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Optics Letters

Optics Letters


  • Vol. 23, Iss. 6 — Mar. 15, 1998
  • pp: 436–438

Bichromatic frequency conversion in potassium niobate

A. Hohla, V. Vuletic, T. W. Hänsch, and C. Zimmermann  »View Author Affiliations

Optics Letters, Vol. 23, Issue 6, pp. 436-438 (1998)

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Two frequency components of an IR laser beam near 980 nm are simultaneously coupled into two adjacent longitudinal modes of a passive ring resonator. A potassium niobate crystal inside the resonator converts the circulating IR light into coherent blue radiation. The total conversion efficiency is enhanced by a factor of 1.4 compared with that of conventional single-mode intracavity second-harmonic generation with the same circulating total power, and we obtain a total output power of 560 mW from 780-mW IR light incident upon the cavity. The spectra of the generated blue radiation and the circulating IR light contain a number of equidistant frequency components that are due to consecutive sum- and difference-frequency mixing.

© 1998 Optical Society of america

OCIS Codes
(190.2620) Nonlinear optics : Harmonic generation and mixing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4400) Nonlinear optics : Nonlinear optics, materials

A. Hohla, V. Vuletic, T. W. Hänsch, and C. Zimmermann, "Bichromatic frequency conversion in potassium niobate," Opt. Lett. 23, 436-438 (1998)

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  1. C. Zimmermann, V. Vuletic, A. Hemmerich, and T. W. Hänsch, Appl. Phys. Lett. 66, 2318 (1995).
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  4. C. Zimmermann, V. Vuletic, A. Hemmerich, L. Ricci, and T. W. Hänsch, Opt. Lett. 20, 297 (1995).
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  9. C. Zimmermann, R. Kallenbach, T. W. Hänsch, and J. Sandberg, Opt. Commun. 71, 229 (1989).

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