塞曼简并原子系统中暗态的去稳与光谱学
Destabilization of dark states and optical spectroscopy in Zeeman-degenerate atomic systems
摘要：
本文讨论了利用磁场或调制激光偏振态的激光驱动原子去稳定暗态的技术。我们表明，光子散射率是最大化在一个特定的演化速率的暗态。我们还发现，原子共振曲线显着加宽时，演化速率远离这个最佳值。这些结果说明了一些常见的陷阱离子的不稳定的暗态的详细例子，并支持来自数值计算和简单的理论模型的见解。
英文摘要：
We present a general discussion of the techniques of destabilizing dark states in laser-driven atoms with either a magnetic field or modulated laser polarization. We show that the photon scattering rate is maximized at a particular evolution rate of the dark state. We also find that the atomic resonance curve is significantly broadened when the evolution rate is far from this optimum value. These results are illustrated with detailed examples of destabilizing dark states in some commonly-trapped ions and supported by insights derived from numerical calculations and simple theoretical models.
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