hi FAYIQA NAQSHBANDI ma’m
Okk Ma’m
I agree with your points.
As AWG works on principle of interferometry. It is widely used as optical multiplexer and optical demultiplexer.
The following links help me to understand the above points , which i am sharing
http://www.rfwireless-world.com/Terminology/What-is-Optical-AWG-Arrayed-Waveguide-Grating.html
http://www.flyinoptronics.com/40-ch-100g-awg-dwdm-mux-demux.html
http://www.fiberdyne.com/products/awg-dwdm-field-modules.html
Thank you ma’m