A novel two-mode squeezed light based on double-pump phase-matching
Abstract
A novel two-mode non-degenerate squeezed light is generated based on a four-wave mixing (4WM) process driven by two pump fields crossing at a small angle. By exchanging the roles of the pump beams and the probe and conjugate beams, we have demonstrated the frequency-degenerate two-mode squeezed light with separated spatial patterns. Different from a 4WM process driven by one pump field, the refractive index of the corresponding probe field can be converted to a value that is greater than or less than by an angle adjustment. In the new region with , the bandwidth of the gain is relatively large due to the slow change in the refractive index with the two-photon detuning. As the bandwidth is important for the practical application of a quantum memory, the wide-bandwidth intensity-squeezed light fields provide new prospects for quantum memories.
Cite
@article{arxiv.1902.10293,
title = {A novel two-mode squeezed light based on double-pump phase-matching},
author = {Xuan-Jian He and Jun Jia and Gao-Feng Jiao and L. Q. Chen and Weiping Zhang and Chun-Hua Yuan},
journal= {arXiv preprint arXiv:1902.10293},
year = {2020}
}