Generation of a squeezed vacuum resonant on Rubidium D_1 line with periodically-poled KTiOPO_4

Details Generation of a squeezed vacuum resonant on Rubidium D_1 line with periodically-poled KTiOPO_4 Generation of a squeezed vacuum resonant on Rubidium D_1 line with periodically-poled KTiOPO_4

2006-03-23

arxiv.org/abs/quant-ph/0603214v1

Optics Letters 31, 2344 (2006).

Physics

Quantum Physics

4 pages, 4 figures

Scientific paper

We report generation of a continuous-wave squeezed vacuum resonant on the Rb D_1 line (795 nm) using periodically poled KTiOPO_4 (PPKTP) crystals. With a frequency doubler and an optical parametric oscillator based on PPKTP crystals, we observed a squeezing level of -2.75 +- 0.14 dB and an anti-squeezing level of +7.00 +- 0.13 dB. This system could be utilized for demonstrating storage and retrieval of the squeezed vacuum, which is important for the ultra-precise measurement of atomic spins as well as quantum information processing.

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