02/12/2025, 11:54 AM UTC
利用电光谐振器测量不可见光振动Measurement of Invisible Light Vibrations Using Electro-Optical Resonators
研究人员开发了一种新颖的方法，可以直接在光学谐振器内追踪光场。这使得在未来的光-物质相互作用场分辨研究中，能够在精确的位置进行测量。
马克斯·普朗克学会弗里茨-哈伯研究所和德累斯顿-罗森多夫亥姆霍兹中心的物理化学部门的研究人员开发了一个新的实验平台，以在低于光周期的精度下测量被两镜面捕获的光的电场。这些电光法布里-珀罗谐振器允许对光-物质相互作用进行精确的控制和观察，尤其是在太赫兹（THz）光谱区域。
通过开发可调谐的混合谐振器设计以及对其复杂模式光谱的测量和建模，物理学家现在可以在谐振器相关位置的光波节点和极大值之间进行主动切换。因此，这项研究为量子电动力学和材料特性的超快控制开辟了新的途径。
Researchers have developed a novel method to track light fields directly within optical resonators. This enables precise measurements at the exact locations where future field-resolved studies of light-matter interactions will take place.
Scientists from the Department of Physical Chemistry at the Fritz-Haber Institute of the Max Planck Society and the Helmholtz-Zentrum Dresden-Rossendorf have developed a new experimental platform to measure the electric fields of light trapped between two mirrors with precision below a light cycle. These electro-optical Fabry-Pérot resonators allow for precise control and observation of light-matter interactions, particularly in the terahertz (THz) spectral region.
Through the development of a tunable hybrid resonator design and the measurement and modeling of its complex mode spectrum, physicists can now actively switch between nodes and maxima of light waves at relevant resonator locations. This study thus opens new paths for the exploration of quantum electrodynamics and the ultrafast control of material properties.
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