Experimental realization of an orthogonal-state-encoding quantum cryptography system driven by broadband quantum memoryRemoveMingshuo Sun, Chunhui Zhang, Zhiyuan Zhou, Yun Liu, Gaoxiang Fu, Lechen Xu, Yizhen Luo, Guigen Zeng, Jian Li, and Qin WangPhys. Rev. A 114, 022439 (2026)