[1] [1] YANG Xu-sheng, HUANG Xu-guang, XIE Jin-ling and ZHU Jia-hu, Journal of Optoelectronics·Laser 22, 706 (2011). (in Chinese)

[2] [2] J. Zhou, S. N. Fu, F. Luan, J. H. Wong, S. Aditya, P. P. Shum and K. E. K. Lee, J. Lightwave Technol. 29, 3381 (2011).

[3] [3] M. Bolea, J. Mora, B. Ortega and J. Capmany, Multiband Ultrawideband Pulse Generation based on a Tunable Single Band-Pass Photonic Filter and Differential Detection, International Topical Meeting on Microwave Photonics, 1 (2009).

[4] [4] E. Xu, X. L. Zhang, L. Zhou, Y. Zhang, Y. Yu, X. Li and D. X. Huang, J. Lightwave Technol. 28, 2358 (2010).

[5] [5] Y. Yan, R. Blais and J. P. Yao, J. Lightwave Technol. 25, 3283 (2007).

[6] [6] M. Sagues, A. Loayssa and J. Capmany, IEEE Photon. Technol. Lett. 19, 1194 (2007).

[7] [7] M. Pu, L. Liu, W. Xue, Y. Ding, L. H. Frandsen, H. Ou, K. Yvind and J.M. Hvam, IEEE Photon. Technol. Lett. 22, 869 (2010).

[8] [8] JIANG Hong-wei and WU Yuan-da, Journal of Optoelectronics ·Laser 22, 813 (2011). (in Chinese)

[9] [9] T. X. H. Huang, X. K. Yi and R. A. Minasian, Opt. Express 19, 6231 (2011).

[10] [10] X. Xu and R. M. Narayanan, IEEE Trans. Antennas Propagat. 49, 1836 (2001).

[11] [11] E. Hamidi, V. Supradeepa, M. Song, R. Wu, C. M. Long, D. E. Leaird and A. M. Weiner, Achieving Arbitrary Passband Profiles and High Stopband Attenuation in Microwave Photonic Filters, IEEE MTT-S, 1 (2011).

[12] [12] M. Popov, P. Fonjallaz and O. Gunnarsson, IEEE Photon. Technol. Lett. 17, 663 (2005).

[13] [13] M. Song, C. M. Long, R. Wu, D. Seo, D. E. Leaird and A. M. Weiner, IEEE Photon. Technol. Lett. 23, 1618 (2011).

[14] [14] J. Mora, B. Ortega, A. Díez, J. L. Cruz, M. V. Andrés, J. Capmany and D. Pastor, J. Lightwave Technol. 24, 2500 (2006).

[15] [15] F. Zeng and J. P. Yao, J. Lightwave Technol. 23, 1721 (2005).

[16] [16] H.-M.Kim, T.-H. Kim, B. Kim and Y. Chung, IEEE Photon. Technol. Lett. 22, 1539 (2010).