非局域碰撞电离区雪崩噪声的研究
An investigation of avalanche noise in the non local impact ionization regime
摘要：
利用非局域电离系数计算了雪崩倍增的概率分布函数和过量噪声因子。死腔效应示出，以减少对于一个给定的乘法多余的噪声因子。在较高的电场值下，除了死腔效应之外，还观察到谐振效应。共振效应导致PDF中雪崩倍增的更确定性的行为，并且如果电离系数比小，则对于倍增值2、4、8和16，这产生非常低的过量噪声因子。
英文摘要：
The probability distribution function (PDF) for avalanche multiplication and the excess noise factor are calculated using non local ionization coefficients. The dead space effect is shown to reduce the excess noise factor for a given multiplication. At higher electric field values a resonance effect is observed in addition to the dead space effect. The resonance effect leads to a more deterministic behaviour in the PDF for avalanche multiplication and this gives rise to very low excess noise factors for multiplication values of 2, 4, 8 and 16 if the ionization coefficient ratio is small.
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