Shenzhen Key Laboratory of Advanced Quantum Functional Materials and Devices and Department of Physics;
Southern University of Science and Technology;
Shenzhen 518055;
China;
Key Laboratory of Materials Physics;
Institute of Solid State Physics;
HFIPS;
Chinese Academy of Sciences;
Hefei 230031;
China;
University of Science and Technology of China;
Hefei 230026;
China;
Great Bay Area Research Institute;
Aerospace Information Research Institute(AIR)of Chinese Academy of Science(CAS);
Guangzhou 510700;
China;
Shenzhen Institute for Quantum Science and Engineering and Department of Physics;
Southern University of Science and Technology;
Shenzhen 518055;
China;
International Quantum Academy;
and Shenzhen Branch;
Hefei National Laboratory;
Futian District;
Shenzhen 518048;
China;
School of Materials Science and Engineering;
Peking University;
Beijing 100871;
China;
platinum disulfide(PtS_(2)); chemical vapor deposition; electronic transition; saturable absorption; optical pump-probe spectroscopy;