Quantum and optical technology

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Versatile Digital GHz Phase Lock for External Cavity Diode Lasers

(2008)

Authors:

Jürgen Appel, Andrew MacRae, AI Lvovsky
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Propagation of Squeezed Vacuum under Electromagnetically Induced Transparency

(2008)

Authors:

Eden Figueroa, Mirko Lobino, Dmitry Korystov, Juergen Appel, AI Lvovsky
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Photons as quasicharged particles

Physical Review A American Physical Society (APS) 77:4 (2008) 043813

Authors:

K-P Marzlin, Jürgen Appel, AI Lvovsky
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Quantum memory for squeezed light.

Physical review letters 100:9 (2008) 093602

Authors:

Jürgen Appel, Eden Figueroa, Dmitry Korystov, M Lobino, AI Lvovsky

Abstract:

We produce a 600-ns pulse of 1.86-dB squeezed vacuum at 795 nm in an optical parametric amplifier and store it in a rubidium vapor cell for 1 mus using electromagnetically induced transparency. The recovered pulse, analyzed using time-domain homodyne tomography, exhibits up to 0.21+/-0.04 dB of squeezing. We identify the factors leading to the degradation of squeezing and investigate the phase evolution of the atomic coherence during the storage interval.
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Electromagnetically-Induced Transparency and Squeezed Light

Optica Publishing Group (2008) qwd2

Authors:

E Figueroa, J Appel, D Korystov, M Lobino, AI Lvovsky
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