@article{nearfieldwidebandsecurecommunicationsan, title = {Near-Field Wideband Secure Communications: An Analog Beamfocusing Approach}, author = {Yuchen Zhang and Haiyang Zhang and Sa Xiao and Wanbin Tang and Yonina C. Eldar}, year = {2023}, eprint = {2311.08738}, archivePrefix = {arXiv}, url = {https://arxiv.org/abs/2311.08738v2}, }