The factors of spontaneous parametric down conversion process in BiB3O6 crystal with a broadband pump

We investigate the spontaneous parametric down-conversion (SPDC) process in biaxial nonlinear crystal BiB3O6 (BIBO) with a broadband pump. Under the type I and type II phase-matching conditions, we numerically calculate the influencing factors on SPDC process in BIBO crystal, such as temporal and sp...

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Bibliographic Details
Published inOptik (Stuttgart) Vol. 124; no. 24; pp. 6627 - 6630
Main Authors Huo, Guangwen, Zhang, Tongyi, Wan, Rengang, Cheng, Guanghua, Zhao, Wei
Format Journal Article
LanguageEnglish
Published Elsevier GmbH 01.12.2013
Subjects
Acceptance
BIBO crystal
Broadband
Crystals
Dispersions
Mathematical models
Phase-matching
Pumps
SPDC
Spectra
Spontaneous
Ultra-fast entangled photon pairs
SPDC
BIBO crystal
Phase-matching
Ultra-fast entangled photon pairs
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Summary:We investigate the spontaneous parametric down-conversion (SPDC) process in biaxial nonlinear crystal BiB3O6 (BIBO) with a broadband pump. Under the type I and type II phase-matching conditions, we numerically calculate the influencing factors on SPDC process in BIBO crystal, such as temporal and spatial walk-off, the acceptance angles, and spectral acceptance bandwidth. Comparing the two types of phase-matching, we could conclude that the type II phase-matching in BIBO crystal is better for the SPDC because of zero dispersion and bigger acceptance parameters. These results can be used to construct a system to generate ultra-fast entangled photon pairs.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0030-4026
1618-1336
DOI:10.1016/j.ijleo.2013.05.114