Abstract

1.5µm emissions from Nd:YAG, Nd:YVO4, and LiNdP4O12 microchip lasers pumped by laser diodes have been observed. These coherent emissions are attributed to the effect of high-energy modified lattice vibration owing to the existence of Nd ions as well as to stimulated intracavity Raman scattering enhanced by the microchip configuration. A four-wave mixing process involving two lasing fields and a Stokes field was identified as the generator of new adjacent 1.5µm emission.

© 2000 Optical Society of America

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References

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1999 (1)

Y. Asakawa, R. Kawai, K. Ohki, and K. Otsuka, Jpn. J. Appl. Phys. 38, L515 (1999).
[CrossRef]

1998 (1)

1997 (2)

1995 (1)

B. Ozygus and J. Erhard, Appl. Phys. Lett. 67, 1361 (1995); N. Pavel, T. Taira, and M. Furuhata, Opt. Laser Technol. 30, 275 (1998); S.-L. Hwong, W.-L. Tsai, T.-S. Lim, and J.-L. Chern, Jpn. J. Appl. Phys. 38, L1330 (1999).
[CrossRef]

1989 (1)

J. J. Zayhowski and A. Mooradian, Opt. Lett. 14, 24, 618 (1989); J. J. Zayhowski, J. Ochoa, and A. Mooradian, Opt. Lett. 14, 1318 (1989).
[CrossRef] [PubMed]

1966 (1)

J. R. O’Connor, Appl. Phys. Lett. 9, 407 (1966); B. Di Bartolo, Optical Interactions in Solids (Wiley, New York, 1968).
[CrossRef]

Asakawa, Y.

Y. Asakawa, R. Kawai, K. Ohki, and K. Otsuka, Jpn. J. Appl. Phys. 38, L515 (1999).
[CrossRef]

K. Otsuka, R. Kawai, Y. Asakawa, P. Mandel, and E. A. Viktorov, Opt. Lett. 23, 201 (1998).
[CrossRef]

Erhard, J.

B. Ozygus and J. Erhard, Appl. Phys. Lett. 67, 1361 (1995); N. Pavel, T. Taira, and M. Furuhata, Opt. Laser Technol. 30, 275 (1998); S.-L. Hwong, W.-L. Tsai, T.-S. Lim, and J.-L. Chern, Jpn. J. Appl. Phys. 38, L1330 (1999).
[CrossRef]

Heine, F.

Huber, G.

Kawai, R.

Y. Asakawa, R. Kawai, K. Ohki, and K. Otsuka, Jpn. J. Appl. Phys. 38, L515 (1999).
[CrossRef]

K. Otsuka, R. Kawai, Y. Asakawa, P. Mandel, and E. A. Viktorov, Opt. Lett. 23, 201 (1998).
[CrossRef]

Koechner, W.

W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, New York, 1996).
[CrossRef]

Kretschmann, H. M.

Mandel, P.

Mooradian, A.

J. J. Zayhowski and A. Mooradian, Opt. Lett. 14, 24, 618 (1989); J. J. Zayhowski, J. Ochoa, and A. Mooradian, Opt. Lett. 14, 1318 (1989).
[CrossRef] [PubMed]

O’Connor, J. R.

J. R. O’Connor, Appl. Phys. Lett. 9, 407 (1966); B. Di Bartolo, Optical Interactions in Solids (Wiley, New York, 1968).
[CrossRef]

Ohki, K.

Y. Asakawa, R. Kawai, K. Ohki, and K. Otsuka, Jpn. J. Appl. Phys. 38, L515 (1999).
[CrossRef]

Ostroumov, V. G.

Otsuka, K.

Y. Asakawa, R. Kawai, K. Ohki, and K. Otsuka, Jpn. J. Appl. Phys. 38, L515 (1999).
[CrossRef]

K. Otsuka, R. Kawai, Y. Asakawa, P. Mandel, and E. A. Viktorov, Opt. Lett. 23, 201 (1998).
[CrossRef]

K. Otsuka, P. Mandel, and E. A. Viktorov, Phys. Rev. A 56, 3226 (1997).
[CrossRef]

Ozygus, B.

B. Ozygus and J. Erhard, Appl. Phys. Lett. 67, 1361 (1995); N. Pavel, T. Taira, and M. Furuhata, Opt. Laser Technol. 30, 275 (1998); S.-L. Hwong, W.-L. Tsai, T.-S. Lim, and J.-L. Chern, Jpn. J. Appl. Phys. 38, L1330 (1999).
[CrossRef]

Shen, Y. R.

Y. R. Shen, Principles of Nonlinear Optics (Wiley, New York, 1984).

Viktorov, E. A.

Zayhowski, J. J.

J. J. Zayhowski and A. Mooradian, Opt. Lett. 14, 24, 618 (1989); J. J. Zayhowski, J. Ochoa, and A. Mooradian, Opt. Lett. 14, 1318 (1989).
[CrossRef] [PubMed]

Appl. Phys. Lett. (2)

J. R. O’Connor, Appl. Phys. Lett. 9, 407 (1966); B. Di Bartolo, Optical Interactions in Solids (Wiley, New York, 1968).
[CrossRef]

B. Ozygus and J. Erhard, Appl. Phys. Lett. 67, 1361 (1995); N. Pavel, T. Taira, and M. Furuhata, Opt. Laser Technol. 30, 275 (1998); S.-L. Hwong, W.-L. Tsai, T.-S. Lim, and J.-L. Chern, Jpn. J. Appl. Phys. 38, L1330 (1999).
[CrossRef]

Jpn. J. Appl. Phys. (1)

Y. Asakawa, R. Kawai, K. Ohki, and K. Otsuka, Jpn. J. Appl. Phys. 38, L515 (1999).
[CrossRef]

Opt. Lett. (3)

Phys. Rev. A (1)

K. Otsuka, P. Mandel, and E. A. Viktorov, Phys. Rev. A 56, 3226 (1997).
[CrossRef]

Other (2)

Y. R. Shen, Principles of Nonlinear Optics (Wiley, New York, 1984).

W. Koechner, Solid-State Laser Engineering, 4th ed. (Springer-Verlag, New York, 1996).
[CrossRef]

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Figures (3)

Fig. 1
Fig. 1

Wavelength spectra of the Nd:YAG laser. (a), (b) Corresponding wavelength spectra at 1.06- and 1.56µm ranges; (c), (d) the wavelength spectrum at higher pumping. The vertical axis is logarithmic.

Fig. 2
Fig. 2

(a) Typical wavelength spectrum and (b) input–output characteristics of the Nd:YVO4 microchip laser. In (b), only the two lasing modes and the Stokes light are shown.

Fig. 3
Fig. 3

(a) Typical wavelength spectrum and (b) the input–output characteristics of the LNP laser. In (b), single-mode oscillations on different transitions were obtained under a tight pump-beam focusing condition by use of a microscopic objective lens with a 40× magnification.

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