[1] C,Lin and R,H,Stolen.,A.P.L.,1976,Vol.29,No.7,P.428.
[2] M,Nakazawa et al.,J.O.S.A.,B,1984,Vol.1,No.1,P.80.
[3] W,Kaiser and M,Maier.,Laser handbook,1972,Vol.2,P.1007.
[4] M,Maier et al.,Phys,Rev.,196,Vol.177,No.P.580.