[1] | Giles C.J Lightwave Technol,1997,15(8):1391~1404. |
[2] | Carballar A,Muriel M,Azana J. IEEE Photon Technol Lett,1999,11(6):694~696. |
[3] | McCall M. J Lightwave Technol,2000,18(2):236~242. |
[4] | Cheng W,Chiu S,Hong C et al. Opt Quantum Electron,2000,32:339~348. |