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Title: Silicon and porous silicon mid-infrared photonic crystals
Authors: Dang, Z.
Banas, A. 
Azimi, S.
Song, J.
Breese, M. 
Yao, Y.
Turaga, S.P.
Recio-Sánchez, G.
Bettiol, A. 
Kan, J.V. 
Issue Date: Sep-2013
Citation: Dang, Z., Banas, A., Azimi, S., Song, J., Breese, M., Yao, Y., Turaga, S.P., Recio-Sánchez, G., Bettiol, A., Kan, J.V. (2013-09). Silicon and porous silicon mid-infrared photonic crystals. Applied Physics A: Materials Science and Processing 112 (3) : 517-523. ScholarBank@NUS Repository.
Abstract: A 3D silicon micromachining method based on proton beam writing combined with electrochemical anodization of p-type silicon enables fabrication of mid-infrared photonic crystals made of silicon and porous silicon. Here, example structures of silicon 1D and 2D photonic crystals are demonstrated. Progress and problems of fabricating 3D photonic crystals made of silicon are discussed. The strategy of fabricating photonic crystals purely made of porous silicon, and the characterization method of all these mid-infrared structures, are discussed. Due to the flexibility of this fabrication method, photonic devices and integrated photonic circuits may be built on a single chip, for which two 2D silicon photonic crystals with one on top of the other are demonstrated. © 2013 Springer-Verlag Berlin Heidelberg.
Source Title: Applied Physics A: Materials Science and Processing
ISSN: 09478396
DOI: 10.1007/s00339-013-7782-4
Appears in Collections:Staff Publications

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