连续光电探测模型:量子跳跃工程和实验验证的提示
Continuous photodetection model: quantum jump engineering and hints for experimental verification
摘要:
我们研究了腔中光计数过程的连续光探测模型的某些方面。首先,我们制定了一个微观模型,描述了场探测器的相互作用,并推导出量子跳跃超算子(QJS)的一般表达式,该形状的检测器的检测后的字段上的行动。我们表明,在特定情况下,我们的模型恢复QJS先前提出的特设文献中,并指出,通过调整检测器参数,可以工程QJS。然后,我们建立了实验验证模型的方案。通过考虑到无处不在的非理想性,我们表明,通过测量较低的光计数时刻和平均等待时间,可以检查QJS更好地描述了光计数现象。
英文摘要:
We examine some aspects of the continuous photodetection model for photocounting processes in cavities. First, we work out a microscopic model that describes the field-detector interaction and deduce a general expression for the Quantum Jump Superoperator (QJS), that shapes the detector's post-action on the field upon a detection. We show that in particular cases our model recovers the QJSs previously proposed ad hoc in the literature and point out that by adjusting the detector parameters one can engineer QJSs. Then we set up schemes for experimental verification of the model. By taking into account the ubiquitous non-idealities, we show that by measuring the lower photocounts moments and the mean waiting time one can check which QJS better describes the photocounting phenomenon.
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