7 February 2011 Photorefractive amplification at high frequencies
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Photorefractive optical amplification, while useful, is a slow process. Under some circumstances, however, it amplifies optical signals effectively even when one is modulated at a relatively high frequency. We determine the reasons for this capability (what we have called the "Fast Photorefractive Effect") and analyze its enhanced bandwidth, improvements over standard photorefractivity, and limitations.
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Russell M. Kurtz, Russell M. Kurtz, Weixing Lu, Weixing Lu, Judy Piranian, Judy Piranian, Albert O. Okorogu, Albert O. Okorogu, } "Photorefractive amplification at high frequencies", Proc. SPIE 7957, Practical Holography XXV: Materials and Applications, 79570K (7 February 2011); doi: 10.1117/12.875761; https://doi.org/10.1117/12.875761

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