Abstract

We study saturation of photoinduced second-harmonic generation in a Ge-doped silica fiber by modulating the relative phase between the fundamental and second-harmonic writing beams. We shift the phase by π and present measurements that identify saturation that is due to site depletion and saturation that is due to a backfield.

© 1992 Optical Society of America

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References

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  1. U. Osterberg, W. Margulis, Opt. Lett. 11, 516 (1986).
    [CrossRef] [PubMed]
  2. For reviews see R. H. Stolen, in Nonlinear Waves in Solid State Physics, A. D. Boardman, M. Bertolotti, T. Twardowski, eds., Vol. 247 of Series B: Physics (Plenum, New York, 1990), pp. 297–324; D. A. Weinberger, in Nonlinear Optics in Solids, O. Keller, ed., Vol. 9 of Springer Series in Wave Phenomena (Springer-Verlag, Berlin, 1990), p. 162.
    [CrossRef]
  3. D. M. Krol, M. M. Broer, K. T. Nelson, R. H. Stolen, H. W K. Tom, Opt. Lett. 16, 211 (1991).
    [CrossRef] [PubMed]
  4. H. W. K. Tom, R. H. Stolen, B. Ehrlich-Holl, D. M. Krol, in Digest of Conference on Quantum Electronics Laser Science (Optical Society of America, Washington, D.C., 1991), paper JTuA4.
  5. H. W. K. Tom, R. H. Stolen, G. D. Aumiller, W. Pleibel, Opt. Lett. 13, 512 (1988); N. B. Baranova, B. Ya. Zel’dovich, JETP Lett. 45, 717 (1987); E. M. Dianov, P. G. Kazansky, D. Yu. Stepanov, Sov. J. Quantum Electron. 16, 887 (1989); D. Z. Anderson, V. Mizrahi, J. E. Sipe, Opt. Lett. 16, 796 (1991); I. C. S. Carvalho, W. Margulis, B. Lesche, Opt. Lett. 16, 1487 (1991).
    [CrossRef] [PubMed]
  6. Yu. E. Kapitzky, B. Ya. Zeldovich, Opt. Lett. 15, 1236 (1990).
    [CrossRef] [PubMed]
  7. W. Margulis, Proc. Soc. Photo-Opt. Instrum. Eng. 1516, 60 (1991).
  8. A. Krotkus, W. Margulis, Appl. Phys. Lett. 52, 1942 (1988).
    [CrossRef]
  9. F. Ouellette, K. Hill, D. C. Johnson, Opt. Lett. 13, 515 (1988).
    [CrossRef] [PubMed]

1991 (2)

1990 (1)

1988 (3)

1986 (1)

Aumiller, G. D.

Broer, M. M.

Ehrlich-Holl, B.

H. W. K. Tom, R. H. Stolen, B. Ehrlich-Holl, D. M. Krol, in Digest of Conference on Quantum Electronics Laser Science (Optical Society of America, Washington, D.C., 1991), paper JTuA4.

Hill, K.

Johnson, D. C.

Kapitzky, Yu. E.

Krol, D. M.

D. M. Krol, M. M. Broer, K. T. Nelson, R. H. Stolen, H. W K. Tom, Opt. Lett. 16, 211 (1991).
[CrossRef] [PubMed]

H. W. K. Tom, R. H. Stolen, B. Ehrlich-Holl, D. M. Krol, in Digest of Conference on Quantum Electronics Laser Science (Optical Society of America, Washington, D.C., 1991), paper JTuA4.

Krotkus, A.

A. Krotkus, W. Margulis, Appl. Phys. Lett. 52, 1942 (1988).
[CrossRef]

Margulis, W.

W. Margulis, Proc. Soc. Photo-Opt. Instrum. Eng. 1516, 60 (1991).

A. Krotkus, W. Margulis, Appl. Phys. Lett. 52, 1942 (1988).
[CrossRef]

U. Osterberg, W. Margulis, Opt. Lett. 11, 516 (1986).
[CrossRef] [PubMed]

Nelson, K. T.

Osterberg, U.

Ouellette, F.

Pleibel, W.

Stolen, R. H.

D. M. Krol, M. M. Broer, K. T. Nelson, R. H. Stolen, H. W K. Tom, Opt. Lett. 16, 211 (1991).
[CrossRef] [PubMed]

H. W. K. Tom, R. H. Stolen, G. D. Aumiller, W. Pleibel, Opt. Lett. 13, 512 (1988); N. B. Baranova, B. Ya. Zel’dovich, JETP Lett. 45, 717 (1987); E. M. Dianov, P. G. Kazansky, D. Yu. Stepanov, Sov. J. Quantum Electron. 16, 887 (1989); D. Z. Anderson, V. Mizrahi, J. E. Sipe, Opt. Lett. 16, 796 (1991); I. C. S. Carvalho, W. Margulis, B. Lesche, Opt. Lett. 16, 1487 (1991).
[CrossRef] [PubMed]

For reviews see R. H. Stolen, in Nonlinear Waves in Solid State Physics, A. D. Boardman, M. Bertolotti, T. Twardowski, eds., Vol. 247 of Series B: Physics (Plenum, New York, 1990), pp. 297–324; D. A. Weinberger, in Nonlinear Optics in Solids, O. Keller, ed., Vol. 9 of Springer Series in Wave Phenomena (Springer-Verlag, Berlin, 1990), p. 162.
[CrossRef]

H. W. K. Tom, R. H. Stolen, B. Ehrlich-Holl, D. M. Krol, in Digest of Conference on Quantum Electronics Laser Science (Optical Society of America, Washington, D.C., 1991), paper JTuA4.

Tom, H. W K.

Tom, H. W. K.

Zeldovich, B. Ya.

Appl. Phys. Lett. (1)

A. Krotkus, W. Margulis, Appl. Phys. Lett. 52, 1942 (1988).
[CrossRef]

Opt. Lett. (5)

Proc. Soc. Photo-Opt. Instrum. Eng. (1)

W. Margulis, Proc. Soc. Photo-Opt. Instrum. Eng. 1516, 60 (1991).

Other (2)

H. W. K. Tom, R. H. Stolen, B. Ehrlich-Holl, D. M. Krol, in Digest of Conference on Quantum Electronics Laser Science (Optical Society of America, Washington, D.C., 1991), paper JTuA4.

For reviews see R. H. Stolen, in Nonlinear Waves in Solid State Physics, A. D. Boardman, M. Bertolotti, T. Twardowski, eds., Vol. 247 of Series B: Physics (Plenum, New York, 1990), pp. 297–324; D. A. Weinberger, in Nonlinear Optics in Solids, O. Keller, ed., Vol. 9 of Springer Series in Wave Phenomena (Springer-Verlag, Berlin, 1990), p. 162.
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Simulation results: every 5 units of time, a π phase shift is applied. From the top to the bottom, site depletion is more severe for each run, starting with no site depletion (from Ref. 4).

Fig. 2
Fig. 2

Experimental setup for SHG with a modulation of ΔΦ. A change of pressure in the cell from p1 to p2 changes ΔΦ according to ΔΦ = ΔΦp1 – ΔΦp2, where ΔΦpi = [ηpi(ω) − npi(2ω)]2ω(L/c), i = 1, 2, npi(ω) is the index of refraction in N2 at pressure pi and L is the length of the cell.

Fig. 3
Fig. 3

Experimental dependence of SHG on relative phase and seeding time. The arrows indicate where a π phase shift is applied. The curves are a guide to the eye. (a) The decrease of SHG after π phase shifts indicates that both saturation levels are due to the backfield. (b) After a second π phase shift, no change in SHG indicates that saturation is due to site depletion.

Equations (2)

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E dc E ( ω ) E ( ω ) E * ( 2 ω ) cos ( Δ k z + ΔΦ ) ,
Δ k z = [ 2 k ( ω ) k ( 2 ω ) ] z , Δ Φ = 2 Φ ( ω ) Φ ( 2 ω ) .

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