30 September 1996 Very-high-gain two-beam coupling in Rh-doped BaTiO3 using a special pumping arrangement
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Proceedings Volume 2896, Photorefractive Materials; (1996) https://doi.org/10.1117/12.253228
Event: Photonics China '96, 1996, Beijing, China
We propose a method to perform two-beam coupling, in which the pump beam was incident upon the +c face and formed a curved light path toward the a face. With this special pump arrangement a part of the fanning beam could also play an important role of pumping of the signal beam and the influence of the fanning effect could be minimized. Thus a high two-beam coupling gain as high as 3.27 by 105 has been obtained at the steady state and a several times higher has been observed at the beginning.
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Jiasen Zhang, Hong Gao, Yong Zhu, Peixian Ye, "Very-high-gain two-beam coupling in Rh-doped BaTiO3 using a special pumping arrangement", Proc. SPIE 2896, Photorefractive Materials, (30 September 1996); doi: 10.1117/12.253228; https://doi.org/10.1117/12.253228

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