Photon Localisation in Ordered Packages of Granular Semiconductors
Tóm tắt
The anisotropic photonic crystals have been prepared by impregnating the interstitial voids of synthetic opals with CdS and ZnS. The interplay of coherent and incoherent scattering has been traced by reflectance and photoluminescence (PL) spectroscopy. The reduction of anisotropy of the photonic bandgap (PBG) structure with increasing loading has been observed, as compared with bare opal. The interplay between the photonic and electronic energy structures of the composite material results in an amplified spontaneous emission (ASE).
Tài liệu tham khảo
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