Entanglement generation in two coupled second-harmonic generators

Jiř Herec; Jaromír Fiurášek; Ladislav Mišta Jr.

doi:10.1117/12.638810

6 December 2006 Entanglement generation in two coupled second-harmonic generators

Jiř Herec, Jaromír Fiurášek, Ladislav Mišta Jr.

Proceedings Volume 5945, 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 594506 (2006) https://doi.org/10.1117/12.638810
Event: 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2005, Nitra, Slovakia

Abstract

We investigate a compact source of entanglement. This device is composed of a pair of linearly coupled nonlinear waveguides operating by means of degenerate parametric downconversion. For the vacuum state at the input the generalized squeeze variance and logarithmic negativity are used to quantify the amount of nonclassicality and entanglement of output beams. Squeezing and entanglement generation for various dynamical regimes of the device are discussed. The influence of losses is investigated in detail.

Citation Download Citation

Jiř Herec, Jaromír Fiurášek, and Ladislav Mišta Jr. "Entanglement generation in two coupled second-harmonic generators", Proc. SPIE 5945, 14th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 594506 (6 December 2006); https://doi.org/10.1117/12.638810

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