| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7933129 | Physica E: Low-dimensional Systems and Nanostructures | 2018 | 5 Pages |
Abstract
We investigate the generation of single photons and photon pairs in a cavity quantum electrodynamics system of a four-level quantum dot coupled to bimodal cavity. By tuning frequencies and intensity ratio of the driving lasers, sub-Poissonian and super-Poissonian photon statistics are obtained in each nondegenerate cavity mode respectively. Single photon emission is characterized as zero-delay second-order correlation function g2(0)â¼0.15. Photon pair emission under the two-photon resonance excitation is quantified by Mandel parameter as Qâ¼0.04. The mean cavity photon number in both scenarios can maintain large around 0.1. As a result, single photon emission and two-photon emission can be integrated in our proposed system only by tuning the external parameters of the driving lasers.
Related Topics
Physical Sciences and Engineering
Materials Science
Electronic, Optical and Magnetic Materials
Authors
Xiang Cheng, Chengwang Zhao, Han Ye, Jingran Liu, Yumin Liu, Zhongyuan Yu,