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High efficiency femtosecond source of entangled photons

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conference contribution
posted on 2024-07-09, 23:10 authored by V. Jarutis, Saulius JuodkazisSaulius Juodkazis, V. Mizeikis, H. Misawa
The method allowing enhance the eficiency of entangled photon sources based on Type II spontaneous parametric down conversion (SPDC) by means of mode inversion of one of the SPDC output beams is described. Overlap between the the entire signal in idler beams can be achieved using the mode inversion thus maximizing the SPDC photon pair yields. With this method, coincidence count rates as high as 60 kHz from a single 0.5 mm long bulk BBO crystal pumped by the second-harmonic radiation of a femtosecond Ti: Sapphire laser, were obtained.

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078039240X

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IQEC, International Quantum Electronics Conference Proceedings

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IQEC, International Quantum Electronics

Volume

2005

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1 p

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IEEE

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Copyright © 2005 IEEE. The published version is reproduced in accordance with the copyright policy of the publisher. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.

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eng

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