Refraction-based photonic crystal diode

Ahmet Cicek, Melike B. Yucel, Olgun Adem Kaya, Bulent Ulug

Araştırma sonucu: Dergi katkısıMakalebilirkişi

58 Alıntılar (Scopus)

Özet

A system composed of air holes in a dielectric host to form two square photonic crystals, with the same orientation and lattice constant but different scatterer radii, making an interface along their body diagonals, is numerically demonstrated to facilitate unidirectional light transmission. Band structure computations are carried out via the plane wave expansion method, whereas finite-difference time-domain simulations are carried out to investigate the transient behavior. Unidirectional light transmission is achieved over two adjacent stop bands along the ?X direction, which are circumvented in the forward direction by scaling down the wave vector and rotating the surface normal. Contrast ratios as high as 0.9 are attained within the lower stop band.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)2937-2939
Sayfa sayısı3
DergiOptics Letters
Hacim37
Basın numarası14
DOI'lar
Yayın durumuYayınlanan - 15 Tem 2012
Harici olarak yayınlandıEvet

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