S. I. Stepanov and M. P. Petrov, Efficient unstationary holographic recording in photorefractive crystals under an external alternating electric field, Optics Communications, vol.53, issue.5, pp.292-295, 1985.
DOI : 10.1016/0030-4018(85)90265-2

C. Besson, J. M. Jonathan, A. Villing, G. Pauliat, and G. Roosen, Influence of alternating field frequency on enhanced photorefractive gain in two-beam coupling, Optics Letters, vol.14, issue.24, pp.1359-1361, 1989.
DOI : 10.1364/OL.14.001359
URL : https://hal.archives-ouvertes.fr/hal-00856623

F. Vachss, Frequency-dependent photorefractive response in the presence of applied ac electric fields, Journal of the Optical Society of America B, vol.11, issue.6, pp.1045-1058, 1994.
DOI : 10.1364/JOSAB.11.001045

J. Moisan, N. Wolffer, O. Moine, P. Gravey, G. Martel et al., Characterization of photorefractive CdTe:V: high two-wave mixing gain with an optimum low-frequency periodic external electric field, Journal of the Optical Society of America B, vol.11, issue.9, pp.1655-1667, 1994.
DOI : 10.1364/JOSAB.11.001655

G. Valley and M. B. Klein, Optimal properties of photorefractive materials for optical data processing, Opt. Eng, vol.22, pp.704-711, 1983.

G. Pauliat and G. Roosen, Photorefractive effect generated in sillenite crystals by picosecond pulses and comparison with the quasi-continuous regime, Journal of the Optical Society of America B, vol.7, issue.12, pp.2259-2267, 1990.
DOI : 10.1364/JOSAB.7.002259
URL : https://hal.archives-ouvertes.fr/hal-00856195

P. Nouchi, J. P. Partanen, and R. W. Hellwarth, Simple transient solutions for photoconduction and the space-charge field in a photorefractive material with shallow traps, Physical Review B, vol.47, issue.23, pp.15581-15587, 1993.
DOI : 10.1103/PhysRevB.47.15581

Y. Belaud, P. Delaye, J. Launay, and G. Roosen, Photorefractive response of CdTe: V under ac electric field from 1 to 1.5 ??m, Optics Communications, vol.105, issue.3-4, pp.204-208, 1994.
DOI : 10.1016/0030-4018(94)90716-1
URL : https://hal.archives-ouvertes.fr/hal-00677548

K. Magde and G. Brost, Influence of the ac field frequency on the photorefractive response in Bi12SiO20, Optical Materials, vol.4, issue.2-3, pp.322-325, 1995.
DOI : 10.1016/0925-3467(94)00080-8

G. Brost, K. Magde, J. Larking, and M. Harris, Investigation of the frequency-dependent photorefractive response with alternating electric fields in BSO, Digest of Topical Meeting on Photorefractive Materials, Effects, and Devices, pp.2-144, 1995.

A. Grunnet-jepsen, L. Solymar, and C. H. Kwak, Effect of subharmonics on two-wave gain in Bi_12SiO_20 under alternating electric fields, Optics Letters, vol.19, issue.17, pp.1299-1301, 1994.
DOI : 10.1364/OL.19.001299

M. Ziari, W. H. Steier, P. M. Ranon, M. B. Klein, and S. Trivedi, Enhancement of the photorefractive gain at 13???15 ??m in CdTe using alternating electric fields, Journal of the Optical Society of America B, vol.9, issue.8, pp.1461-1466, 1992.
DOI : 10.1364/JOSAB.9.001461