DPG Phi
Verhandlungen
Verhandlungen
DPG

Hamburg 2001 – wissenschaftliches Programm

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HL: Halbleiterphysik

HL 7: Poster I

HL 7.26: Poster

Montag, 26. März 2001, 10:30–19:00, Rang S\ 3

Silicon based photonic crystals made by electrochemistry and plasmaetching — •Cecile Jamois1, Jörg Schilling1, Frank Müller1, Ralf B. Wehrspohn1, Manfred Reiche1, and Chandra Sekhar Thirumalai21MPI of Microstructure Physics Weinberg 2, D-06120 Halle, Germany — 2Department of Physics, Martin-Luther University Halle, Germany

We compare different strategies of preparing photonic crystals based on silicon. Electrochemical etching is known to prepare very perfect two-dimensional photonic crystals having smooth surfaces, very high aspect ratio and interpore distances down to 500 nm [1]. On the other hand, we prepare plasma etched silicon photonic crystals by ICP-etching. Plasma etching allows to prepare thin silicon photonic crystals embedded in an oxide matrix. The quality of the two different structures are compared.
Theoretical design studies for embedded photonic crystals will be also presented.
[1] J. Schilling, A. Birner, F. Müller, R.B. Wehrspohn, R. Hillebrand, U. Gösele, K. Busch, S. John, S.W. Leonard, and H.M. van Driel, to be published

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DPG-Physik > DPG-Verhandlungen > 2001 > Hamburg