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- High efficiency femtosecond source of entangled photons
- Jarutis, V.; Juodkazis, S.; Mizeikis, V.; Misawa, H.
- 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.
- Publication type
- Conference paper
- Proceedings of the International Quantum Electronics Conference (IQEC 2005), Tokyo, Japan, 11-15 July 2005, pp. 1008-1009
- Publication year
- Femtosecond lasers; Photons; SPDC; Spontaneous parametric down conversion
- 9780780392403, 078039240X
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