Self-assembly of three-dimensional photonic crystals on structured silicon wafers | Zendy

Patrick Ferrand | Zendy; M. Egen | Zendy; B. Griesebock | Zendy; Jouni Ahopelto | Zendy; Manfred Müller | Zendy; Rudolf Zentel | Zendy; S. G. Romanov | Zendy; C. M. Sotomayor Torres | Zendy

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Self-assembly of three-dimensional photonic crystals on structured silicon wafers

Author(s) -

Patrick Ferrand,

M. Egen,

B. Griesebock,

Jouni Ahopelto,

Manfred Müller,

Rudolf Zentel,

S. G. Romanov,

C. M. Sotomayor Torres

Publication year - 2002

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1513212

Subject(s) - photonic crystal , wafer , silicon , materials science , photonics , self assembly , optoelectronics , lattice (music) , substrate (aquarium) , silicon photonics , band gap , lattice constant , polymer , optics , nanotechnology , composite material , diffraction , physics , oceanography , geology , acoustics

International audienceThe growth of an opal-like polymer photonic crystal (PhC) on deeply etched silicon wafers is reported. It is shown that 10 micrometer deep trenches, as narrow as 10 micrometer can be uniformly filled by self-assembly of microspheres, in a close-packed face-centered-cubic lattice. These observations areconfirmed by optical reflectance measurements in the visible range, in agreement with theoretical calculations of the photonic band gap. A slight fluctuation of the lattice parameter is noticed in the case of the narrowest channels. The possibility to detach the PhC from the substrate is also demonstrated. The potential of this approach for building complex PhC-based complex architectures is discussed

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