双能级系统中的光场驱动吸收特性和粒子布居调控
The regulation and control of absorption properties and population distribution in an optical coupling two-level system

摘要：原子系统中的相干效应一直是当前科学研究的热点。本文在典型的双能级系统中引入光场激发能级之间粒子的相干跃迁，通过讨论光场开启后直到系统达到稳定的量子相干过程，分析系统从瞬态到达稳态的吸收特性和粒子布居特性，并进一步讨论通过改变光场强度对其特性进行的调控。
Abstract Coherent effects in atomic systems have been a hot topic in current scientific research. In this paper, an optical field is introduced between the excited state and the lower state in a well-studied two level system. By discussing the quantum coherence process after the optical field is turned on until the system is stable, the generation and transformation of absorption features and population distribution during this period of time is analyzed, the regulation of these properties by changing the intensity of the optical field is further discussed. Keywords：optical field, two level system, absorption properties, population distribution