[1] Yan Shao-cheng, Chen Ye, Li Cai, Xu Fei and Lu Yan-qing, Optics Express 23, 9407 (2015).
[2] Tan Yan-zhen, Sun Li-peng, Jin Long, Li Jie and Guan Bai-ou, Optics Express 21, 154 (2013).
[3] W. Talataisong, R. Ismaeel and G. Brambilla, Sensors 18, 461 (2018).
[4] Wang Tao, Li Xiao-hui, Liu Fang-fei, Long Wei-hong, Zhang Zi-yang, Tong Li-min and Su Yi-kai, Optics Express 18, 16156 (2010).
[5] Li Jin-hong, Chen Jin-hui, Yan Shao-cheng, Ruan Ya-ping, Xu Fei and Lu Yan-qing, Optics Letters 42, 3395 (2017).
[6] Zhang Xin, Li Zhi-quan, Sun Yu-chao and Tong Kai, Optoelectronics Letters 9, 333 (2013).
[7] Li Xin, Guo Shi-liang, Li Zhi-quan and Yang Ming, Optoelectronics Letters 10, 188 (2014).
[8] J. Niehusmann, A. V?rckel, P. H. Bolivar, T. Wahlbrink, W. Henschel and H. Kurz, Optics Letters 29, 2861 (2004).
[9] Xu Qian-fan, D. Fattal and R. G. Beausoleil, Optics Express 16, 4309 (2008).
[10] R. Boeck, N. A. Jaeger, N. Rouger and L. Chrostowski, Optics Express 18, 25151 (2010).
[11] Wang Kai-yang, Yu Chang-qiu, Zhang Xue-nan, Xu Chi, Zhang Yun-dong and Yuan Ping, Applied Optics 54, 1285 (2015).
[12] Ren Hong-liang, Zou Chang-ling, Lu Jin, Le Zi-chun, Qin Ya-li, Guo Shu-qin and Hu Wei-sheng, JOSA B 36, 942 (2019).
[13] Yi Ya-ting, Yu Ji-bo, Jiang Yu-xuan, E. Lewis, G. Brambilla and Wang Peng-fei, Optics Letters 44, 1864 (2019).
[14] S. Darmawan, Y. M. Landobasa and M. K. Chin, Optics Express 15, 437 (2007).
[15] A. Yariv, Electronics Letters 36, 321 (2000).
[16] G. Brambilla, Xu Fei and Feng Xiang, Electronics Letters 42, 517 (2006).
[17] Wei Zheng-tong, Doctor thesis in University of National University of Defense Technology (2013).
[18] Jiang Xiao-shun, Tong Li-min, G. Vienne, Guo Xin, A. Tsao, Yang Qing and D. Yang, Applied Physics Letters 88, 223501 (2006).
[19] Wu Yu, Rao Yun-Jiang, Chen Yi-huai and Gong Yuan, Optics Express 17, 18142 (2009).
[20] S. S. Pal, S. K. Mondal, U. Tiwari, P. V. G. Swamy, M. Kumar, N. Singh, P. P. Bajpai and P. Kapur, Review of Scientific Instruments 82, 095107 (2011).
[21] K. S. Lim, I. Aryanfar, W. Y. Chong, Y. K. Cheong, S. W. Harun and H. Ahmad, Sensors 12, 11782 (2012).
[22] K. S. Lim, S. W. Harun, S. S. A. Damanhuri, A. A. Jasim, C. K. Tio and H. Ahmad, Sensors and Actuators A: Physical 167, 60 (2011).
[23] Jiang Xiao-shun, Chen Yuan, G. Vienne and Tong Li-min, Optics Letters 32, 1710 (2007).