Unidirectional image magnification and demagnification using pyramid diffractive optical networks
Bijie Bai, Xilin Yang, Tianyi Gan, Jingxi Li, Deniz Mengü, Mona Jarrahi, Aydogan Özcan · 2024
We introduce a pyramid-structured deep diffractive optical network (P-D2NN) design that performs unidirectional image magnification and demagnification using reduced degrees of freedom. Experimental validation at terahertz spectrum demonstrates the efficacy of this design strategy.