Abstract

We demonstrate a novel, long, multiple-pass cavity (MPC) to obtain low repetition rates and high peak intensities from Kerr-lens mode-locked lasers. We show that the MPC provides a zero effective length by a unity transformation of the q parameter after a given number of transits of the laser beam. Pulse durations of 16.5  fs with 0.7  MW of power at a 15-MHz repetition rate are achieved. This is, to our knowledge, the lowest repetition rate ever achieved directly from a femtosecond laser resonator without use of additional active devices and cavity dumping. The combination of low repetition rates and high peak intensity is extremely useful for femtosecond pump–probe and other nonlinear experiments because it permits the application of high peak intensity without excessive average power.

© 1999 Optical Society of America

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  1. U. Morgner, F. X. Kärtner, S. H. Cho, Y. Chen, H. A. Haus, J. G. Fujimoto, E. P. Ippen, V. Scheurer, G. Angelow, and T. Tschudi, Opt. Lett. 24, 411 (1999).
    [CrossRef]
  2. M. Nisoli, S. De Silvestri, O. Svelto, R. Szipocs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, Opt. Lett. 22, 522 (1997).
    [CrossRef] [PubMed]
  3. A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
    [CrossRef]
  4. L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
    [CrossRef]
  5. S. H. Cho, B. E. Bouma, E. P. Ippen, and J. G. Fujimoto, in Conference on Lasers and Electro-Optics (CLEO), Vol. 6 of 1998 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CThJ6.
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  8. H. A. Haus, Waves and Fields in Optoelectronics (Prentice-Hall, Englewood Cliffs, N. J., 1984), p. 128.

1999 (1)

1997 (3)

M. Nisoli, S. De Silvestri, O. Svelto, R. Szipocs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, Opt. Lett. 22, 522 (1997).
[CrossRef] [PubMed]

A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
[CrossRef]

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

1989 (1)

1964 (1)

Angelow, G.

Baltuska, A.

A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
[CrossRef]

Bouma, B. E.

S. H. Cho, B. E. Bouma, E. P. Ippen, and J. G. Fujimoto, in Conference on Lasers and Electro-Optics (CLEO), Vol. 6 of 1998 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CThJ6.

Casperson, L. W.

Chen, Y.

Cho, S. H.

U. Morgner, F. X. Kärtner, S. H. Cho, Y. Chen, H. A. Haus, J. G. Fujimoto, E. P. Ippen, V. Scheurer, G. Angelow, and T. Tschudi, Opt. Lett. 24, 411 (1999).
[CrossRef]

S. H. Cho, B. E. Bouma, E. P. Ippen, and J. G. Fujimoto, in Conference on Lasers and Electro-Optics (CLEO), Vol. 6 of 1998 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CThJ6.

De Silvestri, S.

Ferencz, K.

M. Nisoli, S. De Silvestri, O. Svelto, R. Szipocs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, Opt. Lett. 22, 522 (1997).
[CrossRef] [PubMed]

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Fujimoto, J. G.

U. Morgner, F. X. Kärtner, S. H. Cho, Y. Chen, H. A. Haus, J. G. Fujimoto, E. P. Ippen, V. Scheurer, G. Angelow, and T. Tschudi, Opt. Lett. 24, 411 (1999).
[CrossRef]

S. H. Cho, B. E. Bouma, E. P. Ippen, and J. G. Fujimoto, in Conference on Lasers and Electro-Optics (CLEO), Vol. 6 of 1998 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CThJ6.

Haus, H. A.

Herriott, D.

Ippen, E. P.

U. Morgner, F. X. Kärtner, S. H. Cho, Y. Chen, H. A. Haus, J. G. Fujimoto, E. P. Ippen, V. Scheurer, G. Angelow, and T. Tschudi, Opt. Lett. 24, 411 (1999).
[CrossRef]

S. H. Cho, B. E. Bouma, E. P. Ippen, and J. G. Fujimoto, in Conference on Lasers and Electro-Optics (CLEO), Vol. 6 of 1998 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CThJ6.

Kärtner, F. X.

Kogelnik, H.

Kompfner, R.

Krausz, F.

M. Nisoli, S. De Silvestri, O. Svelto, R. Szipocs, K. Ferencz, Ch. Spielmann, S. Sartania, and F. Krausz, Opt. Lett. 22, 522 (1997).
[CrossRef] [PubMed]

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Lenzner, M.

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Morgner, U.

Nisoli, M.

Poppe, A.

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Pshenichnikov, M. S.

A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
[CrossRef]

Sartania, S.

Scheurer, V.

Sharafi, M.

Spielmann, C.

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Spielmann, Ch.

Stingl, A.

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Svelto, O.

Szipocs, R.

Tarroja, M. F. H.

Tempea, G.

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Tschudi, T.

Wei, Z.

A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
[CrossRef]

Wiersma, D. A.

A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
[CrossRef]

Xu, L.

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. B (2)

A. Baltuska, Z. Wei, M. S. Pshenichnikov, D. A. Wiersma, and R. Szipocs, Appl. Phys. B 65, 175 (1997).
[CrossRef]

L. Xu, G. Tempea, A. Poppe, M. Lenzner, C. Spielmann, F. Krausz, A. Stingl, and K. Ferencz, Appl. Phys. B 65, 151 (1997)L. Xu, G. Tempea, Ch. Spielmann, F. Krausz, A. Stingl, K. Ferencz, and S. Takano, Opt. Lett. 23, 789 (1998).
[CrossRef]

J. Opt. Soc. Am. B (1)

Opt. Lett. (2)

Other (2)

S. H. Cho, B. E. Bouma, E. P. Ippen, and J. G. Fujimoto, in Conference on Lasers and Electro-Optics (CLEO), Vol. 6 of 1998 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CThJ6.

H. A. Haus, Waves and Fields in Optoelectronics (Prentice-Hall, Englewood Cliffs, N. J., 1984), p. 128.

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Figures (3)

Fig. 1
Fig. 1

Schematic of the Ti:Al2O3 laser with a pair of multiple-pass cavity mirrors: M1, M2, 5.08-cm-diameter MPC mirrors (CVI) with R=2 m radius of curvature; R1, R2, 10-cm radius-of-curvature mirrors (Spectra-Physics); L, 12.5-cm focal length pump beam focusing lens; OC, 10% 3-mm-thick output coupler (CVI); Prisms, fused-silica prisms; M, mirror.

Fig. 2
Fig. 2

Mode-locked laser pulse train with 15-MHz repetition rate or 68-ns pulse separation at 50  ns/division.

Fig. 3
Fig. 3

(a) Collinear interferometric autocorrelation trace showing a pulse duration of 16.5  fs, assuming a sech2t intensity profile, and (b) the associated spectrum bandwidth of 42  nm from the KLM Ti:Al2O3 laser.

Tables (1)

Tables Icon

Table 1 Theoretical Calculation Showing Laser Parameters Associated with a Unity q Transformation Produced by MPC Mirrors with 100-cm Focal Length a

Equations (4)

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θ=cos-11-d/2f,
2νθ=μ2π,
ABCD=[1-d/fd-1/f1].
ABCD2ν=1̃.

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