Sayano K, Rakuljic G A, Agranat A, Yariv A, Neurgaonkar R R
Opt Lett. 1989 May 1;14(9):459-61. doi: 10.1364/ol.14.000459.
We present the theoretical and experimental results of photorefractive two-beam coupling in Cr-doped strontium barium niobate:60, using thermal excitation (i.e., dark conductivity) to model the experimentally observed temperature-dependent behavior of the two-beam coupling constant and response time.