Abstract

We describe a degenerate four-wave mixing technique for measuring optical Kerr coefficients. This technique permits discrimination between fast and slow (thermal) nonlinearities. We report results for a number of long-chain organic materials.

© 1981 Optical Society of America

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References

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  1. D. M. Bloom, P. W. Smith, W. J. Tomlinson, J. Opt. Soc. Am. 68, 645 (1978).
  2. See, for example, J. AuYeung, A. Yariv, Opt. News 5(2), 13 (1979).
    [CrossRef]
  3. M. J. Moran, C.-Y. She, R. L. Carman, IEEE J. Quantum Electron. QE-11, 259 (1975).
    [CrossRef]
  4. J. P. Hermann, D. Ricard, J. Ducuing, Appl. Phys. Lett. 23, 178 (1973).
    [CrossRef]
  5. J. P. Hermann, J. Ducuing, J. Appl. Phys. 45, 5100 (1974).
    [CrossRef]
  6. J. R. Salcedo, A. E. Siegman, IEEE J. Quantum Electron. QE-15, 250 (1979).
    [CrossRef]

1979

See, for example, J. AuYeung, A. Yariv, Opt. News 5(2), 13 (1979).
[CrossRef]

J. R. Salcedo, A. E. Siegman, IEEE J. Quantum Electron. QE-15, 250 (1979).
[CrossRef]

1978

D. M. Bloom, P. W. Smith, W. J. Tomlinson, J. Opt. Soc. Am. 68, 645 (1978).

1975

M. J. Moran, C.-Y. She, R. L. Carman, IEEE J. Quantum Electron. QE-11, 259 (1975).
[CrossRef]

1974

J. P. Hermann, J. Ducuing, J. Appl. Phys. 45, 5100 (1974).
[CrossRef]

1973

J. P. Hermann, D. Ricard, J. Ducuing, Appl. Phys. Lett. 23, 178 (1973).
[CrossRef]

AuYeung, J.

See, for example, J. AuYeung, A. Yariv, Opt. News 5(2), 13 (1979).
[CrossRef]

Bloom, D. M.

D. M. Bloom, P. W. Smith, W. J. Tomlinson, J. Opt. Soc. Am. 68, 645 (1978).

Carman, R. L.

M. J. Moran, C.-Y. She, R. L. Carman, IEEE J. Quantum Electron. QE-11, 259 (1975).
[CrossRef]

Ducuing, J.

J. P. Hermann, J. Ducuing, J. Appl. Phys. 45, 5100 (1974).
[CrossRef]

J. P. Hermann, D. Ricard, J. Ducuing, Appl. Phys. Lett. 23, 178 (1973).
[CrossRef]

Hermann, J. P.

J. P. Hermann, J. Ducuing, J. Appl. Phys. 45, 5100 (1974).
[CrossRef]

J. P. Hermann, D. Ricard, J. Ducuing, Appl. Phys. Lett. 23, 178 (1973).
[CrossRef]

Moran, M. J.

M. J. Moran, C.-Y. She, R. L. Carman, IEEE J. Quantum Electron. QE-11, 259 (1975).
[CrossRef]

Ricard, D.

J. P. Hermann, D. Ricard, J. Ducuing, Appl. Phys. Lett. 23, 178 (1973).
[CrossRef]

Salcedo, J. R.

J. R. Salcedo, A. E. Siegman, IEEE J. Quantum Electron. QE-15, 250 (1979).
[CrossRef]

She, C.-Y.

M. J. Moran, C.-Y. She, R. L. Carman, IEEE J. Quantum Electron. QE-11, 259 (1975).
[CrossRef]

Siegman, A. E.

J. R. Salcedo, A. E. Siegman, IEEE J. Quantum Electron. QE-15, 250 (1979).
[CrossRef]

Smith, P. W.

D. M. Bloom, P. W. Smith, W. J. Tomlinson, J. Opt. Soc. Am. 68, 645 (1978).

Tomlinson, W. J.

D. M. Bloom, P. W. Smith, W. J. Tomlinson, J. Opt. Soc. Am. 68, 645 (1978).

Yariv, A.

See, for example, J. AuYeung, A. Yariv, Opt. News 5(2), 13 (1979).
[CrossRef]

Appl. Phys. Lett.

J. P. Hermann, D. Ricard, J. Ducuing, Appl. Phys. Lett. 23, 178 (1973).
[CrossRef]

IEEE J. Quantum Electron.

M. J. Moran, C.-Y. She, R. L. Carman, IEEE J. Quantum Electron. QE-11, 259 (1975).
[CrossRef]

J. R. Salcedo, A. E. Siegman, IEEE J. Quantum Electron. QE-15, 250 (1979).
[CrossRef]

J. Appl. Phys.

J. P. Hermann, J. Ducuing, J. Appl. Phys. 45, 5100 (1974).
[CrossRef]

J. Opt. Soc. Am.

D. M. Bloom, P. W. Smith, W. J. Tomlinson, J. Opt. Soc. Am. 68, 645 (1978).

Opt. News

See, for example, J. AuYeung, A. Yariv, Opt. News 5(2), 13 (1979).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Schematic diagram of experimental setup. The light transmitted by the étalon is monitored to determine the spatial distribution and frequency spectrum of the laser output.

Fig. 2
Fig. 2

Normalized plots of calculated output intensity (Eout2) versus time for the case of a fast (τ = 0) and a slow (τ → ∞) nonlinearity.

Fig. 3
Fig. 3

Calculated output intensity versus time for the case in which fast- and slow-response nonlinearities of opposite sign are present.

Fig. 4
Fig. 4

Comparison of experimentally observed backward-wave signals with calculated responses, (a) CS2 (fast response only), (b) retinol (fast and slow response, F = 0.8).

Fig. 5
Fig. 5

Resonant enhancement of the hyperpolarizability 〈γ〉 for β-carotene. The solid line is a smooth curve through the experimental points.

Tables (2)

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Table 1 Summary of Results

Tables Icon

Table 2 Comparison with Third-Harmonic Measurements

Equations (4)

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E out n 2 E 1 E 2 E 3 ,
E out K 2 E 1 ( t ) t E 2 ( t ) E 3 ( t ) exp [ ( t t τ ) ] d t + K 2 E 2 ( t ) t E 1 ( t ) E 3 ( t ) exp [ ( t t τ ) ] d t ,
E i = E i 0 exp [ ( t 2 2 ) ] , i = 1 3 .
n 2 = 3 π N γ 4 / n ,

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