Abstract

The amplification of 20-fs-duration pulses in an amplifier with spatial dispersion in the gain medium (dye) is theoretically analyzed. Pulse self-shaping was observed during amplification, and further shaping was achieved by spatially modulating the pump. This spatial modulation of the pump permits the elimination of pulse broadening in the amplifier, even in the saturation regime. The possibility of using a compound medium with an ultrabroadband gain profile is also discussed.

© 1992 Optical Society of America

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References

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  1. M. B. Danailov, I. P. Christov, Opt. Commun. 73, 235 (1989); M. B. Danailov, I. P. Christov, Opt. Commun., 77, 397 (1990); Appl. Phys. B 51, 300 (1990).
    [CrossRef] [PubMed]
  2. I. P. Christov, M. B. Danailov, Opt. Commun. 84, 61 (1991).
    [CrossRef]
  3. Ya. I. Khanin, Dynamics of Quantum Generators (Radio, Moscow, 1975), Chap. 18.
  4. N. I. Michailov, “Passively mode-locked dye laser with spatial dispersion in the gain medium,” J. Opt. Soc. Am. B (to be published).
  5. A. Icsevgi, W. E. Lamb, Phys. Rev. 185, 517 (1969).
    [CrossRef]
  6. I. P. Christov, N. I. Michailov, M. B. Danailov, Appl. Phys. B 53, 115 (1991).
    [CrossRef]
  7. R. L. Fork, H. Avramopoulos, H. L. Frignito, P. C. Becker, K. L. Schehrer, C. Hirlimann, Opt. Lett. 14, 1068 (1989).
    [CrossRef] [PubMed]
  8. L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
    [CrossRef]
  9. M. B. Danailov, I. P. Christov, J. Mod. Opt. 36, 725 (1989).
    [CrossRef]
  10. M. D. Rotter, R. A. Haas, Opt. Commun. 71, 311 (1989).
    [CrossRef]
  11. A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. 22, 1619 (1987).
    [CrossRef]
  12. D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
    [CrossRef]
  13. O. E. Martinez, IEEE J. Quantum Electron. QE-23, 1385 (1987).
    [CrossRef]
  14. U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
    [CrossRef]
  15. A. A. Hnilo, O. E. Martinez, IEEE J. Quantum Electron. QE-23, 593 (1987).
    [CrossRef]
  16. Catalog of Laser Dyes (Exciton Chemical Company, Inc., Dayton, Ohio, 1983).

1991 (2)

I. P. Christov, M. B. Danailov, Opt. Commun. 84, 61 (1991).
[CrossRef]

I. P. Christov, N. I. Michailov, M. B. Danailov, Appl. Phys. B 53, 115 (1991).
[CrossRef]

1989 (4)

R. L. Fork, H. Avramopoulos, H. L. Frignito, P. C. Becker, K. L. Schehrer, C. Hirlimann, Opt. Lett. 14, 1068 (1989).
[CrossRef] [PubMed]

M. B. Danailov, I. P. Christov, Opt. Commun. 73, 235 (1989); M. B. Danailov, I. P. Christov, Opt. Commun., 77, 397 (1990); Appl. Phys. B 51, 300 (1990).
[CrossRef] [PubMed]

M. B. Danailov, I. P. Christov, J. Mod. Opt. 36, 725 (1989).
[CrossRef]

M. D. Rotter, R. A. Haas, Opt. Commun. 71, 311 (1989).
[CrossRef]

1987 (3)

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. 22, 1619 (1987).
[CrossRef]

O. E. Martinez, IEEE J. Quantum Electron. QE-23, 1385 (1987).
[CrossRef]

A. A. Hnilo, O. E. Martinez, IEEE J. Quantum Electron. QE-23, 593 (1987).
[CrossRef]

1985 (1)

D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
[CrossRef]

1975 (1)

U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
[CrossRef]

1969 (1)

A. Icsevgi, W. E. Lamb, Phys. Rev. 185, 517 (1969).
[CrossRef]

1963 (1)

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[CrossRef]

Avramopoulos, H.

Becker, P. C.

Christov, I. P.

I. P. Christov, M. B. Danailov, Opt. Commun. 84, 61 (1991).
[CrossRef]

I. P. Christov, N. I. Michailov, M. B. Danailov, Appl. Phys. B 53, 115 (1991).
[CrossRef]

M. B. Danailov, I. P. Christov, J. Mod. Opt. 36, 725 (1989).
[CrossRef]

M. B. Danailov, I. P. Christov, Opt. Commun. 73, 235 (1989); M. B. Danailov, I. P. Christov, Opt. Commun., 77, 397 (1990); Appl. Phys. B 51, 300 (1990).
[CrossRef] [PubMed]

Danailov, M. B.

I. P. Christov, M. B. Danailov, Opt. Commun. 84, 61 (1991).
[CrossRef]

I. P. Christov, N. I. Michailov, M. B. Danailov, Appl. Phys. B 53, 115 (1991).
[CrossRef]

M. B. Danailov, I. P. Christov, Opt. Commun. 73, 235 (1989); M. B. Danailov, I. P. Christov, Opt. Commun., 77, 397 (1990); Appl. Phys. B 51, 300 (1990).
[CrossRef] [PubMed]

M. B. Danailov, I. P. Christov, J. Mod. Opt. 36, 725 (1989).
[CrossRef]

Fork, R. L.

Frantz, L. M.

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[CrossRef]

Frignito, H. L.

Ganiel, U.

U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
[CrossRef]

Haas, R. A.

M. D. Rotter, R. A. Haas, Opt. Commun. 71, 311 (1989).
[CrossRef]

Hardy, A.

U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
[CrossRef]

Heritage, J. P.

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. 22, 1619 (1987).
[CrossRef]

Hirlimann, C.

Hnilo, A. A.

A. A. Hnilo, O. E. Martinez, IEEE J. Quantum Electron. QE-23, 593 (1987).
[CrossRef]

Icsevgi, A.

A. Icsevgi, W. E. Lamb, Phys. Rev. 185, 517 (1969).
[CrossRef]

Khanin, Ya. I.

Ya. I. Khanin, Dynamics of Quantum Generators (Radio, Moscow, 1975), Chap. 18.

Lamb, W. E.

A. Icsevgi, W. E. Lamb, Phys. Rev. 185, 517 (1969).
[CrossRef]

Martinez, O. E.

A. A. Hnilo, O. E. Martinez, IEEE J. Quantum Electron. QE-23, 593 (1987).
[CrossRef]

O. E. Martinez, IEEE J. Quantum Electron. QE-23, 1385 (1987).
[CrossRef]

Michailov, N. I.

I. P. Christov, N. I. Michailov, M. B. Danailov, Appl. Phys. B 53, 115 (1991).
[CrossRef]

N. I. Michailov, “Passively mode-locked dye laser with spatial dispersion in the gain medium,” J. Opt. Soc. Am. B (to be published).

Mourou, G.

D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
[CrossRef]

Neumann, G.

U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
[CrossRef]

Nodvik, J. S.

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[CrossRef]

Rotter, M. D.

M. D. Rotter, R. A. Haas, Opt. Commun. 71, 311 (1989).
[CrossRef]

Schehrer, K. L.

Strickland, D.

D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
[CrossRef]

Treves, D.

U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
[CrossRef]

Weiner, A. M.

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. 22, 1619 (1987).
[CrossRef]

Appl. Phys. B (1)

I. P. Christov, N. I. Michailov, M. B. Danailov, Appl. Phys. B 53, 115 (1991).
[CrossRef]

IEEE J. Quantum Electron. (3)

O. E. Martinez, IEEE J. Quantum Electron. QE-23, 1385 (1987).
[CrossRef]

U. Ganiel, A. Hardy, G. Neumann, D. Treves, IEEE J. Quantum Electron. QE-11, 881 (1975).
[CrossRef]

A. A. Hnilo, O. E. Martinez, IEEE J. Quantum Electron. QE-23, 593 (1987).
[CrossRef]

J. Appl. Phys. (1)

L. M. Frantz, J. S. Nodvik, J. Appl. Phys. 34, 2346 (1963).
[CrossRef]

J. Mod. Opt. (1)

M. B. Danailov, I. P. Christov, J. Mod. Opt. 36, 725 (1989).
[CrossRef]

Opt. Commun. (4)

M. D. Rotter, R. A. Haas, Opt. Commun. 71, 311 (1989).
[CrossRef]

M. B. Danailov, I. P. Christov, Opt. Commun. 73, 235 (1989); M. B. Danailov, I. P. Christov, Opt. Commun., 77, 397 (1990); Appl. Phys. B 51, 300 (1990).
[CrossRef] [PubMed]

I. P. Christov, M. B. Danailov, Opt. Commun. 84, 61 (1991).
[CrossRef]

D. Strickland, G. Mourou, Opt. Commun. 56, 219 (1985).
[CrossRef]

Opt. Lett. (1)

Phys. Rev. (1)

A. Icsevgi, W. E. Lamb, Phys. Rev. 185, 517 (1969).
[CrossRef]

Rev. Phys. Appl. (1)

A. M. Weiner, J. P. Heritage, Rev. Phys. Appl. 22, 1619 (1987).
[CrossRef]

Other (3)

Ya. I. Khanin, Dynamics of Quantum Generators (Radio, Moscow, 1975), Chap. 18.

N. I. Michailov, “Passively mode-locked dye laser with spatial dispersion in the gain medium,” J. Opt. Soc. Am. B (to be published).

Catalog of Laser Dyes (Exciton Chemical Company, Inc., Dayton, Ohio, 1983).

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Figures (3)

Fig. 1
Fig. 1

Schematic of the spatially dispersive amplifier for ultrashort pulses. Gratings G1 and G2 and lenses L1 and L2 compose a confocal (4/f) optical system.

Fig. 2
Fig. 2

(a) Calculated output pulses and (b) the corresponding spectra for the small-signal regime (dashed curves), the saturation regime (dotted curves), and amplification with a spatially modulated pump (solid curves). The horizontal axis represents the local time (tnz/c) at the output.

Fig. 3
Fig. 3

Pump modulated along the x axis for amplification without pulse broadening.

Equations (5)

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E m z + n c E m t = 0.5 σ ( ω m ) N 2 E m ,
ϕ m z + n c ϕ m t = Δ - 1 σ ( ω m ) ( ω 21 - ω m ) N 2 ,
N 2 t = - N 2 m σ ( ω m ) I m .
E ( x , t ) = E 0 exp [ - x / a 1 ) 2 - ( t / T 1 ) 2 + i ( ω 0 + x / β f ) t ] ,
E out ( t ) = m E m ( t ) exp { i [ ω m t + ϕ m ( t ) ] } ,

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