Optical Instruments, Volume. 47, Issue 3, 9(2025)
Design and fabrication of asymmetric grating filter based on phase apodization modulation
Fig. 1. Schematic diagram of the asymmetric waveguide grating filter
Fig. 2. Simulated spectra for the asymmetric waveguide grating filter
Fig. 3. Microscopice image of the fabricated asymmetric waveguide grating filter chip
Fig. 4. SEM images of the asymmetric waveguide grating filter chip
Fig. 5. Measured normalized spectra of asymmetric waveguide grating filter chip
Fig. 6. Simulated transmission spectra and electric field distribution of the sinusoidal-shaped sidewall ridge grating
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Wei JIANG, Shuo YUAN, Zhiheng YU, Cunliang YANG, Wenbo REN, Xincheng XIA, Zhengjie WANG, Jijun FENG. Design and fabrication of asymmetric grating filter based on phase apodization modulation[J]. Optical Instruments, 2025, 47(3): 9
Received: Mar. 13, 2024
Accepted: --
Published Online: Jul. 28, 2025
The Author Email: Jijun FENG (fjijun@usst.edu.cn)