Abstract

Stimulated Raman scattering in a 50-μm multimode graded-index optical fiber was studied with a pulsed dye laser as the pump source. With 30 m of the fiber, the scattered waves (the Stokes waves) in the fiber could be made to propagate predominantly in one of the low-order modes of the fiber by careful adjustment of the light-launching conditions. The observed phenomenon is believed to be the result of nonuniform excitation of the modes by the pump. The experimental results are presented and discussed.

© 1992 Optical Society of America

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References

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  1. R. H. Stolen, E. P. Ippen, A. R. Tynes, Appl. Phys. Lett. 20, 62 (1972).
    [Crossref]
  2. G. P. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, Calif., 1989).
  3. J. Botineau, F. Gires, A. Saïsy, C. Vanneste, A. Azema, Appl. Opt. 17, 1208 (1978).
    [Crossref] [PubMed]
  4. P. L. Baldeck, F. Raccah, R. R. Alfano, Opt. Lett. 12, 588 (1987).
    [Crossref] [PubMed]
  5. A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).
  6. F. Capasso, P. Di Porto, J. Appl. Phys. 47, 1472 (1976).
    [Crossref]
  7. R. G. Smith, Appl. Opt. 11, 2489 (1972).
    [Crossref] [PubMed]

1988 (1)

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

1987 (1)

1978 (1)

1976 (1)

F. Capasso, P. Di Porto, J. Appl. Phys. 47, 1472 (1976).
[Crossref]

1972 (2)

R. G. Smith, Appl. Opt. 11, 2489 (1972).
[Crossref] [PubMed]

R. H. Stolen, E. P. Ippen, A. R. Tynes, Appl. Phys. Lett. 20, 62 (1972).
[Crossref]

Agrawal, G. P.

G. P. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, Calif., 1989).

Alfano, R. R.

Azema, A.

Baldeck, P. L.

Botineau, J.

Capasso, F.

F. Capasso, P. Di Porto, J. Appl. Phys. 47, 1472 (1976).
[Crossref]

Di Porto, P.

F. Capasso, P. Di Porto, J. Appl. Phys. 47, 1472 (1976).
[Crossref]

Dianov, E. M.

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

Gires, F.

Grudinin, A. B.

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

Ippen, E. P.

R. H. Stolen, E. P. Ippen, A. R. Tynes, Appl. Phys. Lett. 20, 62 (1972).
[Crossref]

Khaidarov, D. V.

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

Korbkin, D. V.

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

Prokhorov, A. M.

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

Raccah, F.

Saïsy, A.

Smith, R. G.

Stolen, R. H.

R. H. Stolen, E. P. Ippen, A. R. Tynes, Appl. Phys. Lett. 20, 62 (1972).
[Crossref]

Tynes, A. R.

R. H. Stolen, E. P. Ippen, A. R. Tynes, Appl. Phys. Lett. 20, 62 (1972).
[Crossref]

Vanneste, C.

Appl. Opt. (2)

Appl. Phys. Lett. (1)

R. H. Stolen, E. P. Ippen, A. R. Tynes, Appl. Phys. Lett. 20, 62 (1972).
[Crossref]

J. Appl. Phys. (1)

F. Capasso, P. Di Porto, J. Appl. Phys. 47, 1472 (1976).
[Crossref]

JETP Lett. (1)

A. B. Grudinin, E. M. Dianov, D. V. Korbkin, A. M. Prokhorov, D. V. Khaĭdarov, JETP Lett. 47, 356 (1988).

Opt. Lett. (1)

Other (1)

G. P. Agrawal, Nonlinear Fiber Optics (Academic, San Diego, Calif., 1989).

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Figures (3)

Fig. 1
Fig. 1

Images of the dispersed output from a 30-m fiber showing the pump and the Stokes shifts: (a) the LP01 mode evolves in the Stokes shifts, (b) the LP11, LP31, and LP12 modes evolve individually in the Stokes shifts.

Fig. 2
Fig. 2

Images of the mode patterns of the Stokes shifts obtained from the nondispersed output from a 30-m fiber with the pump filtered out.

Fig. 3
Fig. 3

Images of the dispersed output from a 1-km fiber showing two situations: (a) the LP01 mode evolves in all the Stokes shifts, (b) the LP01 mode evolves in the second Stokes shift, while the first Stokes shift contains a number of modes.

Tables (1)

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Table 1 Normalized Overlap Integrals for Several LP Modes of a Circular Step-Index Fiber

Equations (1)

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I i j = + + ψ i 2 ψ j 2 d x d y + + ψ i 2 d x d y + + ψ j 2 d x d y ,

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