Universität zu Köln

Halevy, A., Megidish, E., Dovrat, L., Eisenberg, H. S., Becker, P. and Bohaty, L. (2011). The biaxial nonlinear crystal BiB3O6 as a polarization entangled photon source using non-collinear type-II parametric down-conversion. Opt. Express, 19 (21). S. 20420 - 20435. WASHINGTON: OPTICAL SOC AMER. ISSN 1094-4087

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Abstract

We describe the full characterization of the biaxial nonlinear crystal BiB3O6 (BiBO) as a polarization entangled photon source using non-collinear type-II parametric down-conversion. We consider the relevant parameters for crystal design, such as cutting angles, polarization of the photons, effective nonlinearity, spatial and temporal walk-offs, crystal thickness and the effect of the pump laser bandwidth. Experimental results showing entanglement generation with high rates and a comparison to the well investigated beta-BaB2O4 (BBO) crystal are presented as well. Changing the down-conversion crystal of a polarization entangled photon source from BBO to BiBO enhances the generation rate as if the pump power was increased by 2.5 times. Such an improvement is currently required for the generation of multiphoton entangled states. (C) 2011 Optical Society of America

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Halevy, A. UNSPECIFIED UNSPECIFIED UNSPECIFIED Megidish, E. UNSPECIFIED UNSPECIFIED UNSPECIFIED Dovrat, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED Eisenberg, H. S. UNSPECIFIED UNSPECIFIED UNSPECIFIED Becker, P. UNSPECIFIED UNSPECIFIED UNSPECIFIED Bohaty, L. UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-487378
DOI:	10.1364/OE.19.020420
Journal or Publication Title:	Opt. Express
Volume:	19
Number:	21
Page Range:	S. 20420 - 20435
Date:	2011
Publisher:	OPTICAL SOC AMER
Place of Publication:	WASHINGTON
ISSN:	1094-4087
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language 2ND-HARMONIC GENERATION; OPTICAL COEFFICIENTS Multiple languages Optics Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/48737