Heatless Arrayed Waveguide Grating (AAWG) modules, which use mechanical compensation to minimize the effect of wavelength drift caused by temperature changes in the chip, do not require additional power supply, and have high stability and reliability performance. These design of these devices are based on an. g and dispersive properties. AWGs were first reported by Smit (1988) and later by. Calculate the response of a 1x8 arrayed waveguide grating (AWG) working as a demultiplexer. It is a very powerful integrated light-dispersion technology with sig-nificant exibility for tailoring its performance to the individual. The invention relates to a wavelength division multiplexing system technology, in particular to a mechanical compensation type athermal array waveguide grating and a preparation process thereof, wherein the waveguide grating comprises an input optical fiber array, an output optical fiber array, a.
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