Silicon-Based Arrayed waveguide gratings for WDM and
We compare the performance of silicon-based arrayed waveguide gratings (AWGs) with star couplers of Rowland and Confocal configurations, respectively, for both TE and TM polarizations.
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Arrayed waveguide gratings (AWG) are commonly used as optical (de)multiplexers in wavelength division multiplexed (WDM) systems. It is usually built as part of a planar lightwave circuit (photonic integrated circuit), where the light coming from an input fiber first enters a multimode. Component-level simulations using varFDTD are carried out for more realistic results. It is a very powerful integrated light-dispersion technology with sig-nificant exibility for tailoring its performance to the individual.
