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Optical Engineering

Side-scattering properties of a novel waveguide multilayer memory
Author(s): Tao Yang; Zhongcheng Liang; Weiping Qin; Xiangbao Cai; Jiabi Chen; Songlin Zhuang
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Paper Abstract

The signal of a novel waveguide multilayer memory (WMM) is the side-scattered beam emitted from information pits. Side scattering plays a key role in the data readout of the WMM. In this paper, a model is proposed to investigate the side-scattering properties of the WMM. We not only theoretically and experimentally confirm the exponential attenuation distribution of the side-emission scattered light intensity of a waveguide with constant attenuation coefficient, but also deduce an expression for the relation between the attenuation coefficient and the light propagation distance of a waveguide with distributed attenuation coefficient when the side-scattered light intensity is uniform. Furthermore, a possible method to realize the uniformity of the side-emitted light intensity is demonstrated. These results will contribute to the improvement of the performance of the WMM.

Paper Details

Date Published: 1 September 2006
PDF: 6 pages
Opt. Eng. 45(9) 095201 doi: 10.1117/1.2353839
Published in: Optical Engineering Volume 45, Issue 9
Show Author Affiliations
Tao Yang, Nanjing Univ. of Posts and Telecommunications (China)
Zhongcheng Liang, Nanjing Normal Univ. (China)
Weiping Qin, Nanjing Univ. of Posts and Telecommunications (China)
Xiangbao Cai, Nanjing Univ. of Posts and Telecommunications (China)
Jiabi Chen, Univ. of Shanghai for Science and Technology (China)
Songlin Zhuang, Univ. of Shanghai for Science and Technology (China)


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