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Three-Dimensional Macroporous Silicon Photonic Crystal with Large Photonic Band Gap

Research Area: Nanophotonics Year: 2005
Type of Publication: Article Keywords: silicon, elemental semiconductors, porous semiconductors, photonic crystals, photonic band gap, focused ion beam technology, drilling, etching, lattice constants, Brillouin zones, reflectivity
Authors: Schilling, Joerg; White, J.; Scherer, Axel; Stupian, G.; Hillebrand, R.; Gosele, U.
Journal: Applied Physics Letters Volume: 86
Number: 1 Pages: 011101
Month: January
Three-dimensional photonic crystals based on macroporous silicon are fabricated by photoelectrochemical etching and subsequent focused-ion-beam drilling. Reflection measurements show a high reflection in the range of the stopgap and indicate the spectral position of the complete photonic band gap. The onset of diffraction which might influence the measurement is discussed.
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