Bidirectional vectorial light amplification in cubic crystals with unshifted photorefractive gratings

I. Rocha-Mendoza; A. V. Khomenko

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Bidirectional vectorial light amplification in cubic crystals with unshifted photorefractive gratings

机译：无位移光折变光栅在立方晶体中的双向矢量光放大

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We present a new method of light amplification based on vectorial two-wave mixing in cubic crystal via an unshifted photorefractive grating. The energy transfer between interacting waves is achieved in an experimental configuration that provides the amplitudes of modulation of refractive indices of opposite signs, Δn_(1)=-Δn_(2), for two orthogonal polarization modes of the interacting waves. The configuration demonstrates bidirectional amplification; i.e., the weak wave is always amplified, independent of its direction with respect to the strong pump beam. We present the results of numerical analysis along with the experimental results for a Bi_(12)TiO_(20) crystal with a dc applied electric field.

机译：我们提出了一种新的光放大方法，该方法基于矢量二波混频通过无位移光折射光栅在立方晶体中进行。对于相互作用波的两个正交偏振模式，相互作用波之间的能量转移是通过实验配置实现的，该实验配置提供了相反符号的折射率调制幅度Δn_（1）=-Δn_（2）。该配置演示了双向放大;即，弱波总是被放大，而与强泵浦光束的方向无关。我们提出了数值分析的结果以及带有直流施加电场的Bi_（12）TiO_（20）晶体的实验结果。

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《Optics Letters》 |2002年第16期|共3页
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I. Rocha-Mendoza; A. V. Khomenko;
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1. Bidirectional vectorial light amplification in cubic crystals with unshifted photorefractive gratings [J] . I. Rocha-Mendoza, A. V. Khomenko Optics Letters . 2002,第16期

机译：无位移光折变光栅在立方晶体中的双向矢量光放大
2. Interaction of Light Waves on a Reflecting Holographic Grating in Cubic Photorefractive Crystals [J] . A. G. Martyanov, S. M. Shandarov, R. V. Litvinov Physics of the solid state . 2002,第6期

机译：立方光折射晶体中反射全息光栅上光波的相互作用
3. Nonunidirectional amplification of a weak light wave upon two-wave interaction in uniaxial photorefractive crystals with different recording mechanisms of the refractive index grating [J] . Litvinov RV Quantum electronics . 2007,第11期

机译：具有折射率光栅记录机制的单轴光折变晶体中两波相互作用时弱光波的非单向放大
4. Energy Exchange between Light Waves on Local Photorefractive Grating in a Cubic Gyrotropic Crystal [C] . R. V. Litvinov Eighth International Conference on Photorefractive Effects, Materials, and Devices, Jul 8-12, 2001, Delavan, Wisconsin . 2001

机译：立方回转晶体中局部光折变光栅上光波之间的能量交换
5. Creation of vector beams from a polarization diffraction grating using a programmable liquid crystal spatial light modulator and a q-plate. [D] . Badham, Katherine Emily. 2016

机译：使用可编程液晶空间光调制器和q板从偏振衍射光栅创建矢量束。
6. Icosahedral quasicrystals of intermetallic compounds are icosahedral twins of cubic crystals of three kinds consisting of large (about 5000 atoms) icosahedral complexes in either a cubic body-centered or a cubic face-centered arrangement or smaller (about 1350 atoms) icosahedral complexes in the β-tungsten arrangement [O] . Linus Pauling 1989

机译：金属间化合物的二十面体准晶体是三种立方晶体的二十面体孪晶由大（约5000原子）的二十面体配合物（以立方体心或立方面心排列）或更小（约1350原子）的二十面体配合物组成。 β钨排列
7. The influences of light-induced gratings on the acoustooptical interaction of bessel light beams in the gyrotropic cubic crystals [O] . Белый В. Н., Кулак Г. В., Крох Г. В., 2016

机译：光致光栅对回旋立方晶体贝塞尔光束声光相互作用的影响

Bidirectional vectorial light amplification in cubic crystals with unshifted photorefractive gratings

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