-
28浏览
-
0点赞
-
0收藏
-
0分享
-
111下载
-
0评论
-
引用
期刊论文
Epitaxial SiGeC Waveguide Photodetector Grown on Si Substrate with Response in the 1.3-1.55-m Wavelength Range
IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 9, NO.2, FEBRUARY 1997,-0001,():
A Si-based waveguide photodetector with a response in the 1.3-1.55-m wavelength range is demonstrated. The active absorption layer of the pin photodiode consists of a SiGeC alloy epitaxially grown on a Si substrate with a Ge content of 55% and a thickness of 800 A℃. The external quantum efficiency for a 400-m-long waveguide, measured by using a single-mode fiber coupled to the waveguide facet, is 0.2% at 1.55m. The dark current density at peak photoresponse is 40pA/m2. The quantum efficiency can be further enhanced by using multiple SiGeC layers as the absorber. Direct measurements of the absorption coefficient for the alloy layer are also reported.
【免责声明】以下全部内容由[黄风义]上传于[2005年01月28日 21时43分48秒],版权归原创者所有。本文仅代表作者本人观点,与本网站无关。本网站对文中陈述、观点判断保持中立,不对所包含内容的准确性、可靠性或完整性提供任何明示或暗示的保证。请读者仅作参考,并请自行承担全部责任。
本学者其他成果
同领域成果