Photoabsorption Spectrum of Atom Hydrogen Driven by the Combination of a XUV Pulse and a Synthesized Optical Attosecond Pulse (SOAP). - Yang, Zeng-Qiang; Wang, Tong-Le; Zhan, Bing-Kun; Wang, Da-Xin; Zhang, Kai-Wen; Zhang, Xiao-Fei (Photonics, 2026)