Circular dichroism in biological hotonic Crystals and Cubic Chiral Nets

M. Saba; M. Thiel; M.D. Turner; S.T. Hyde; M. Gu; K. Grosse-Brauckmann; D.N. Neshev; K. Mecke; G.E. Schröder-Turk

doi:10.1103/PhysRevLett.106.103902

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Circular dichroism in biological hotonic Crystals and Cubic Chiral Nets

Journal article

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Circular dichroism in biological hotonic Crystals and Cubic Chiral Nets

M. Saba, M. Thiel, M.D. Turner, S.T. Hyde, M. Gu, K. Grosse-Brauckmann, D.N. Neshev, K. Mecke and G.E. Schröder-Turk

Physical Review Letters, Vol.106(10)

2011

DOI: https://doi.org/10.1103/PhysRevLett.106.103902

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Abstract

Nature provides impressive examples of chiral photonic crystals, with the notable example of the cubic so-called srs network (the label for the chiral degree-three network modeled on SrSi2) or gyroid structure realized in wing scales of several butterfly species. By a circular polarization analysis of the band structure of such networks, we demonstrate strong circular dichroism effects: The butterfly srs microstructure, of cubic I4132 symmetry, shows significant circular dichroism for blue to ultraviolet light, that warrants a search for biological receptors sensitive to circular polarization. A derived synthetic structure based on four like-handed silicon srs nets exhibits a large circular polarization stop band of a width exceeding 30%. These findings offer design principles for chiral photonic devices.

Details

Title: Circular dichroism in biological hotonic Crystals and Cubic Chiral Nets
Authors/Creators: M. Saba (Author/Creator) - Friedrich-Alexander-Universität Erlangen-Nürnberg
M. Thiel (Author/Creator) - Karlsruhe Institute of Technology
M.D. Turner (Author/Creator) - Swinburne University of Technology
S.T. Hyde (Author/Creator) - Australian National University
M. Gu (Author/Creator) - Swinburne University of Technology
K. Grosse-Brauckmann (Author/Creator) - TU Darmstadt
D.N. Neshev (Author/Creator) - Australian National University
K. Mecke (Author/Creator) - Friedrich-Alexander-Universität Erlangen-Nürnberg
G.E. Schröder-Turk (Author/Creator) - Friedrich-Alexander-Universität Erlangen-Nürnberg
Publication Details: Physical Review Letters, Vol.106(10)
Publisher: American Physical Society
Identifiers: 991005546071007891
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 5 Physics; 5.38 Optical Electronics & Engineering; 5.38.991 Photonic Crystals
Web Of Science research areas: Physics, Multidisciplinary
ESI research areas: Physics