| Citation: |
Chen Zhiwen, Li Zhangjian, Zhu Qile, Zhao Yuzhou, Lin Xubin, Li Jing, Cai Zhigang, Wang Gang, Li Baojun. Theoretical Analysis and Design of Si-based Micro- and Nano- Integrated Optical Waveguides[J]. Journal of Semiconductors, 2005, In Press.
Chen Z W, Li Z J, Zhu Q L, Zhao Y Z, Lin X B, Li J, Cai Z G, Wang G, Li B J. Theoretical Analysis and Design of Si-based Micro- and Nano- Integrated Optical Waveguides[J]. Chin. J. Semicond., 2005, 26(13): 229.
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Theoretical Analysis and Design of Si-based Micro- and Nano- Integrated Optical Waveguides
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Abstract
A micro- and nano- integrated optical waveguide configuration is proposed and theoretically designed.It consists of a straight section (10μm in width),an exponential section (gradual change in width from 10μm to 500nm),and a straight section (1μm,800nm,and 500nm in width).The results are compared with those of conventional tapered and lensed waveguide configurations and show that the proposed exponential configurations have higher performances than tapered and lensed ones.Its fabrication technology is as same as the tapered one or even simpler than the lensed one.This micro- and nano-integrated waveguide is very easy to couple light bean from a single mode fiber into a photonic crystal device.It has potential applications in next generation of all optical communications systems -
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