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Proceedings Paper

Photonic crystal slab made from porous silicon
Author(s): W. H. Zheng; P. Reece; M. Gal
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Paper Abstract

The concept of photonic crystal (PC) was raised by E.Yablonovitch and S.John respectively in 1989. Since then on, photonic crystal made tremendous progress in the research and application. Photonic crystal is not some kind of new materials but periodic dielectric materials. We have designed, fabricated photonic crystal slab (PCS) based on porous silicon. These alternating dielectric porous silicon layers show a band gap in one direction. Incident light is reflected for colors of light in the band gap, so porous silicon photonic crystal slabs have high reflection in the range of band gap. By mean of electrochemical lift-off, the PCS could be removed from silicon substrate, and PC band gap could be observed clearly in the reflectivity spectra.

Paper Details

Date Published: 8 December 2004
PDF: 5 pages
Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); doi: 10.1117/12.608682
Show Author Affiliations
W. H. Zheng, Univ. of New South Wales (Australia)
Institute of Semiconductors, CAS (China)
P. Reece, Univ. of New South Wales (Australia)
M. Gal, Univ. of New South Wales (Australia)

Published in SPIE Proceedings Vol. 5774:
Fifth International Conference on Thin Film Physics and Applications
Junhao Chu; Zongsheng Lai; Lianwei Wang; Shaohui Xu, Editor(s)

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