1-2hit |
Kiyoshi ASAKAWA Yoshimasa SUGIMOTO Naoki IKEDA Daiju TSUYA Yasuo KOIDE Yoshinori WATANABE Nobuhiko OZAKI Shunsuke OHKOUCHI Tsuyoshi NOMURA Daisuke INOUE Takayuki MATSUI Atsushi MIURA Hisayoshi FUJIKAWA Kazuo SATO
This paper reviews our recent activities on nanophotonics based on a photonic crystal (PC)/quantum dot (QD)-combined structure for an all-optical device and a metal/semiconductor composite structure using surface plasmon (SP) and negative refractive index material (NIM). The former structure contributes to an ultrafast signal processing component by virtue of new PC design and QD selective-area-growth technologies, while the latter provides a new RGB color filter with a high precision and optical beam-steering device with a wide steering angle.
David R. SMITH Patrick RYE David C. VIER Anthony F. STARR Jack J. MOCK Timothy PERRAM
Artificial electromagnetic structures have significantly broadened the range of wave propagation phenomena available. In particular, it has been shown that metamaterials can be constructed for which the index-of-refraction is negative over a finite band of frequencies. In this paper, we present the design, fabrication and characterization of a metamaterial that exhibits negative refraction. The metamaterial design we explore is anisotropic in the plane of propagation. Based on our analysis and supporting simulations and measurements, we demonstrate that for the geometry considered, the anisotropic metamaterial has the identical negative refraction properties as would an isotropic negative index metamaterial.