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    TWO-DIMENSIONAL PHOTONIC CRYSTAL RESONATOR
    2.
    发明公开
    TWO-DIMENSIONAL PHOTONIC CRYSTAL RESONATOR 有权
    ZWEIDIMENSIONALER PHOTONISCHER KRISTALLRESONATOR

    公开(公告)号：EP1666939A4

    公开(公告)日：2006-09-13

    申请号：EP04772076

    申请日：2004-08-24

    申请人： UNIV KYOTO ,  SUMITOMO ELECTRIC INDUSTRIES

    发明人： NODA SUSUMU ,  ASANO TAKASHI ,  SONG BONG-SHIK ,  AKAHANE YOSHIHIRO

    IPC分类号： G02B6/12 ,  G02B6/122

    CPC分类号： B82Y20/00 ,  G02B6/1225

    摘要： The present invention intends to provide a two-dimensional photonic crystal resonator having a high Q-value. The slab-shaped body 21 is provided with cyclically arranged holes 22. The body 21 is divided into three areas 31-33 with the holes 22 arranged with cycle distances of a 1 in area 31 and a 2 in areas 32 and 33, which is smaller than a 1 . A waveguide 23 passing through the three areas is formed by linearly eliminating the holes 22. The waveguide 23 thus formed can propagate rays of light within a wavelength band that depends on the cycle distance of the holes 22. The cycle distance of the holes in the area 31 differs from that of the areas 32 and 33, and the wavelength band of the light propagating through the waveguide accordingly differs. Therefore, a ray of light whose wavelength is within the waveguide transmission wavelength band of the area 31 but outside of the waveguide transmission wavelength band of the other areas 32 and 33 will be confined within the waveguide of the area 31 and resonate therein. Thus, the waveguide in the area 31 functions as a resonator.

    摘要翻译： 实现高Q值的二维光子晶体谐振器。 空隙（22）周期性排列在板状体（21）中。 主体21被分割为三个区域31-33，并且在区域31中将空隙22的配置周期设定为a1，在区域32,33中将a2设定为比a1小的a2， 。 此外，通过线性去除空隙（22）来提供穿过三个区域的波导（23）。 因此，依赖于空隙（22）周期的波段中的光可以在波导（23）上传播。 由于空隙的周期不同，在波导上传播的光的波长带在区域（31）和区域（32,33）之间不同。 因此，包括在区域（31）的波导传输波段中但未包含在区域（32,33）的波导传输波段中的波长的光被限制在区域（31）的波导中并且谐振 。 区域（31）的波导因此用作谐振器。