Phase-sensitive amplification via coherent population oscillations in metastable helium at room temperature
Quantum Physics
2016-11-03 v1
Abstract
We report our experimental results on phase-sensitive amplification (PSA) in non-degenerate signal-idler configuration using ultra-narrow coherent population oscillations in metastable helium at room temperature. We achieved a high PSA gain of nearly 7 with a bandwidth of 200 kHz, by using the system at resonance in a single-pass scheme. Further, the measured minimum gain is close to the ideal value, showing that we have a pure PSA. This is also confirmed from our phase-to-phase transfer curves measurements, illustrating that we have a nearly perfect squeezer, which is interesting for a variety of applications.
Keywords
Cite
@article{arxiv.1608.00907,
title = {Phase-sensitive amplification via coherent population oscillations in metastable helium at room temperature},
author = {J. Lugani and C. Banerjee and M-A. Maynard and P. Neveu and W. Xie and R. Ghosh and F. Bretenaker and F. Goldfarb},
journal= {arXiv preprint arXiv:1608.00907},
year = {2016}
}