[1] K. Kishino, M. S. Unlu, J.-I. Chyi, J. Reed, L. Arsenault, H. Morkoc. IEEE J. Quantum Electron., 27, 2025(1991).

[2] H.-H. Tung, C.-P. Lee. IEEE J. Quantum Electron., 33, 753(1997).

[3] C. C. Barron, C. J. Mahon, B. J. Thibeault, G. Wang, W. Jiang, L. A. Goldren, J. E. Bowers. Electron. Lett., 30, 1796(1994).

[4] Y. M. El-Batawy, M. J. Deen, N. R. Das. IEEE J. Lightwave Technol., 21, 2031(2003).

[5] X. Duan, Y. Huang, Y. Shang, J. Wang, X. Ren. Opt. Lett., 39, 2447(2014).

[6] Q. Chen, Y. Huang, X. Zhang, X. Duan, J. Fei, X. Ma, T. Liu, G. Wu, K. Liu, X. Ren. IEEE Photon. Technol. Lett., 29, 1203(2017).

[7] X. Duan, Y. Huang, X. Ren, Y. Shang, X. Fan, F. Hu. IEEE Photon. Technol. Lett., 24, 863(2012).

[8] C.-L. Hoa, M.-C. Wua, W.-J. Hob, J.-W. Liaw. Solid-State Electron., 43, 961(1999).

[9] J. N. Munday, H. A. Atwater. Nano Lett., 11, 2195(2010).

[10] Y. Zhou, M. C. Y. Huang, C. J. Chang-Hasnain. IEEE Photon. Technol. Lett., 20, 434(2008).

[11] I.-S. Chung, V. Iakovlev, A. Sirbu, A. Mereuta, A. Caliman, E. Kapon, J. Mørk. IEEE J. Quantum Electron., 46, 1245(2010).

[12] W. Fang, Y. Huang, X. Duan, K. Liu, J. Fei, X. Ren. Chin. Phys. B, 25, 114213(2016).

[13] W. Fang, Y. Huang, X. Duan, K. Liu, X. Ren, J. Wang. Opto-Electronics and Communications Conference (OECC) and 2016 International Conference on Photonics in Switching (PS), 1(2016).

[14] X. Duan, G. Zhou, Y. Huang, Y. Shang, X. Ren. Opt. Express, 23, 2639(2015).

[15] D. Fattal, J. Li, Z. Peng, M. Fiorentino, R. G. Beausoleil. Nat. Photon., 4, 466(2010).

[16] Y. Yuan, J. Chen. Chin. Opt. Lett., 14, 011404(2016).

[17] B. Gao, T. Chen, V. Khuat, J. Si, X. Hou. Chin. Opt. Lett., 14, 021407(2016).

[18] X. Duan, Y. Huang, H. Huang, X. Ren, Q. Wang, Y. Shang, X. Ye, S. Cai. Opt. Express, 18, 5879(2010).