发明名称 |
TWO-DIMENSIONAL PHOTONIC CRYSTAL WITH AIR BRIDGE STRUCTURE AND MANUFACTURING METHOD FOR THE CRYSTAL |
摘要 |
<p>The present invention intends to provide a two-dimensional photonic crystal having a high level of mechanical strength and functioning as a high-efficiency resonator. The two-dimensional photonic crystal according to the present invention includes a slab layer 31 under which a clad layer 32 is located. In the slab layer 31, areas 35 having a refractive index different from that of the slab layer 31 are cyclically arranged to create a two-dimensional photonic crystal. A portion of the cyclic arrangement of the areas 35 are omitted to form a point-like defect 36. This defect 36 functions as a resonator at which a specific wavelength of light resonates. An air-bridge cavity 37 facing the point-like defect 36 is formed over a predetermined range of the clad layer 32. In this construction, the clad layer 32 supports the slab layer 31 except for the range over which the air-bridge space 37 is formed. Therefore, the two-dimensional photonic crystal has a high level of mechanical strength. The presence of the air-bridge space 37 under the point-like defect 36 makes it easy to confine light at the point-like defect 36 by the difference in the refractive index between the slab layer 31 and the air. Thus, the point-like defect 36 functions as a high-performance resonator.</p> |
申请公布号 |
EP1666940(A4) |
申请公布日期 |
2007.10.17 |
申请号 |
EP20040772361 |
申请日期 |
2004.08.27 |
申请人 |
KYOTO UNIVERSITY;TDK CORPORATION |
发明人 |
HATSUDA, RANKO;NODA, SUSUMU;ASANO, TAKASHI;TANAKA, YOSHINORI;MIYAI, EIJI |
分类号 |
G02B6/12;G02B6/122;G02B6/13 |
主分类号 |
G02B6/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|