首页> 外文会议>International Conference on Computational Science and Its Applications(ICCSA 2006) pt.1; 20060508-11; Glasgow(GB) >Simulating Superradiant Laser Pulses Using Partial Fraction Decomposition and Derivative Procedures
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Simulating Superradiant Laser Pulses Using Partial Fraction Decomposition and Derivative Procedures

机译:使用部分分数分解和导数过程模拟超辐射激光脉冲

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Some phenomena in physics (such as the phenomenon of photonic echo) appears for an external observer as non-causal pulses suddenly emerging from an active medium (prepared by some other optical pulses). Such a pulse is very hard to be simulated without using physical quantities corresponding to the internal state of a great number of atoms. Moreover, the high intensity of the photonic echo pulse is proportional to N~2, where N represents the number of atoms involved in emission. An attempt of simulating such pulses without using a great number of variables consists in the use of test-functions, which can be put in correspondence with acausal pulses in physics. However, such an attempt can not explain the dependence on N~2 for the intensity. This study will show that this problem can be solved in a simple manner using principles of partial fraction decomposition and derivative procedures.
机译:外部观察者会看到物理上的某些现象(例如光子回波现象),因为非因果脉冲突然从活性介质中出现(由其他一些光脉冲准备)。如果不使用对应于大量原子内部状态的物理量,很难模拟这样的脉冲。此外,光子回波脉冲的高强度与N〜2成正比,其中N代表参与发射的原子数。在不使用大量变量的情况下模拟此类脉冲的尝试在于使用测试函数,该函数可以与物理学中的非因果脉冲相对应。然而,这种尝试不能解释强度对N〜2的依赖性。这项研究将表明,使用部分分数分解和导数过程的原理可以简单地解决该问题。

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