[1] V. R. Almeida, Q. Xu, C. A. Barrios, and M. Lipson, “Guiding and confining light in void nanostructure,” Optics Letters, 2004, 29(11): 1209-1211.
[2] Q. Xu, V. R. Almeida, R. R. Panepucci, and M. Lipson, “Experimental demonstration of guiding and confining light in nanometer-size low-refractiveindex material,” Optics Letters, 2004, 29(14): 1626-1628.
[3] C. A. Barrios, “Optical slot-waveguide based biochemical sensors,” Sensors, 2009, 9(6): 4751- 4765
[4] C. A. Barrios, K. B. Gylfason, B. Sánchez, A. Griol, H. Sohlstr-m, M. Holgado, et al., “Slot-waveguide biochemical sensor,” Optics Letters, 2007, 32(21): 3080-3082.
[5] T. Claes, J. G. Molera, K. D. Vos, E. Schacht, R. Baets, and P. Bienstman, “Label-free biosensing with a slot-waveguide-based ring resonator in silicon on insulator,” IEEE Photonics Journal, 2009, 1(3): 197-204.
[6] Q. Liu, X. Tu, K. W. Kim, J. S. Kee, Y. Shin, K. Han, et al., “Highly sensitive Mach-Zehnder interferometer biosensor based on silicon nitride slot waveguide,” Sensors and Actuators B: Chemical, 2013, 188(11): 681–688.
[7] M. Hiltunen, J. Hiltunen, P. Stenberg, S. Aikio, L. Kurki, K. Vahimaa, et al., “Polymeric slot waveguide interferometer for sensor applications,” Optics Express, 2014, 22(6): 7229-7237.
[8] X. Wang, S. Grist, J. Flueckiger, N. A. F. Jaeger, and L. Chrostowski, “Silicon photonic slot waveguide Bragg gratings and resonators,” Optics Express, 2013, 21(16): 19029-19039.
[9] V. M. Passaro, F. Dell'Olio, C. Ciminelli, C. Ciminelli, and M. N. Armenise, “Efficient chemical sensing by coupled slot SOI waveguides,” Sensors, 2009, 9(2): 1012-1032.
[10] C. A. Barrios, B. Sánchez, K. B. Gylfason, A. Griol, H. Sohlstr-m, M. Holgado, et al., “Demonstration of slot-waveguide structures on silicon nitride / silicon oxide platform,” Optics Express, 2007, 15(11): 6846-6856.
[11] A. Spott, T. Baehrjones, R. Ding, Y. Liu, R. Bojko, T. O’Malley, et al., “Photolithographically fabricated low-loss asymmetric silicon slot waveguides,” Optics Express, 2011, 19(11): 10950-10958.
[12] F. Dell’Olio and V. M. N. Passaro, “Optical sensing by optimized silicon slot waveguides,” Optics Express, 2007, 15(8): 4977-4993.
[13] C. Viphavakit, M. Komodromos, C. Themistos, W. S. Mohammed, K. Kalli, and B. M. A. Rahman, “Optimization of a horizontal slot waveguide biosensor to detect DNA hybridization,” Applied Optics, 2015, 54(15): 4881-4888.
[14] S. Lee, S. C. Eom, J. S. Chang, C. Huh, G. Y. Sung, and J. H. Shin, “Label-free optical biosensing using a horizontal air-slot SiNx microdisk resonator,” Optics Express, 2010, 18(20): 20638-20644.
[15] P. T. Lin, S. Kwok, H. Y. G. Lin, V. Singh, L. C. Kimerling, G. M. Whitesides, et al., “Mid-infrared opto-nanofluidic slot-waveguide for label-free on-chip chemical sensing,” Nano Letters, 2014, 14(1): 231-238.
[16] B. Kumaria, R. K. Varshneya, and B. P. Pal, “Design of chip scale silicon rib slot waveguide for sub-ppm detection of N2O gas at mid-ir band,” Sensors and Actuators B: Chemical, 2018, 255: 3409-3416.
[17] L. Wang, J. Ren, X. Han, T. Claes, X. Jian, P. Bienstman, et al., “A label-free optical biosensor built on a low-cost polymer platform,” IEEE Photonics Journal, 2012, 4(3): 920-930.
[18] C. Y. Chao, W. Fung, and L. J. Guo, “Polymer microring resonators for biochemical sensing applications,” IEEE Journal of Selected Topics in Quantum Electronics, 2006, 12(1): 134-142.
[19] J. Halldorsson, N. B. Arnfinnsdottir, A. B. Jonsdottir, B. Agnarsson, and K. Leosson, “High index contrast polymer waveguide platform for integrated biophotonics,” Optics Express, 2010, 18(15): 16217-16226.
[20] J. Chovan and F. Uherek, “Polymeric slot waveguide for photonics sensing,” in 20th Slovak-Czech-Polish Optical Conference on Wave and Quantum Aspects of Contemporary Optics, Jasna, Slovakia, 2016, 10142, pp. 101420P-1-101420P-7.
[21] G. M. Hale and M. R. Querry, “Optical constants of water in the 200-nm to 200-μm wavelength region,” Applied Optics, 1973, 12(3): 555-563.
[22] A. F. Fucaloro, Y. Pu, K. Cha, A. Williams, and K. Conrad, “Partial molar volumes and refractions of aqueous solutions of fructose, glucose, mannose, and sucrose at 15.00, 20.00, and 25.00℃,” Journal of Solution Chemistry, 2007, 36(1): 61-80.
[23] X. Sun, D. Dai, L. Thylén, and L. Wosinski, “High-sensitivity liquid refractive-index sensor based on a Mach-Zehnder interferometer with a double-slot hybrid plasmonic waveguide,” Optics Express, 2015, 23(20): 25688-25699.
[24] S. Chandran, K. Ramesh, and B. K. Das, “Dispersion enhanced critically coupled ring resonator for wide range refractive index sensing,” IEEE Journal of Selected Topics in Quantum Electronics, 2016, 23(2): 424-432.
[25] W. Zhang, S. Serna, X. L. Roux, L. Vivien, and E. Cassan, “Highly sensitive refractive index sensing by fast detuning the critical coupling condition of slot waveguide ring resonators,” Optics Letters, 2016, 41(3): 532-535.