photoluminescence

By combining,the field- susceptibility formalism with the optical Bloch equations method,we derive the density ma- trix elements and their emitting signal intensity for the computation of the energy transfer between two quantum dots excited by optical near fields and placed in a complex geometry.

研究了近场光激发下的两量子点之间的共振能量转移情况,采用场极化率张量和量子光学中的光学布洛赫方程相结合的方法得到了两个量子点相互作用的密度矩阵元以及各自的发光强度,分析了周围环境(以探针体为例)对共振能量转移的影响,提供了一种在微纳尺度范围内研究量子点之间能量耦合和转移的理论分析方法。

The spectrum evolution of the femtosecond laser pulse in a three-level organic molecular medium(4,4 -bis(dimethylamino) stilbene) is studied theoretically by solving the Maxwell-Bloch equations using an iterative predictorcorrector finite-difference time-domain method.

通过采用预估校正的时域有限差分法求解麦克斯韦-布洛赫方程,我们研究了飞秒激光脉冲在三能级有机分子(4,4-二甲氨基二苯乙烯分子)介质中传播时脉冲的频谱演化情况。

We study the interaction between the ultra-short laser pulses and the one-dimensional symmetrical π conjugated molecular material (4,4′-bis (dimethylamino) stilbene) by solving Maxwell-Bloch equations.

通过求解麦克斯韦-布洛赫方程,研究了超短脉冲激光和一维对称π共轭分子材料(4,4′-二甲氨基二苯乙烯分子)的相互作用。

To study the evolution of femtosecond(fs) laser pulse in a long-distance two-level medium,the Maxwell-Bloch equations of 5 fs carrier interaeting with two-level medium are numerically solved with use of finite-difference time domain procedure.

为研究飞秒脉冲在共振二能级原子介质中传播较长距离时的演化规律,用时域有限差分的方法数值模拟了5 fs脉冲载波与共振介质相互作用的麦克斯韦布洛赫方程。