利用强度测量和后选择进行光子态工程
Quantum state engineering of light using intensity measurements and post-selection
AI总结：
本文通过强度测量和后选择方法生成非经典光子态，探讨了该方法在强激光-原子相互作用中生成光学'猫'态的应用，并分析了高谐波生成中后选择方案对光子态工程的指导作用。
摘要：
光子态工程对于量子技术具有重要价值，特别是在生成非经典光子态方面。量子条件化方法常用于研究。最近，我们证明在强激光-原子相互作用中，通过强度测量和经典后选择数据可生成光学'猫'态。对采样数据集的后处理可选择特定事件，模拟非经典光子态导致的测量结果。然而，要充分实现该方法在量子态工程中的潜力，需深入研究所涉测量的作用及后选择方案的规格。我们通过分析近期用于高谐波生成的后选择方案，展示了生成足够明亮的光学'猫'态以引发非线性现象的可行性。这些发现为量子光子工程和高质高强度光学'猫'态的生成提供了重要指导，应用于非线性光学和量子信息科学。
英文摘要：
Quantum state engineering of light is of great interest for quantum technologies, particularly generating non-classical states of light, and is often studied through quantum conditioning approaches. Recently, we demonstrated that such approaches can be applied in intense laser-atom interactions to generate optical "cat" states by using intensity measurements and classical post-selection of the measurement data. Post-processing of the sampled data set allows to select specific events corresponding to measurement statistics as if there would be non-classical states of light leading to these measurement outcomes. However, to fully realize the potential of this method for quantum state engineering, it is crucial to thoroughly investigate the role of the involved measurements and the specifications of the post-selection scheme. We illustrate this by analyzing post-selection schemes recently developed for the process of high harmonic generation, which enables generating optical cat states bright enough to induce non-linear phenomena. These findings provide significant guidance for quantum light engineering and the generation of high-quality, intense optical cat states for applications in non-linear optics and quantum information science.
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