17 June 2009 Fabrication and optical characteristics of silicon-based two-dimensional photonic crystal wavelength division multiplexing splitter
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Abstract
Photonic crystals have many potential applications because of their ability to control light-wave propagation. In this paper, we have investigated PC-based optical waveguides implemented into wavelength division multiplexing (WDM) systems. The WDM splitters based on a PC waveguide coupler with square lattice are proposed. Their wavelength multiplexing properties are numerically investigated by using the finite-difference time-domain method. Rod-type photonic crystal structures were fabricated in silicon by electron beam lithography and dry-etching techniques. The WDM splitters were fabricated from two-dimensional photonic crystal waveguides. Transmission spectra were calculated by using finite-difference time-domain method. The WDM splitters can be used in infrared region. Such an approach to photonic element systems should enable new applications for designing components in photonic integrated circuits.
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Cheng-Yang Liu, Cheng-Yang Liu, } "Fabrication and optical characteristics of silicon-based two-dimensional photonic crystal wavelength division multiplexing splitter", Proc. SPIE 7389, Optical Measurement Systems for Industrial Inspection VI, 73892D (17 June 2009); doi: 10.1117/12.826668; https://doi.org/10.1117/12.826668
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