Kicked nonlinear quantum scissors and entanglement generation

Abstract

We consider a nonlinear coupler with two Kerr-like oscillators mutually coupled by continuous linear interaction and excited by a series of ultra-short external pulses. We show that the system behaves as nonlinear quantum scissors. It evolves such a way that it can be treated as qubit-qubit system. We derive analytic formulas for the probabilities of the states involved in the system's evolution and show that they differ from those already discussed in the literature and corresponding to the continuously excited models. Moreover, for model discussed here, maximally entangled Bell states can be generated with high efficiency.

References in corpus (8)

• Two-photon and three-photon blockades in driven nonlinear systems
• Generation of discrete superpositions of coherent states in the anharmonic oscillator model
• Quantum scissors - finite-dimensional states engineering
• Photon-number entangled states generated in Kerr media with optical parametric pumping
• Generation of Three-Qubit Entangled W-State by Nonlinear Optical State Truncation
• Spatial properties of entangled photon pairs generated in nonlinear layered structures
• Squeezing in multi-mode nonlinear optical state truncation
• Squeezing properties of the Kerr-down conversion system