Creation of photon states with negative Wigner function with tunable N-level EIT processes

Ghosh S, Gorlach A, Mechel C, Chekhova MV, Kaminer I, Eisenstein G (2025)

Publication Type: Conference contribution

Publication year: 2025

Publisher: Institute of Electrical and Electronics Engineers Inc.

Conference Proceedings Title: 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025

Event location: Munich, DEU

ISBN: 9798331512521

DOI: 10.1109/CLEO/EUROPE-EQEC65582.2025.11110216

Abstract

Strong optical nonlinearities are key to a range of optical technologies, in particular, to the generation of quantum light states. This paper proposes and demonstrates a novel nonlinear mechanism based on an N-level electromagnetic induced transparency (EIT) in a warm rubidium vapor. Our scheme relies on using an optical frequency comb as a pump and a CW probe signal, which co-propagate and interact in warm rubidium vapor, as shown in Fig. 1(a). Multiple comb lines excite N-level EIT resonances as shown in Fig. 1(b), which modifies the optical response of the medium, creating a giant Kerr nonlinearity [1], which opens the way for different phenomena like slow light propagation or generation of quantum light states. Here, we experimentally create the giant Kerr nonlinearity, with the magnitude ranging from 1.2 × 10^-7 to 7.7 × 10^-7 m²V^-2

Involved external institutions

Technion - Israel Institute of Technology

Israel (IL)

How to cite

APA:

Ghosh, S., Gorlach, A., Mechel, C., Chekhova, M.V., Kaminer, I., & Eisenstein, G. (2025). Creation of photon states with negative Wigner function with tunable N-level EIT processes. In 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025. Munich, DEU: Institute of Electrical and Electronics Engineers Inc..

MLA:

Ghosh, S., et al. "Creation of photon states with negative Wigner function with tunable N-level EIT processes." Proceedings of the 2025 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2025, Munich, DEU Institute of Electrical and Electronics Engineers Inc., 2025.

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