主要研究方向：（1）光与原子相互作用的研究；（2）冷原子和光子系统的量子信息过程及其物理基础的研究。
先后主持国家自然科学基金项目2项、湖南省教育厅项目2项、教育部重点实验室开放课题1项、中国博士后科学基金项目1项。在Physical Review A, Journal of Physics B, Optics Communications等国内外专业学术刊物上发表研究论文20余篇，其中被SCI检索20篇。
近几年科研论文代表作：
Y. Guo, L. Zhou, L. M. Kuang and C. P. Sun, Magneto-optical Stern-Gerlach effect in atomic ensemble, Physical Review A(2008)78, 013833.
Y. Guo, Multi-mode cross-Kerr interaction and three-qubit all-optical logic gates in a triple electromagnetically induced transparency system, European Physical Journal D, 2013, 67: 155.
Y. Guo, Y. Liu and D. L. Zhou, Sudden of correlation building velocity in a strong transverse field Ising spin chain, European Physical Journal D, 2012, 66(1): 250.
Y. Guo and L.M. Kuang, Large cross-phase shifts among three slow weak pulses via triple electromagnetically induced transparency, Journal of Physics B, (2011), 44(2011): 065501.
Y. Guo and G.Y. Liu, Scalable preparation of three-atom and four-atom W states via atom-cavity-laser interaction, Optics Communications (2010)283, 1966.
Y. Guo and H.L. Deng, Near-deterministic generation of three-mode W-type entangled coherent states in free-travelling optical fields, Journal of Physics B (2009)42, 215507.
联系方式：
Email: guoyu1980@outlook.com
通讯地址：（邮政编码410004）湖南省长沙市雨花区万家丽南路二段960号
长沙理工大学云塘校区物理与电子科学学院
