[1] Wang G X, Lu H, Liu X M. Optics Express, 2012, 20: 20902.
[2] Yan W, Wang T, Li X M, et al. Applied Physics B-Lasers and Optics, 2012, 108: 515.
[3] Zhang X J, Wang H H, Liu C Z, et al. Physical Review A, 2012, 86: 023821.
[4] Wu M C, Liu W C. Computer Physics Communications, 2011, 182(1): 143.
[5] Wang J. Physical Review A, 2010, 81: 033841.
[6] Brandt H E. International Journal of Modern Physics B, 2012, 26: 1243004.
[7] Lee M J, Chen Y H, Wang I C, et al. Optics Express, 2012, 20: 11057.
[8] Fan G F, Li Y, Han B, et al. Solid-State Electronics, 2012, 73: 81.
[9] Jin X R, Lu Y H, Zheng H Y, et al. Optics Communications, 2011, 284: 4766.
[10] Solovyev D, Dubrovich V K, Plunien G. Journal of Physics B: Atomic, Molecular and Optical Physics, 2012, 45: 215001.
[11] Fountoulakis A, Terzis A F, Paspalakis E. Physics Letters A, 2010, 374: 3354.
[12] Roy C, Kim H, Waks E, et al. Photonics and Nanostructures - Fundamentals and Applications, In Press, Corrected Proof, Available online 12 May 2012.
[13] Xu X D, Sun B, Berman P R, et al. Solid State Communications, 2009, 149: 1479.
[14] Chu W C, Lin C D. Journal of Physics B-Atomic Molecular and Optical Physics, 2012, 45: 201002.