通过3D光子晶体控制光辐射
Shinpei Ogawa1, Masahiro Imada, Susumu Yoshimoto
1Department of Electronic Science and Engineering, Kyoto University, Kyoto 615-8510, Japan.
Science (New York, N.Y.)
|June 5, 2004
概括
研究人员使用化制造了3D光子晶体,以控制光通信波长的光辐射. 晶体内的点缺陷允许可调节的光辐射,证明了光子设备的潜力.
科学领域:
- 光子学是指光子学的使用方法.
- 材料科学 材料科学 材料科学
- 光电学是指光电子产品.
背景情况:
- 三维 (3D) 光子晶体提供独特的光操纵特性.
- 控制特定波长的光辐射对于光通信至关重要.
- 人工点缺陷可以在光子晶体内创建局部化的光学模式.
研究的目的:
- 用于制造具有集成发光层的3D光子晶体.
- 为了研究这些晶体内的人造点缺陷的光学特性.
- 为了证明光通信波长的光辐射控制.
主要方法:
- 使用堆叠的0.7微米周期化层制造3D"木"光子晶体.
- 加入-化-化量子井层,用于在1.55微米处发射光.
- 在发光层内创建不同大小的人工点缺陷腔.
主要成果:
- 成功制造了多达九层堆叠的3D光子晶体.
- 在批量光子晶体区域观察到光辐射的抑制.
- 在人造点缺陷处展示了尺寸依赖的腔模式.
结论:
- 有人工点缺陷的3D光子晶体可以控制光辐射.
- 观察到的空洞模式可以根据缺陷大小进行调整,这与光学设备有关.
- 这项工作显示出开发光通信新型光子组件的前景.
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