Control of superposition states of continuous variables by photon counting and filtering with cw squeezed light
Masahide Sasaki, Hiroyuki Takahashi, Kentaro Wakui, Masahiro Takeoka, S. Suzuki, K. Hayasaka · International Conference on Quantum Information · 2008
The two-photon subtraction from overlappping squeezed packets generates temporally multiplexed superposition states of continuous variables with a designated time separation. In an appropriate mode an amplified superposition state is produced due to bosonic quantum interference.