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Deutsche Physikalische Gessellschaft IOP Institute of Physics

Engineering an achromatic photonic crystal waveplate

D R Solli1 and J M Hickmann2,3

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We have experimentally demonstrated that two-dimensional, dielectric photonic crystals can display large, but non-dispersive, birefringences in the transparent region below the first stopband. This frequency-independent birefringence extends from zero frequency to the band edge. We show that this property can be used to construct achromatic waveplates. Numerical simulations agree very well with our experimental results, and provide further insights into the design of photonic crystal waveplates. Photonic crystal achromatic waveplates may have important practical applications in polarization control.


PACS

42.70.Qs Photonic bandgap materials

78.20.Fm Birefringence

42.15.Eq Optical system design

42.79.Ci Filters, zone plates, and polarizers

Subjects

Condensed matter: electrical, magnetic and optical

Optics, quantum optics and lasers

Dates

Issue 8 (August 2006)

Received 18 April 2006

Published 10 August 2006



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