J. Capmany, D. Novak, Nat. Photonics 4, 319 (2007)
J. Yao, J. Lightwave Technol. 27, 314 (2009)
J. Capmany, J. Mora, I. Gasulla, J. Sancho, J. Lloret, S. Sales, J. Lightwave Technol. 31, 571 (2013)
J. Capmany, B. Ortega, D. Pastor, S. Sales, J. Lightwave Technol. 23, 702 (2005)
J. Capmany, B. Ortega, D. Pastor, J. Lightwave Technol. 24, 201 (2006)
G. Ning, L. Cheng, S. Aditya, J. Zhou, P. Shum, Appl. Phys. B 92, 609 (2008)
J. Mora, B. Ortega, A. Díez, J. L. Cruz, M. V. Andrés, J. Capmany, D. Pastor, J. Lightwave Technol. 24, 2500–2059 (2006)
X. Xue, X. Zheng, H. Zhang, B. Zhou, Opt. Exp. 19, 18423 (2011)
H. Wang, J.Y. Zheng, W. Li, L.X. Wang, M. Li, L. Xie, N.H. Zhu, Opt. Lett. 38, 4857 (2013)
T.X. Huang, X. Yi, R.A. Minasian, Opt. Exp. 19, 6231 (2011)
Z. Weiwei, R.A. Minasian, I.E.E.E. Photon, Technol. Lett. 23, 1775 (2011)
W.T. Wang, J.G. Liu, W.H. Sun, W.Y. Wang, S.L. Wang, N.H. Zhu, Opt. Exp. 22, 29304 (2014)
S. Hu, L. Li, X. Yi, C. Yu, IEEE Photon Technol. Lett. 24, 1466 (2014)
T. Chen, X. Yi, L. Li, R. Minasian, Opt. Lett. 37, 4699 (2012)
C. Wang, J. Yao, Opt. Exp. 21, 22868 (2013)
Y. Jiang, P.P. Shum, P. Zu, J. Zhou, G. Bai, J. Xu, Z. Zhou, H. Li, S. Wang, IEEE Photon J. 5, 5500509 (2013)
G. Liang, Z. Jiejun, C. Xiangfei, Y. Jianping, IEEE Trans. Microw. Theory. 62, 380 (2014)
H. Chen, Z. Xu, H. Fu, D. Zhang, in PIERS Proceedings, August 25–28 (Guangzhou, China, 2014), pp. 902–905