Design of Optical 2-Channel Demultiplexer Using Selective Optofluidic Infiltration within Photonic Crystal Structure

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2020-09
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Společnost pro radioelektronické inženýrství
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Abstract
In the current study, a compact demultiplexer for telecommunication applications using 2D photonic crystals with a hexagonal lattice structure is presented. This demultiplexer consists of two L6 resonant cavities as filters and 6 holes around each cavity for optofluidic infiltration. Through the use of this structure, the communication wavelengths of 1550 nm and 1567 nm with the transmission coefficient of 84% and 96% respectively can be selected without any change on the size of radius of holes. The average value of crosstalk between two channels is -18.35(dB). The plane wave expansion method is employed in order to extract the photonic band gap and the finite difference time domain method is implemented to study the behavior of propagation of light in the structure.
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Radioengineering. 2020 vol. 29, č. 3, s. 431-437. ISSN 1210-2512
https://www.radioeng.cz/fulltexts/2020/20_03_0431_0437.pdf
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en
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Creative Commons Attribution 4.0 International license
http://creativecommons.org/licenses/by/4.0/
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