Abstract

We discuss the use of aperiodically poled nonlinear crystals to improve conversion efficiency in a synchronously pumped ultrafast optical parametric oscillator. We show theoretically that with these crystals the conversion efficiency can be considerably higher than that obtained when a periodically poled crystal with the same length is used. Moreover, we show that pump threshold can be simultaneously improved by use of longer crystals.

© 2002 Optical Society of America

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References

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  1. D. C. Edelstein, E. S. Wachman, and C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
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  8. P. Loza-Alvarez, D. T. Reid, M. Ebrahimzadeh, W. Sibbett, D. Artigas, and M. Missey, J. Opt. Soc. Am. B 18, 1212 (2001).
    [CrossRef]
  9. G. New, D. T. Reid, T. Beddard, and W. Sibbett, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CThL4.
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    [CrossRef]
  11. D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
    [CrossRef]

2001 (2)

P. Loza-Alvarez, D. T. Reid, M. Ebrahimzadeh, W. Sibbett, D. Artigas, and M. Missey, J. Opt. Soc. Am. B 18, 1212 (2001).
[CrossRef]

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

2000 (1)

1999 (2)

K. Fradkin, A. Arie, A. Skliar, and G. Rosenman, Appl. Phys. Lett. 74, 914 (1999).
[CrossRef]

M. H. Dunn and M. Ebrahimzadeh, Science 286, 1513 (1999).
[CrossRef] [PubMed]

1998 (1)

1997 (2)

1993 (1)

1989 (1)

D. C. Edelstein, E. S. Wachman, and C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

Arbore, M. A.

Arie, A.

K. Fradkin, A. Arie, A. Skliar, and G. Rosenman, Appl. Phys. Lett. 74, 914 (1999).
[CrossRef]

Artigas, D.

Beddard, T.

T. Beddard, M. Ebrahimzadeh, D. T. Reid, and W. Sibbett, Opt. Lett. 25, 1052 (2000).
[CrossRef]

G. New, D. T. Reid, T. Beddard, and W. Sibbett, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CThL4.

Beigang, R.

Chou, M. H.

Clausem, K. B.

Dunn, M. H.

M. H. Dunn and M. Ebrahimzadeh, Science 286, 1513 (1999).
[CrossRef] [PubMed]

Ebrahimzadeh, M.

Edelstein, D. C.

D. C. Edelstein, E. S. Wachman, and C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

Fallnich, C.

Fejer, M. M.

Fradkin, K.

K. Fradkin, A. Arie, A. Skliar, and G. Rosenman, Appl. Phys. Lett. 74, 914 (1999).
[CrossRef]

Galvanauskas, A.

Hanna, D. C.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Harter, D.

Loza-Alvarez, P.

Marco, O.

Missey, M.

Nebel, A.

New, G.

G. New, D. T. Reid, T. Beddard, and W. Sibbett, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CThL4.

O’Connor, M. V.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Reid, D. T.

P. Loza-Alvarez, D. T. Reid, M. Ebrahimzadeh, W. Sibbett, D. Artigas, and M. Missey, J. Opt. Soc. Am. B 18, 1212 (2001).
[CrossRef]

T. Beddard, M. Ebrahimzadeh, D. T. Reid, and W. Sibbett, Opt. Lett. 25, 1052 (2000).
[CrossRef]

G. New, D. T. Reid, T. Beddard, and W. Sibbett, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CThL4.

Rosenman, G.

K. Fradkin, A. Arie, A. Skliar, and G. Rosenman, Appl. Phys. Lett. 74, 914 (1999).
[CrossRef]

Shepherd, D. P.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Sibbett, W.

P. Loza-Alvarez, D. T. Reid, M. Ebrahimzadeh, W. Sibbett, D. Artigas, and M. Missey, J. Opt. Soc. Am. B 18, 1212 (2001).
[CrossRef]

T. Beddard, M. Ebrahimzadeh, D. T. Reid, and W. Sibbett, Opt. Lett. 25, 1052 (2000).
[CrossRef]

G. New, D. T. Reid, T. Beddard, and W. Sibbett, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CThL4.

Skliar, A.

K. Fradkin, A. Arie, A. Skliar, and G. Rosenman, Appl. Phys. Lett. 74, 914 (1999).
[CrossRef]

Tang, C. L.

D. C. Edelstein, E. S. Wachman, and C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

Torner, L.

Wachman, E. S.

D. C. Edelstein, E. S. Wachman, and C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

Wallenstein, R.

Watson, M. A.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Appl. Phys. Lett. (2)

D. C. Edelstein, E. S. Wachman, and C. L. Tang, Appl. Phys. Lett. 54, 1728 (1989).
[CrossRef]

K. Fradkin, A. Arie, A. Skliar, and G. Rosenman, Appl. Phys. Lett. 74, 914 (1999).
[CrossRef]

J. Opt. Soc. Am. B (2)

J. Phys. D (1)

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Opt. Lett. (4)

Science (1)

M. H. Dunn and M. Ebrahimzadeh, Science 286, 1513 (1999).
[CrossRef] [PubMed]

Other (1)

G. New, D. T. Reid, T. Beddard, and W. Sibbett, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics Series (Optical Society of America, Washington, D.C., 2001), paper CThL4.

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Figures (3)

Fig. 1
Fig. 1

(a) Gain (solid curves, right axis) and conversion efficiency (dotted curves, left axis) for PPKTP in terms of the crystal length. (b) Average intracavity signal power for 0.3-mm-long crystals (maximum conversion). (c) Same as (b) but for a 1.9-mm crystal (minimum threshold). All the inset curves show the pump spectral intensity maintaining the same scale at the crystal position shown by the arrows.

Fig. 2
Fig. 2

As in Fig. 1 but for APPKTP. (a) Gain and conversion efficiency plotted in terms of the poling-period difference for a fixed crystal length of 1.9 mm. (b) Δ Λ = 0.4   µ m (minimum threshold), (c) Δ Λ = 1.5   µ m (maximum conversion).

Fig. 3
Fig. 3

As in Fig. 1(a) but for APPKTP with Δ Λ = 0.5   µ m .

Equations (1)

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i A s z , τ z - 1 2 k s 2 A s z , τ t 2 + i 2 π K s A p z , τ × A i * z , τ exp i α = 1 D α z α = 0 , i A i z , τ z - i δ i A i z , τ τ - 1 2 k i 2 A i z , τ τ 2 + i 2 π K i A p z , τ A s * z , τ exp i α = 1 D α z α = 0 , i A p z , τ z - i δ p A p z , τ τ - 1 2 k p 2 A p z , τ τ 2 - i 2 π K p A i z , τ A s z , τ exp - i α = 1 D α z α = 0 ,

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