Attar Sarah T, Shuvayev Vladimir, Deych Lev, Martin Leopoldo L, Carmon Tal
Opt Express. 2016 Jun 13;24(12):13134-41. doi: 10.1364/OE.24.013134.
We fabricate a liquid-core liquid-clad microcavity that is coupled to a standard tapered fiber, and then experimentally map the whispering-gallery modes of this droplet resonator. The shape of our resonator is similar to a thin prolate spheroid, which makes space for many high-order transverse modes, suggesting that some of them will share the same resonance frequency. Indeed, we experimentally observe that more than half of the droplet's modes have a sibling having the same frequency (to within linewidth) and therefore exhibiting a standing interference-pattern.
我们制造了一种与标准锥形光纤耦合的液芯液包层微腔，然后通过实验测绘了这种液滴谐振器的回音壁模式。我们的谐振器形状类似于一个细长的扁球体，这为许多高阶横向模式留出了空间，这表明其中一些模式将具有相同的共振频率。事实上，我们通过实验观察到，液滴的模式中超过一半有一个频率相同（在线宽范围内）的“兄弟姐妹”模式，因此呈现出驻波干涉图案。
