Fig. 15
DONNs implementation by on-chip diffractive metalines. a Simulation verification of on-chip DONN107. b Simulation structure and design model of on-chip DONN108. c On-chip DONN experimental verification and input signal system diagram110. d On-chip DONN experimental testing set-up and error compensation system diagram115. a Reproduced with the permission from ref. 107 from © Optical Society of America. b Reproduced with the permission from ref. 108 from © Optical Society of America. c Reproduced from ref. 110 with permission of Springer Nature: Nature Communications. d Reproduced from ref. 115 with permission of Springer Nature: Nature Communications
