Toroidal Lasing Spaser

  title={Toroidal Lasing Spaser},
  author={Yao-Wei Huang and Wei Ting Chen and Pin Chieh Wu and Vassili A Fedotov and Nikolay I. Zheludev and Din Ping Tsai},
  booktitle={Scientific reports},
Toroidal shapes are often found in bio-molecules, viruses, proteins and fats, but only recently it was proved experimentally that toroidal structures can support exotic high-frequency electromagnetic excitations that are neither electric or magnetic multipoles. Such excitations, known as toroidal moments, could be playing an important role in enhancing… CONTINUE READING