. H.

Overviews and references on self-focusing in condensed media are given by D. H. Auston, in Ultrafast Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977);Y. R. Shen, The Principles of Nonlinear Optics, (Wiley, New York, 1984).

Azema, A.

Baldeck, P.L.

R. R. Alfano, P.L. Baldeck, F. Raccah, P. P. Ho, “Cross phase modulation measured in optical fibers,” submitted to Appl. Opt.

Belic, M.

J. Gersten, R. R. Alfano, M. Belic, Phys. Rev. A 21, 1222 (1980).
[CrossRef]

Botineau, J.

Chiao, R. Y.

E. Garmire, R. Y. Chiao, C. H. Townes, Phys. Rev. Lett. 16, 347 (1966).
[CrossRef]

Garmire, E.

E. Garmire, R. Y. Chiao, C. H. Townes, Phys. Rev. Lett. 16, 347 (1966).
[CrossRef]

Gersten, J.

J. Gersten, R. R. Alfano, M. Belic, Phys. Rev. A 21, 1222 (1980).
[CrossRef]

Gires, F.

Glodge, D.

D. Glodge, IEEE Trans. MicrowaveTheory Tech. MTT-23, 106 (1975).
[CrossRef]

Ho, P. P.

R. R. Alfano, P.L. Baldeck, F. Raccah, P. P. Ho, “Cross phase modulation measured in optical fibers,” submitted to Appl. Opt.

Jaskorzynske, B.

Keiser, G.

G. Keiser, in Optical Fiber Communications (McGraw-Hill, New York, 1983).

Osterberg, U.

Raccah, F.

R. R. Alfano, P.L. Baldeck, F. Raccah, P. P. Ho, “Cross phase modulation measured in optical fibers,” submitted to Appl. Opt.

Saissy, A.

Schad, D.

Shapiro, S. L.

R. R. Alfano, S. L. Shapiro, Phys. Rev. Lett. 24, 592 (1970).
[CrossRef]

Townes, C. H.

E. Garmire, R. Y. Chiao, C. H. Townes, Phys. Rev. Lett. 16, 347 (1966).
[CrossRef]

Vanneste, C.

Appl. Opt.

IEEE J. Quantum Electron.

Masahiro Ikeda, IEEE J. Quantum Electron. QE-10, 162 (1974).

IEEE Trans. MicrowaveTheory Tech.

D. Glodge, IEEE Trans. MicrowaveTheory Tech. MTT-23, 106 (1975).
[CrossRef]

J. Opt. Soc. Am. B

Phys. Rev. A

J. Gersten, R. R. Alfano, M. Belic, Phys. Rev. A 21, 1222 (1980).
[CrossRef]

Phys. Rev. Lett.

E. Garmire, R. Y. Chiao, C. H. Townes, Phys. Rev. Lett. 16, 347 (1966).
[CrossRef]

R. R. Alfano, S. L. Shapiro, Phys. Rev. Lett. 24, 592 (1970).
[CrossRef]

Other

R. R. Alfano, P.L. Baldeck, F. Raccah, P. P. Ho, “Cross phase modulation measured in optical fibers,” submitted to Appl. Opt.

Overviews and references on self-focusing in condensed media are given by D. H. Auston, in Ultrafast Light Pulses, S. L. Shapiro, ed. (Springer-Verlag, Berlin, 1977);Y. R. Shen, The Principles of Nonlinear Optics, (Wiley, New York, 1984).

G. Keiser, in Optical Fiber Communications (McGraw-Hill, New York, 1983).

Cited By

OSA participates in CrossRef's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (3)

Fig. 1
Fig. 1

Experimental setup.

Fig. 2
Fig. 2

Images of the intensity distributions at the optical-fiber output: (a) input pulses of low energies (E < 1 nJ), (b) input pulses of high energies (E > 10 nJ), (c) same as (b) with an additional NB filter centered at 550 nm. (M = 350×).

Fig. 3
Fig. 3

Cross-sectional projection of a skew ray in a gradient-index fiber and the graphical representation of its mode solution from the WBK method.10 The field is oscillatory between the turning points r1 and r2 and is evanescent outside this region.

Metrics