We present experimental results offield-enhanced photorefractive two-beam coupling and
gain in Cr-doped strontium barium niobate crystals and its dependence on dopant …

Two-beam coupling gain and speed of a Cr-doped strontium-barium niobate single crystal at
514.5 nm and 632.8 nm are measured to compare photorefractive origins and responses …

We describe the experimental measurement of phase-conjugate reflectivity versus various
ratios of input-beam intensities in photorefractive barium titanate and strontium barium …

Two-wave mixing with a small angle between beams in a photorefractive crystal biased with
an external electric field leads to the formation of additional non-Bragg orders and to wave …

We have improved the two-wave coupling amplification and the signal-to-noise ratio of an
amplified signal with photorefractive cerium-doped potassium sodium strontium barium …

We present experimental results on the photorefractive two-beam coupling constant and
response time of two Cr-doped strontium barium niobate crystals with different dopant …

Photorefractive two-beam-coupling coefficients are measured and compared in thin and
thick cerium-doped strontium barium niobate crystals fabricated from the same boule. For …

Exceptionally high values of photorefractive gain coefficient of up to 100 cm-1 have been
observed in Fe-doped and Fe/Tb-doped crystals of photorefractive lithium niobate. It is …

We report on the photorefractive properties of a Cr-doped (K 1− x Na x) 2 A− 2 (Sr y Ba 1− y)
2− A Nb 10 O 30 (x= 0.586, y= 0.659, A= 1.12) single crystal in the near-infrared spectrum …

We present what is to our knowledge the first report on the photorefractive properties of Rh-
doped Sr_0. 6Ba_0. 4Nb_2O_6 and experimental results showing a reduction of the …