稠密缓冲气体环境中金属波导的光限制
Light Confinement by a Cylindric Metallic Waveguide in Dense Buffer Gas Environment
摘要：
本文报道了在230 bar的氩缓冲气体中的铷蒸气系统中实现金属微管的实验。高的缓冲气体压力导致几纳米的宽的压力加宽的线宽，插入在尖锐的原子物理学光谱和固态系统的能带结构之间。在高压缓冲气体系统中插入管状金属波导结构，可在1 mm的导光长度内增强原子-光相互作用，为非线性光学实验和原子-光极化激元凝聚研究提供了新的途径.
英文摘要：
We report on the implementation of metallic microtubes in a system of rubidium vapour at 230\,bar of argon buffer gas. The high buffer gas pressure leads to a widely pressure broadened linewidth of several nanometers, interpolating between the sharp atomic physics spectra and the band structure of solid state systems. Tube-like metallic waveguide structures have been inserted in the high pressure buffer gas system, allowing for an enhancement of the atom-light interaction over an optical guiding length in the tube of up to 1\,mm. The system holds promise for nonlinear optics experiments and the study of atom-light polariton condensation.
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