| 二维多色阵列产生及控制 |
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| 引用本文： | 吴昆,徐晗,吴健,曾和平.二维多色阵列产生及控制[J].物理,2007,36(10):750-753. |
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| 作者姓名： | 吴昆 徐晗 吴健 曾和平 |
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| 作者单位： | 华东师范大学精密光谱科学与技术国家重点实验室,上海,200062 |
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| 基金项目： | 国家自然科学基金;国家自然科学基金 |
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| 摘 要： | 基于超短脉冲非线性传输过程的空间分裂和级联非共线二阶非线性过程,可以在二阶非线性介质中直接产生二维多色阵列。所形成的二维瞬态光栅可以利用同步注入的超连续白光进行探测,并实现二维多色阵列上转换放大。利用相对强度很弱的二次谐波,可以对二维多色阵列及其上转换放大进行有效控制。
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| 关 键 词： | 非线性光学 二维多色阵列 级联二阶非线性 弱光控制 |
| 修稿时间： | 2006-11-15 |
Generation and control of two-dimensional multicolored transverse arrays |
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| WU Kun,XU Han,WU Jian,ZENG He-Ping.Generation and control of two-dimensional multicolored transverse arrays[J].Physics,2007,36(10):750-753. |
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| Authors: | WU Kun XU Han WU Jian ZENG He-Ping |
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| Institution: | State Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200062, China |
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| Abstract: | Two dimensional multicolored transverse arrays have been demonstrated experimentally with pump intensities much lower than the material damage thresholds in quadratic nonlinear media based on quadratic nonlinearities. The 2D transient gratings formed could be probed with synchronized supercontinuum pulses, resulting in 2D multicolored up-converted parametric amplification. By seeding with a weak second harmonic beam, the 2D arrays could be suppressed in a controllable way. |
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| Keywords: | nonlinear optics 2D multicolored transverse arrays cascaded quadratic nonlinearity weak beam control |
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