… in the development of photorefractive polymers"", owing to … a polymer composite with
excellent photorefractive properties… coupling gain of more than 200 cm.", making these polymeric …

… gain. We review the fundamentals of the PReffect by first describing the necessary elements
for photorefractivity… We present several new effects ofimportance for high-gain materials and …

… Photorefractive polymers were constructed with performance that matched or … photorefractive
crystals. The largest observed two-beam energy coupling gain coefficient for the polymers …

… However, the challenges we are facing are also overwhelming: very little understanding
has been gained on the mechanism for these photorefractive materials. Photoconductive …

… optical diffraction, optical gain and response time of polymers was investigated for PVK/7-DCST/ECZ/PCBM.
As shown in Figure 17, a distinct increase in optical gain and decreases in …

… particular to polymeric photorefractive materials have … photorefractive polymers. This paper
reviews the latest developments of the young and exciting field of polymeric photorefractive …

… Photorefractive polymers have been extensively studied for over two decades and have …
competing photorefractive gratings. It has been recently shown that in a photorefractive polymer …

… Two-beam-coupling gain coefficients exceeding the absorption coefficient are … in an
organic photorefractive system. The material is based on the photoconducting polymer poly(N-…

… of the optimum thickness of each polymer layer, we note that since the gain coefficient is a …
gain comparison, we note that the theory of photorefractivity predicts that the small signal gain …

… In summary, we have presented a novel photorefractive polymer composite with improved
material stability exhibiting overmodulation of the diffraction efficiency, a large gain coefficient …