Fig. 1. AWG wavelength demodulation system. (a) Basic component; (b) schematic of principle

Fig. 2. Relationship between AWG demodulation function and FBG central wavelength at different crosstalk

Fig. 3. Relationship between AWG demodulation function and FBG central wavelength at different insertion loss

Fig. 4. Relationship between AWG demodulation function and FBG central wavelength at different half-peak full widths

Fig. 5. Relationship between normalized power of waveguide output and bending radius

Fig. 6. Relationship between normalized output power of waveguide and length of tapered waveguide

Fig. 7. Simulation results of light field coupling of adjacent waveguides. (a) Waveguide spacing is 5μm; (b) waveguide spacing is 10μm; (c) relationship between waveguide spacing and normalized power

Fig. 8. Variation of output waveforms with different array waveguide numbers

Fig. 9. Variation of output waveform of different diffraction orders

Fig. 10. Variation of output waveform with different opening widths

Fig. 11. AWG map and spectrum. (a) AWG design layout; (b) AWG spectrogram