This work demonstrates sub-shot-noise limit (SNL) correlations between the photon numbers detected (~ 1000/pulse) in the two parties of a frequency non-degenerate ps-pulsed twin-beam that is obtained by a type I SPDC interaction in a beta-BaB 2 O 4 crystal of 4-mm thickness (Fujian Castech Crystals, China) pumped by the frequency-tripled output ( lambda p = 349 nm) of a cw mode-locked Nd:YLF laser regeneratively amplified at 500 Hz (high Q laser production, Austria).
Sub-shot-noise photon-number correlation in the parties of a mesoscopic twin-beam
Bondani, M.;Allevi, A.;Andreoni, A.
2007-01-01
Abstract
This work demonstrates sub-shot-noise limit (SNL) correlations between the photon numbers detected (~ 1000/pulse) in the two parties of a frequency non-degenerate ps-pulsed twin-beam that is obtained by a type I SPDC interaction in a beta-BaB 2 O 4 crystal of 4-mm thickness (Fujian Castech Crystals, China) pumped by the frequency-tripled output ( lambda p = 349 nm) of a cw mode-locked Nd:YLF laser regeneratively amplified at 500 Hz (high Q laser production, Austria).
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