[1] [1] Chen Xia, Li Chao, Tsang Hon K. Device engineering for silicon photonics[J]. NPG Asia Materials, 2011, 3: 34-40.

[2] [2] Kong Xiaojian, Huang Dexiu, Liu Deming, et al. Research on gradient-index strip waveguide coupler[J]. Infrared and Laser Engineering, 2004, 33(2):204-208.

[3] [3] Bogaerts W, Heyn P D, Vaerenbergh T V, et al. Silicon microring resonators[J]. Laser & Photonics Reviews, 2012, 6(1): 47-73.

[4] [4] Guo Wei, Xu Fei, Lu Yanqing. Coupling influence on the refractive index sensitivity of photonic wire ring resonator [J]. Optics Communications, 2012, 285(24): 5144-5147.

[5] [5] Vlasov Yurii A, McNab Sharee J. Losses in single-mode silicon-on-insulator strip waveguides and bends[J]. Optics Express, 2004, 12(8): 1622-1631.

[6] [6] Carlos Angulo Barrios. Optical slot-waveguide based biochemical sensors[J]. Sensors, 2009, 9(6): 4751-4765.

[7] [7] Yang Gilmo, White Ian M, Fan Xudong. An opto-fluidic ring resonator biosensor for the detection of organophosphorus pesticides[J]. Sensors and Actuators B, 2008, 133(1): 105-112.

[8] [8] Katrien De Vos, Irene Bartolozzi, Etienne Schacht, et al. Silicon-on-Insulator microring resonator for sensitive and label-free biosensing[J]. Optics Express, 2007, 15(12): 7610-7615.

[9] [9] Cho H K, Han J. Numerical study of opto-fluidic ring resonators for biosensor applications[J]. Sensors, 2012, 12(10): 14144-14157.

[10] [10] Dai Danxin, He Sailing. Highly-sensitive sensor with large measurement range realized with two cascaded-microring resonators[J]. Optics Communications, 2007, 279(1): 89-93.

[11] [11] Jia Lianxi, Geng Minming, Zhang Lei, et al. Dispersion characteristics of nanometer-scaled silicon rib waveguides[J]. Chinese Optics Letters, 2010, 8(5): 485-489.

[12] [12] Hung Shihche, Liang Eihzhe, Lin Chingfuh. Silicon waveguide sidewall smoothing by KrF excimer laser reformation[J]. Journal of Lightwave Technology, 2009, 27(7): 887-892.

[13] [13] Passaro V M N, Notte M L. Optimizing SOI slot waveguide fabrication tolerances and strip-slot coupling for very efficient optical sensing[J]. Sensors, 2012, 12(3): 2436-2455.

[14] [14] Jiang Desheng, Liu Er, Chen Xing, et al. Design and properties study of fiber optic glucose biosensor[J]. Chinese Optics Letters, 2003, 1(2): 108.

[15] [15] Li Zhihong, He Duiyan, He Lei. Power loss analysis of transitional waveguide by the finite-difference beam propagation method[J]. Infrared and Laser Engineering, 2004, 33(1): 93-96.

[16] [16] Huang Qingzhong, Yu Yude, Yu Jinzhong. Experimental investigation on submicron rib waveguide microring/racetrack resonators in silicon-on-insulator[J]. Optics Communications, 2009, 282(2009): 22-26.

[17] [17] Reiko Hiruta, Hitoshi Kuribayashi, Ryosuke Shimizu, et al. Flattening of micro-structured Si surfaces by hydrogen annealing[J]. Applied Surface Science, 2006, 252(2006): 5279-5283.

[18] [18] Shi Qiang, Sang Shengbo, Zhang Wendong, et al. Research development of nano optical waveguide smoothing technology[J]. Infrared and Laser Engineering, 2013, 42(11): 3040-3046.

[19] [19] Li Zhigang, Du Zhenhui, Wang Baoguang, et al. Optical fiber temperature sensor based on wavelength-dependent detection[J]. Chinese Optics Letters, 2004, 2(4): 220-222.

[20] [20] Jiang Shaoji, Liang Youcheng, Zhu Xi. Asymmetric fabry-perot interferometric cavity for fiber optical sensors[J]. Chinese Optics Letters, 2006, 4(10): 563-565.

[21] [21] Su Baoqing, Wang Chunxia, Kan Qiang. Compact silicon-on-insulator dual-microring resonator optimized for sensing[J]. Journal of Lightwave Technology, 2011, 29(10): 1535-1541.