[TuP-E] Poster Session 1

[TuP-E-7] Algorithm-Enhanced Ultrahigh Resolution and Broadband Spectrometer Using Dual Subwavelength-grating-assisted Microring Resonators

○Hao Deng¹, Tong Lin¹, Junpeng Lu¹, Zhenhua Ni¹ (1. Southeast university (China))

Keywords:

Advanced passive devices

We demonstrate a chip-scale spectrometer based on subwavelength grating microring resonators, achieving a bandwidth of 114 nm and a resolution of 40 pm. Using a spectral reconstruction algorithm, the resolution is enhanced to 10 pm.