Study of nonlinear magneto-optic effects in BBO

Jan Soubusta; Antonín Černoch; Jaroslav Hamrle; Jan Peřina Jr.; Kamil Postava

doi:10.1117/12.2263557

23 December 2016 Study of nonlinear magneto-optic effects in BBO

Jan Soubusta, Antonín Černoch, Jaroslav Hamrle, Jan Peřina Jr., Kamil Postava

Proceedings Volume 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics; 1014220 (2016) https://doi.org/10.1117/12.2263557
Event: 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 2016, Jasna, Slovakia

Abstract

Nonlinear crystals are typically used when interaction of different frequencies of light is requested. In classical optics these nonlinear phenomena are used for second-harmonic generation, sum-frequency generation, optical parametric amplification and many other effects. In quantum optics, dealing with optical interaction on the level of individual photons, the most prominent process is spontaneous parametric down-conversion (SPDC),¹ where the crystal is pumped by intensive laser light and the crystal can mediate the splitting of a pump photon to a photon pair. The two generated photons are typically called signal and idler.

Influence of magnetic field on these nonlinear processes was not thoroughly tested yet. This topic deserves intensive study both from theoretical and experimental point of view, because the magnetic field can decrease the symmetry of the nonlinear crystal and so it may allow to use new types of phase-matching conditions. We started to test the SPDC process in BBO crystals. Nonlinear magneto-optic tensor of this material is not known and we can hardly predict it. According to our first theoretical derivations the efficiency of the nonlinear processes has to oscillate when rotating the magnetic-field orientation.

Citation Download Citation

Jan Soubusta, Antonín Černoch, Jaroslav Hamrle, Jan Peřina Jr., and Kamil Postava "Study of nonlinear magneto-optic effects in BBO", Proc. SPIE 10142, 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, 1014220 (23 December 2016); https://doi.org/10.1117/12.2263557

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