Tunable double optomechanically induced transparency with quantized fields in an optomechanical system Qiong Wang, Leilei Yan, Peng-Cheng Ma, Zhi He and Chun-Mei Yao Eur. Phys. J. D, 69 9 (2015) 213 Published online: 15 September 2015 DOI: 10.1140/epjd/e2015-60338-6