Generation of Schrödinger’s cat state in an optical double sideband mode
Takahiro Serikawa, Jun–ichi Yoshikawa, Hidehiro Yonezawa, Timothy C. Ralph, Elanor H. Huntington, Akira Furusawa · Conference on Lasers and Electro-Optics · 2018
An optical Schrodigner's cat state is generated in 500.6 MHz double sideband mode of continuous wave light. We used phase modulation to selectively subtract a photon from sideband. The reconstructed Wigner function exhibits a significant negativity of -0.088 ± 0.001 without any correction.