摘要:
表面等离子光子学是研究金属、半导体纳米结构材料独特的光学特性,是目前光子学中最有吸引力、发展最快的领域之一.伴随着微/纳制造技术与计算机模拟技术的进步,表面等离子光子学在可见光、红外、太赫兹以及微波频域得到了广泛研究,在高灵敏生化传感、亚波长光波导、近场光学显微、纳米光刻等领域有潜在的应用价值.特别是人工超材料的发展,为自然界长期缺乏响应太赫兹波的材料和器件奠定了基础,从而也促进了太赫兹波段表面等离子光子学的研究.本文从太赫兹表面等离子波的激发、传导、最新应用及未来发展趋势等几个方面进行了回顾和讨论,将最新研究成果展示给读者.
Abstract:
Plasmonics, which deals with the unique optical properties of metallic and semiconductor nanostructure, is one of the most fascinating and fast-moving areas of photouics. Its board scale research in the visible, infrared, terahertz and microwave frequencies has chiven by the advances in the micro/nano fabrication and the computational simulation technologies, as well as the potential applications in areas of high sensitivity bio-chemical sensing, sub-wavelength light-guiding, near-field microcopy, and nanolithography. Especially, the development of the artificial metamaterial has laid the good foundation for the material and devices in the terahertz frequency range, which is barely responded by the nature materials, and furthermore, has promoted the progress of terahertz surface plasmonics. In this paper the generation, propagation, new applications, and perspective of terahetz surface plamonics are reviewed and discussed.
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