Xianxiu Zhang, Cunyi Wang, Pei Yuan, Dongliang Zhang, Yongqian Wang. Array Waveguide Gratings for FBG Demodulation Design and Performance Analysis[J]. Laser & Optoelectronics Progress, 2021, 58(9): 0923002
- Laser & Optoelectronics Progress
- Vol. 58, Issue 9, 0923002 (2021)
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
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
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Table 1. Main parameters of AWG
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