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Optics Letters

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  • Vol. 23, Iss. 10 — May. 15, 1998
  • pp: 753–755

Method for determining the two-beam coupling gain coefficients of photorefractive crystals

S. X. Dou, Juntae Kim, Seungwoo Yi, Jaichul Yi, Sungdo Cha, Seung-Ho Shin, Yong Zhu, and Peixian Ye  »View Author Affiliations


Optics Letters, Vol. 23, Issue 10, pp. 753-755 (1998)
http://dx.doi.org/10.1364/OL.23.000753


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Abstract

A new method is proposed for determining the two-beam coupling gain coefficients of photorefractive crystals with both o- and e-polarized lights. This method enables one to determine simultaneously and precisely the gain coefficients of a crystal for o- and e-polarized lights while the fanning effect is diminished. Experimental demonstrations are presented.

© 1998 Optical Society of America

OCIS Codes
(190.5330) Nonlinear optics : Photorefractive optics
(190.7070) Nonlinear optics : Two-wave mixing

Citation
S. X. Dou, Juntae Kim, Seungwoo Yi, Jaichul Yi, Sungdo Cha, Seung-Ho Shin, Yong Zhu, and Peixian Ye, "Method for determining the two-beam coupling gain coefficients of photorefractive crystals," Opt. Lett. 23, 753-755 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-10-753


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References

  1. P. Günter and J.-P. Huignard, eds., Photorefractive Materials and Their Applications I, Vol. 61 of Springer Topics in Applied Physics (Springer-Verlag, Berlin, 1988) ; Photorefractive Materials and Their Applications II, Vol. 62 of Springer Topics in Applied Physics (Springer-Verlag, Berlin, 1989).
  2. P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, New York, 1993).
  3. P. Yeh, IEEE J. Quantum Electron. 25, 484 (1989).
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  7. See, for example, K. R. MacDonald and J. Feinberg, J. Opt. Soc. Am. 73, 548 (1983).
  8. J. Feinberg, J. Opt. Soc. Am. 72, 46 (1982).
  9. Q. B. He and P. Yeh, Appl. Opt. 33, 283 (1994).
  10. J. S. Zhang, H. Gao, Y. Zhu, and P. X. Ye, Appl. Phys. Lett. 68, 2174 (1996).
  11. H. Okamura, T. Shimura, K. Kuroda, M. Itoh, and I. Ogura, Opt. Commun. 99, 230 (1993).
  12. See Ref. c7 for their definitions. The only difference is that the term ê 1· ê 2* in Eq. (10) of Ref. c7, which comes from the interference of the coupling beams, is included in the expression of the modulation index m in Eq. 2 in this Letter. This term is equal to 1 for the o polarization and to cos 2qe for the e polarization.

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