Abstract

We report the generation of 450-mW average blue (473-nm) power by frequency doubling of a diode-pumped 946-nm Nd:YAG laser. We achieved pulsed operation at a high repetition rate (160 kHz) by driving the relaxation oscillations of the laser. A 40% conversion efficiency to the second harmonic was obtained in a single-pass, extracavity, first-order, quasi-phase-matched process in which periodically poled lithium niobate (period 4.5 µm, thickness 0.5 mm, and length 15 mm) at 140 °C was used. The resulting high-power blue beam was circular in profile and nearly diffraction limited, indicating that photorefractive effects do not appear to limit device performance.

© 1998 Optical Society of America

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References

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  1. T. Kellner, F. Heine, V. Ostranmov, and G. Huber, in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol.??1 of OSA Trends in Optics and Photonics Series, (Optical Society of America, Washington, D.C., 1997), p. 46.
  2. V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
    [CrossRef]
  3. V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
    [CrossRef]
  4. M. Taya, M. C. Bashaw, and M. M. Fejer, Opt. Lett. 21, 857 (1996).
    [CrossRef] [PubMed]
  5. M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
    [CrossRef]
  6. J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
    [CrossRef]
  7. W. A. Clarkson, R. Koch, and D. C. Hanna, Opt. Lett. 21, 737 (1996).
    [CrossRef] [PubMed]
  8. M. A. Kern, W. A. Clarkson, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol.??11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 479.
  9. G. D. Boyd and D. A. Kleinmann, J. Appl. Phys. 39, 3597 (1968).
    [CrossRef]

1996 (2)

1995 (2)

V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
[CrossRef]

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

1994 (1)

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

1993 (1)

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
[CrossRef]

1968 (1)

G. D. Boyd and D. A. Kleinmann, J. Appl. Phys. 39, 3597 (1968).
[CrossRef]

Barr, J. R. M.

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

Bashaw, M. C.

Boyd, G. D.

G. D. Boyd and D. A. Kleinmann, J. Appl. Phys. 39, 3597 (1968).
[CrossRef]

Clarkson, W. A.

W. A. Clarkson, R. Koch, and D. C. Hanna, Opt. Lett. 21, 737 (1996).
[CrossRef] [PubMed]

V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
[CrossRef]

M. A. Kern, W. A. Clarkson, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol.??11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 479.

Fejer, M. M.

Hanna, D. C.

W. A. Clarkson, R. Koch, and D. C. Hanna, Opt. Lett. 21, 737 (1996).
[CrossRef] [PubMed]

V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
[CrossRef]

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

M. A. Kern, W. A. Clarkson, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol.??11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 479.

Heine, F.

T. Kellner, F. Heine, V. Ostranmov, and G. Huber, in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol.??1 of OSA Trends in Optics and Photonics Series, (Optical Society of America, Washington, D.C., 1997), p. 46.

Huber, G.

T. Kellner, F. Heine, V. Ostranmov, and G. Huber, in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol.??1 of OSA Trends in Optics and Photonics Series, (Optical Society of America, Washington, D.C., 1997), p. 46.

Kazansky, P. G.

V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
[CrossRef]

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

Kellner, T.

T. Kellner, F. Heine, V. Ostranmov, and G. Huber, in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol.??1 of OSA Trends in Optics and Photonics Series, (Optical Society of America, Washington, D.C., 1997), p. 46.

Kern, M. A.

M. A. Kern, W. A. Clarkson, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol.??11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 479.

Kleinmann, D. A.

G. D. Boyd and D. A. Kleinmann, J. Appl. Phys. 39, 3597 (1968).
[CrossRef]

Koch, R.

Nada, N.

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
[CrossRef]

Ostranmov, V.

T. Kellner, F. Heine, V. Ostranmov, and G. Huber, in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol.??1 of OSA Trends in Optics and Photonics Series, (Optical Society of America, Washington, D.C., 1997), p. 46.

Pruneri, V.

V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
[CrossRef]

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

Russell, P. St. J.

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

V. Pruneri, R. Koch, P. G. Kazansky, W. A. Clarkson, P. St. J. Russell, and D. C. Hanna, Opt. Lett. 20, 2375 (1995).
[CrossRef]

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

Saitoh, M.

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
[CrossRef]

Taya, M.

Watanabe, K.

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
[CrossRef]

Webjörn, J.

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

Yamada, M.

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
[CrossRef]

Appl. Phys. Lett. (2)

V. Pruneri, P. G. Kazansky, J. Webjörn, P. St. J. Russell, and D. C. Hanna, Appl. Phys. Lett. 67, 1957 (1995).
[CrossRef]

M. Yamada, N. Nada, M. Saitoh, and K. Watanabe, Appl. Phys. Lett. 62, 435 (1993).
[CrossRef]

Electron. Lett. (1)

J. Webjörn, V. Pruneri, P. St. J. Russell, J. R. M. Barr, and D. C. Hanna, Electron. Lett. 30, 894 (1994).
[CrossRef]

J. Appl. Phys. (1)

G. D. Boyd and D. A. Kleinmann, J. Appl. Phys. 39, 3597 (1968).
[CrossRef]

Opt. Lett. (3)

Other (2)

T. Kellner, F. Heine, V. Ostranmov, and G. Huber, in Advanced Solid State Lasers, C. R. Pollock and W. R. Bosenberg, eds., Vol.??1 of OSA Trends in Optics and Photonics Series, (Optical Society of America, Washington, D.C., 1997), p. 46.

M. A. Kern, W. A. Clarkson, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol.??11 of 1997 OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1997), p. 479.

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Figures (3)

Fig. 1
Fig. 1

Experimental arrangement for generation of high-power blue light: M1, M2, mirrors with radii of curvature of 100 and 25  mm, respectively; M3, M4, plane mirrors; L1, L2, lenses with focal lengths of 150 and 50 mm, respectively. P polarizing slide; λ/2, half-wave plate; PBS, polarizing beam splitter; F, infrared filter. The Nd:YAG rod was 3 mm long and 2 mm in diameter, with a Nd concentration of 1.1%.

Fig. 2
Fig. 2

Top, input infrared 946-nm pulses and bottom, the corresponding generated blue 473-nm pulses measured with a fast photodiode and a sampling scope.

Fig. 3
Fig. 3

Dependence of the generated SH (473-nm) average power on the fundamental infrared (946-nm) average power. Powers are internal to the PPLN. The solid line indicates a quadratic dependence.

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