Photonic Chip Based on Ultrafast Laser-Induced Reversible Phase Change for Convolutional Neural Network.

ABSTRACT: Photonic computing has emerged as a promising technology for the ever-increasing computational demands of machine learning and artificial intelligence. Due to the advantages in computing speed, integrated photonic chips have attracted wide research attention on performing convolutional neural network algorithm. Programmable photonic chips are vital for achieving practical applications of photonic computing. Herein, a programmable photonic chip based on ultrafast laser-induced phase change is fabricated for photonic computing. Through designing the ultrafast laser pulses, the Sb film integrated into photonic waveguides can be reversibly switched between crystalline and amorphous phase, resulting in a large contrast in refractive index and extinction coefficient. As a consequence, the light

SUBMITTER: Xie J 

PROVIDER: S-EPMC11896963 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature