Generation of Schro¨dinger's cat state in an optical double sideband mode

Serikawa, Takahiro; Yoshikawa, Jun ichi; Yonezawa, Hidehiro; Ralph, Timothy C.; Huntington, Elanor H.; Furusawa, Akira

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Generation of Schro¨dinger's cat state in an optical double sideband mode

Date

2018

Authors

Huntington, Elanor H.

Furusawa, Akira

Abstract

An optical Schro¨digner's cat state is generated in 500.6MHz 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.