与辐射脉冲的量子相互作用
Quantum interactions with pulses of radiation
摘要：
本文提出了一种通用的主方程形式的量子辐射的旅行脉冲和局域量子系统之间的相互作用。行波场填充连续的自由空间辐射模式和Jaynes-Cummings模型，有效的一个腔的离散本征模，不适用。我们发展了一个完整的输入-输出理论来描述任意入射辐射脉冲和发射到任意期望的出射时间模式的场的量子态对量子系统的驱动。我们的理论适用于辐射脉冲通过耦合到广泛的一类物质量子系统的变换和相互作用。我们讨论了量子相互作用与脉冲和离散辐射本征模之间的最本质的区别，并提出了相关的量子信息协议与光学，微波和声波的例子。
英文摘要：
This article presents a general master equation formalism for the interaction between travelling pulses of quantum radiation and localized quantum systems. Traveling fields populate a continuum of free space radiation modes and the Jaynes-Cummings model, valid for a discrete eigenmode of a cavity, does not apply. We develop a complete input-output theory to describe the driving of quantum systems by arbitrary incident pulses of radiation and the quantum state of the field emitted into any desired outgoing temporal mode. Our theory is applicable to the transformation and interaction of pulses of radiation by their coupling to a wide class of material quantum systems. We discuss the most essential differences between quantum interactions with pulses and with discrete radiative eigenmodes and present examples relevant to quantum information protocols with optical, microwave and acoustic waves.
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