Generation of a stable squeezed light for continuous-variable quantum interference

Akira Furusawa, Alexander I. Lvovsky

Akira Furasawa

Benjamin Lindegren Larsen

Harry J. Kimble

Masahide Sasaki, Hiroyuki Takahashi, Kentaro Wakui +3 more

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.

Masahide Sasaki, Masahiro Takeoka, Hiroki Takahashi

We study non-Gaussian states generated by two-photon subtraction from a continuous-wave (cw) squeezed light source. In a cw scheme, one can subtract two photons from the source with a designated time separation and can generate temporally multiplexed superposition states of continuous variables. We numerically study the properties of these states in light of bosonic interference in the time domain. In an appropriate temporal mode, an amplified superposition state of continuous variable is produced in a region where the time separation is comparable with the coherence time of squeezed packets.