The Kerr nonlinearity of the beta-barium borate crystal

Morten Bache, Hairun Guo, Binbin Zhou, Xianglong Zeng

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Abstract

A popular crystal for ultrafast cascading experiments is beta-barium-borate (β-BaB2O4, BBO). It has a decent quadratic nonlinear coefficient, and because the crystal is anisotropie it can be birefringence phase-matched for type I (oo → e) second-harmonic generation (SHG). For femtosecond experiments BBO is popular because of low dispersion and a high damage threshold. The main attractive property of ultrafast cascading is that the induced cascading nonlinearity nI 2, casc can be negative, i.e. generate a self-defocusing Kerr-like nonlinearity. However, the material Kerr nonlinearity nI 2, Kerr is self-focusing and competes with the cascading nonlinearity. Therefore, precise knowledge of its strength is crucial. We perform an experiment measuring the main c ü tensor component, and together with literature experimental data [1], we propose a cu value composed of 14 different data points
Original languageEnglish
Title of host publicationCLEO/Europe 2013 - European Conference on Lasers and Electro-Optics
Number of pages1
PublisherIEEE
Publication date2013
ISBN (Print)978-1-4799-0594-2
DOIs
Publication statusPublished - 2013
Event2013 Conference on Lasers & Electro-Optics Europe & the International Quantum Electronics Conference (CLEO/Europe-IQEC) - Munich, Germany
Duration: 12 May 201316 May 2013
http://www.cleoeurope.org/

Conference

Conference2013 Conference on Lasers & Electro-Optics Europe & the International Quantum Electronics Conference (CLEO/Europe-IQEC)
CountryGermany
CityMunich
Period12/05/201316/05/2013
Internet address

Activities

  • 1 Participating in or organising a conference

Conference on Lasers and Electro-Optics Europe 2013 (CLEO Europe)

Hairun Guo (Participant)

12 May 201316 May 2013

Activity: Attending an eventParticipating in or organising a conference

Cite this

Bache, M., Guo, H., Zhou, B., & Zeng, X. (2013). The Kerr nonlinearity of the beta-barium borate crystal. In CLEO/Europe 2013 - European Conference on Lasers and Electro-Optics IEEE. https://doi.org/10.1109/cleoe-iqec.2013.6800966