[3] Yukou Mochida, Nobuhide Yamaguchi, Gworge Ishikawa. Technology-oriented review and vision of 40-Gb/s-based optical transport networks [J]. J. Lightwave Technol., 2002, 20(12):2272～2281
[4] Moshe Nazarathy, David W. Dolfi, Roger J. Jungerman. Spread spectrum frequency response of coded phase reversal traveling wave modulators [J]. J. Lightwave Technol., 1987, 5(10):1433～1443
[5] Osamu Mitomi, Kazuto Noguchi, Hiroshi Miyazawa. Design of ultra-broad-band LiNbO3 optical modulators with ridge structure [J]. IEEE Trans. Microwave Theory Technology, 1995, 43(9):2203～2207
[7] Hirotoshi Nagata, Yagang Li, Ian Croston et al.. DC drift activation energy of LiNbO3 optical modulators based on thousands of hours of active accelerated aging tests [J]. IEEE Photon. Technol. Lett., 2002, 14(8):1076～1078
[8] Hirotoshi Nagata, Gilbert D. Feke, Yagang Li et al.. DC drift of Z-cut LiNbO3 modulators [J]. IEEE Photon. Technol. Lett., 2004, 16(7):1655～1657
[9] Hirotoshi Nagata, Yagang Li, Walter R. Bosenberg et al.. DC drift of X-cut LiNbO3 modulators [J]. IEEE Photon. Technol. Lett., 2004, 16(10):2233～2235
[10] Kenji Aoki, Jungo Kondo, Atsuo Kondo et al.. High-performance optical modulator with a wide center electrode and thin x-cut LiNbO3 substrate [J]. IEEE Photon. Technol. Lett., 2004, 16(12):2610～2612
[11] Jungo Kondo, Atsuo Kondo, Kenji Aoki et al.. 40-Gbs X-cut LiNbO3 optical modulator with two-step back-slot structure [J]. J. Lightwave Technol., 2002, 20(12):2110～2114
