- Disorder induced modification of reflection and transmission spectra of a two-dimensional photonic crystal with an incomplete band-gap doi link

Auteur(s): Beggs Dm, Kaliteevski Ma, Brand S., Abram Ra, Cassagne D., Albert Jean-paul

(Article) Publié: Journal Of Physics: Condensed Matter, vol. 17 p.4049-4055 (2005)

Ref HAL: hal-00437959_v1
DOI: 10.1088/0953-8984/17/26/005
WoS: 000231847900007
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Transmission and reflection of light in disordered two-dimensional photonic crystals with an incomplete photonic band-gap have been modelled for various levels of disorder. It is found that ballistic and scattered light display different behaviours as a function of the disorder parameter. For ballistic light, the dependence of the transmission coefficient on the disorder parameter exhibits a threshold-like behaviour, whereas the transmission of scattered light increases rapidly for small disorder. Unlike for photonic crystals with a complete bandgap, the minimum of the transmission for scattered light does not coincide with the centre of the photonic band-gap, and Fabry-Perot-type oscillations can be seen within the photonic band-gap.