Multichannel filtering properties of a one dimensional photonic crystal containing semiconductor photonic quantum well defect were theoretically investigated in the infrared region. We have considered two possible structures of photonic quantum P Q P P Q P well, symmetric ((AB) (C C ) (BA) ) and asymmetric ((AB) (C C ) (AB) ). It was found that, for a symmetric 1 2 1 2 structure number of channels equal to Q +1 whereas for asymmetric structure channel number is Q. Further it was observed that the position of channels can be tuned by means of temperature variations in semiconductor material. In addition, more channels can be generated by the use of a double photonic quantum well defect. Keywords Multichannel filter · Photonic quantum well · Defect mode 1 Introduction of PC containing PQW is that the pass band structure (PBS) of PQW (C C ) must be completely inside the 1 2 P P Q P Photonic crystal (PCs) are artificial materials with periodic PBG of (AB) . Thus, when (AB) (C C ) (BA) 1 2 P Q P multilayer structure. One of the most significant optical or (AB) (C C ) (AB) (with Q<P ) structures are
Silicon – Springer Journals
Published: Jun 4, 2018
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