[P-CM11] C11. Semiconductor and Integrated Optical Devices

[P-CM11-06] An Optical Filter Based on Sidewall Long-Period Grating in Lithium Niobate on Insulator

*li jun hui¹, wang meng ke ¹, chen kai xin¹ (1. University of Electronic Science and Technology of China (China))

[Presentation Style] Online

We propose an optical filter based on sidewall long-period waveguide grating with metal absorption layer in lithium niobite-on-insulator. Our designed filter achieves an extinction ratio >30 dB at 1550 nm wavelength and a 3-dB bandwidth of 78 nm.