[1] Hillery M. Sum and difference
[2] squeezing of the electromagnetic field. Phys Rev(A),1989,40(6):3147~3155
[4] Z Y,Hou X.Acta Photonica Sinica,1998,27(4):289~299
[6] X,Yang Z Y.Acta Photonica Sinica,1998,27(10):865~878
[8] Z Y,Hou X.Acta Photonica Sinica,1998,27(12):1065~1069
[10] Z Y,Hou X.Acta Photonica Sinica,1999,28(5):385~392
[12] Z Y,Hou X.A certain number of great advance in the field of quantum optics.See:Yao
[13] Yuan,Yang Haicheng.Science forum of new century.Shaanxi Science and Technology Press,Xi'an,1999:125~139
[15] Z Y,Hou X.Journal of Shangluo Teachers College,2000,14(Special issue):1~52
[17] Z Y.[Ph.D.thesis].Xi′an Institute of Optics and Precision Mechanics,1999.1~16;18~88;89~118
[19] Z Y.Study on the properties of generalized nonlinear equal-power higher-power squeezing in
[20] the multimode super-position state light field.Research Report of
[21] Post-Doctor.Post-Doctorical Programme of Nation Physics Discipline,Institute of Modern
[22] Physics,Northwest University,2001.1~128
[24] Z Y,Hou X.Acta Photonica Sinica,1998,27(11):962~973
[26] X,Yang Z Y,Xu D G,et al.Acta Photonica Sinica,2000,29(5):385~395
[28] Z Y,Zhang S L,Hou Y,et al.Acta Photonica Sinica,2001,30(6):641~650
[30] Z Y,Dong Q Y,Hou Y,et al.Acta Photonica Sinica,2001,30(7):769~779
[32] Y,Dong Q Y,Tian L K,et al.Acta Photonica Sinica,2001,30(9):1064~1072
[34] Y,Meng J D,Tian L K,et al.Acta Photonica Sinica,2001,30(10):1194~1199
[36] D G,Zhang J L,Xue L N,et al.Acta Photonica Sinica,2001,30(5):533~538
[38] Y F,Yang Z Y,Zhao P,et al.Journal of Northwest University(Natural Science
[39] Edition),2002,32(S.I.):99~102
[41] Z Y,An Y Y,Zhang J Y,et al.Generalized Nonlinear Equal-Power N-th Power Y-Squeezing in the
[42] First Kind of Three States Superposition Multimode Superposition State Light Field.See:Yao
[43] Yuan,Pan Quan,Yang Gui.Yang Scientists Forum of New Century,Press of Northwest
[44] University,Xi'an,2002,86~101