Abstract

The injection effect of weak Stokes seed radiation is demonstrated in a para-H2 Raman laser. Injected radiation from a PbSnTe diode laser as low as several microwatts resulted in an enhancement of 4 orders of magnitude in the output Stokes energy and a reduction in the pumping threshold energy of 22%. Characteristics of the injection are investigated as functions of the pumping energy, the Stokes seed frequency, and the polarization.

© 1989 Optical Society of America

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References

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  1. R. L. Byer, IEEE J. Quantum Electron. QE-6, 732 (1976);P. Rabinowitz, A. Stein, R. Brickman, A. Kaldor, Opt. Lett. 3, 147 (1978).
    [CrossRef] [PubMed]
  2. K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
    [CrossRef]
  3. J. L. Carlsten, R. G. Wenzel, IEEE J. Quantum Electron. QE-19, 1407 (1983).
    [CrossRef]
  4. I. A. Walmsley, M. G. Raymer, Phys. Rev. A 33, 382 (1986).
    [CrossRef] [PubMed]
  5. W. R. Trutna, R. L. Byer, Appl. Opt. 19, 301 (1980).
    [CrossRef] [PubMed]
  6. M. G. Raymer, J. Mostowski, Phys. Rev. A 24, 1980 (1981).
    [CrossRef]
  7. K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
    [CrossRef]
  8. K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
    [CrossRef]
  9. E. D. Hinkley, C. D. Freed, Phys. Rev. Lett. 23, 277 (1969).
    [CrossRef]
  10. R. W. Minck, E. E. Hagenlocker, W. G. Rado, Phys. Rev. Lett. 17, 229 (1966).
    [CrossRef]

1986 (2)

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

I. A. Walmsley, M. G. Raymer, Phys. Rev. A 33, 382 (1986).
[CrossRef] [PubMed]

1985 (2)

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

1983 (1)

J. L. Carlsten, R. G. Wenzel, IEEE J. Quantum Electron. QE-19, 1407 (1983).
[CrossRef]

1981 (1)

M. G. Raymer, J. Mostowski, Phys. Rev. A 24, 1980 (1981).
[CrossRef]

1980 (1)

1976 (1)

R. L. Byer, IEEE J. Quantum Electron. QE-6, 732 (1976);P. Rabinowitz, A. Stein, R. Brickman, A. Kaldor, Opt. Lett. 3, 147 (1978).
[CrossRef] [PubMed]

1969 (1)

E. D. Hinkley, C. D. Freed, Phys. Rev. Lett. 23, 277 (1969).
[CrossRef]

1966 (1)

R. W. Minck, E. E. Hagenlocker, W. G. Rado, Phys. Rev. Lett. 17, 229 (1966).
[CrossRef]

Aoki, Y.

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

Byer, R. L.

W. R. Trutna, R. L. Byer, Appl. Opt. 19, 301 (1980).
[CrossRef] [PubMed]

R. L. Byer, IEEE J. Quantum Electron. QE-6, 732 (1976);P. Rabinowitz, A. Stein, R. Brickman, A. Kaldor, Opt. Lett. 3, 147 (1978).
[CrossRef] [PubMed]

Carlsten, J. L.

J. L. Carlsten, R. G. Wenzel, IEEE J. Quantum Electron. QE-19, 1407 (1983).
[CrossRef]

Freed, C. D.

E. D. Hinkley, C. D. Freed, Phys. Rev. Lett. 23, 277 (1969).
[CrossRef]

Hagenlocker, E. E.

R. W. Minck, E. E. Hagenlocker, W. G. Rado, Phys. Rev. Lett. 17, 229 (1966).
[CrossRef]

Hinkley, E. D.

E. D. Hinkley, C. D. Freed, Phys. Rev. Lett. 23, 277 (1969).
[CrossRef]

Isomura, S.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

Midorikawa, K.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

Minck, R. W.

R. W. Minck, E. E. Hagenlocker, W. G. Rado, Phys. Rev. Lett. 17, 229 (1966).
[CrossRef]

Mostowski, J.

M. G. Raymer, J. Mostowski, Phys. Rev. A 24, 1980 (1981).
[CrossRef]

Nagasaka, K.

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

Nagasaki, K.

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

Namba, S.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

Ohashi, K.

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

Oyama, T.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

Rado, W. G.

R. W. Minck, E. E. Hagenlocker, W. G. Rado, Phys. Rev. Lett. 17, 229 (1966).
[CrossRef]

Raymer, M. G.

I. A. Walmsley, M. G. Raymer, Phys. Rev. A 33, 382 (1986).
[CrossRef] [PubMed]

M. G. Raymer, J. Mostowski, Phys. Rev. A 24, 1980 (1981).
[CrossRef]

Satooka, S.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

Takeuchi, K.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

Tashiro, H.

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

Toyoda, K.

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

Trutna, W. R.

Walmsley, I. A.

I. A. Walmsley, M. G. Raymer, Phys. Rev. A 33, 382 (1986).
[CrossRef] [PubMed]

Wenzel, R. G.

J. L. Carlsten, R. G. Wenzel, IEEE J. Quantum Electron. QE-19, 1407 (1983).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

K. Midorikawa, H. Tashiro, Y. Aoki, K. Nagasaka, K. Toyoda, S. Namba, Appl. Phys. Lett. 47, 1033 (1985).
[CrossRef]

IEEE J. Quantum Electron. (2)

R. L. Byer, IEEE J. Quantum Electron. QE-6, 732 (1976);P. Rabinowitz, A. Stein, R. Brickman, A. Kaldor, Opt. Lett. 3, 147 (1978).
[CrossRef] [PubMed]

J. L. Carlsten, R. G. Wenzel, IEEE J. Quantum Electron. QE-19, 1407 (1983).
[CrossRef]

J. Appl. Phys. (1)

K. Midorikawa, H. Tashiro, Y. Aoki, K. Ohashi, K. Nagasaki, K. Toyoda, S. Namba, J. Appl. Phys. 57, 1504 (1985).
[CrossRef]

J. Nucl. Sci. Technol. (1)

K. Takeuchi, H. Tashiro, S. Isomura, T. Oyama, S. Satooka, K. Midorikawa, S. Namba, J. Nucl. Sci. Technol. 23, 282 (1986).
[CrossRef]

Phys. Rev. A (2)

I. A. Walmsley, M. G. Raymer, Phys. Rev. A 33, 382 (1986).
[CrossRef] [PubMed]

M. G. Raymer, J. Mostowski, Phys. Rev. A 24, 1980 (1981).
[CrossRef]

Phys. Rev. Lett. (2)

E. D. Hinkley, C. D. Freed, Phys. Rev. Lett. 23, 277 (1969).
[CrossRef]

R. W. Minck, E. E. Hagenlocker, W. G. Rado, Phys. Rev. Lett. 17, 229 (1966).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Experimental setup. F's, filters; BC, beam combiner; DM, dichroic mirror.

Fig. 2
Fig. 2

Variation of the output Stokes energy as a function of the Stokes seed frequency.

Fig. 3
Fig. 3

Output Stokes energy as a function of the input pump energy. The circles and triangles indicate energy with and without (free-running) Stokes seed radiation, respectively.

Fig. 4
Fig. 4

Typical waveforms of unconverted pump pulses. The horizontal scale is 50 nsec/division. (A)–(F) correspond to the points labeled A–F in Fig. 3.

Equations (6)

Equations on this page are rendered with MathJax. Learn more.

P S = P S 0 exp ( G K P P ) ,
K = 4 tan 1 ( l / b ) λ P + λ S ( 1 r s ) ( 1 r ) ,
P S 0 = P S 0 n = h ν S Δ ν S π / [ 2 ( π G K P P ) 1 / 2 ] .
P S = P S 0 S exp ( G K P P th s ) = P S 0 n exp ( G K P P th n ) .
P P th s / P P th n = 0.53 .
In P S 0 S = ( P P th s / P P th n ) ( In P S 0 n In P S ) + In P S .

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