[1] [1] R. C. Alferness. Waveguide electrooptic modulators [J]. IEEE Trans. Microwave Theory Technol., 1982, 30(8):1121～1137

[2] [2] Ed. L. Wooten, K. M. Kissa, A. Yi-Yan et al.. A review of lithium niobate modulators for fiber-optic communications systems [J]. IEEE J. Sel. Top. Quantum Electron., 2000, 6(1):69～82

[3] [3] I. L. Gheorma, P. Savi, R. M. Osgood, Jr.. Thin layer design of X-cut LiNbO3 modulators [J]. IEEE Photon. Technol. Lett., 2000, 12(12):1618～1620

[4] [4] G. G. Gentili, G. Macchiarella. Quasi-static analysis of shielded planar transmission lines with finite metallization thickness by a mixed spectral-space domain method [J]. IEEE Trans. Microwave Theory Technol., 1994, 42(2):249～255

[5] [5] H. Jing, R. Vahldieck, M. Bèlanger et al.. A mode projecting method for the quasi-static analysis of electrooptic device electrodes considering finite metallization thickness and anisotropic substrate [J]. IEEE J. Quantum Electron., 1991, 27(10):2306～2314

[6] [6] W. Heinrich. Quasi-TEM description of MMIC coplanar lines including conductor-loss effects [J]. IEEE Trans. Microwave Theory Technol., 1993, 41(1):45～52

[7] [7] H. E. Green. The numerical solution of some important transmission-line problems [J]. IEEE Trans. Microwave Theory Technol., 1965, 13(5):676～692

[8] [8] Z. Pantic, R. Mittra. Quasi-TEM analysis of microwave transmission lines by the finite-element method [J]. IEEE Trans. Microwave Theory Technol., 1986, 34(11):1096～1103

[9] [9] D. Marcuse. Electrostatic field of coplanar lines computed with the pointmatching method [J]. IEEE J. Quantum Electron., 1989, 25(5):939～947

[10] [10] S. Kosslowski, F. Bogelsack, I. Wolff. The application of the point matching method to the analysis of microstrip lines with finite metallization thickness [J]. IEEE Trans. Microwave Theory Technol., 1988, 36(8):1265～1271

[11] [11] N. H. Zhu, W. Qiu, E. Y. B. Pun et al.. Quasi-static analysis of shielded microstrip transmission lines with thick electrodes [J]. IEEE Trans. Microwave Theory Technol., 1997, 45(2):288～291

[12] [12] N. H. Zhu, W. Qiu, E. Y. B. Pun et al.. Analysis of velocity-matched Ti:LiNbO3 optical intensity modulators with an extended point-matching method [J]. Optical and Quantum Electron., 1996, 28:137～146