Multi-Photon Subtraction from Squeezed Light toward Full Quantum State Engineering
Mamoru Endo, Takefumi Nomura, Tatsuki Sonoyama, Kazuma Takahashi, Kosuke Fukui, Takahiro Kashiwazaki, Asuka Inoue, Takeshi Umeki, Sachiko Takasu, K. Hattori, Daiji Fukuda, Rajveer Nehra, Petr Marek, Radim Filip, Kan Takase, Warit Asavanant, Akira Furusawa · Quantum 2.0 Conference and Exhibition · 2024
We have applied up to four annihilation operations to squeezed light by photon subtraction. The presence of negative values in the Wigner function for all states indicates the successful implementation of quantum manipulation.