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Optoelectronic integration technologies based on silicon-on-insulator (SOI) can bring revolutionary change to on-chip arrayed waveguide grating (AWG) demodulation systems. In this study, we present several ultrasmall 1 x N AWGs for an SOI-based AWG demodulation integration microsystem of different scales. The core sizes of the fabricated AWGs are smaller than 400 x 600 &#x03BC;m<sup>2</sup>. Experimental results match the simulation results, indicating that AWGs have a good transmission spectrum of low crosstalk below -20 dB and low insertion loss below -6.5 dB. The fabricated AWGs can be perfectly applied to improve the integration level and performance of the SOI-based AWG demodulation integration microsystem.

ieee photonics journal

Investigation of Ultrasmall <inline-formula> <tex-math notation="LaTeX">$1\times N$</tex-math></inline-formula> AWG for SOI-Based AWG Demodulation Integration Microsystem

Investigation of Ultrasmall $1\times N$ AWG for SOI-Based AWG Demodulation Integration Microsystem