@article{gradientsofunitaryopticalneuralnetworks, title = {Gradients of unitary optical neural networks using parameter-shift rule}, author = {JinZhe Jiang and YaQian Zhao and Xin Zhang and Chen Li and Yunlong Yu and Hailing Liu}, year = {2025}, eprint = {2506.11565}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2506.11565v1}, }