Presentation Information
[TuP-E-7]Algorithm-Enhanced Ultrahigh Resolution and Broadband Spectrometer Using Dual Subwavelength-grating-assisted Microring Resonators
○Hao Deng, Tong Lin, Junpeng Lu, Zhenhua Ni (Southeast Univ.)
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.