Plasmonically induced reflection in metal–insulator–metal waveguides with two silver baffles coupled square ring resonator<sup><xref rid="cpb_26_12_124212_fn1" ref-type="fn">*</xref></sup> <fn id="cpb_26_12_124212_fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61605177, 61275166, and 11504139), the National Science Fund for Distinguished Young Scholars, China (Grant No. 61525107), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20140167), the Natural Science Foundation of Shanxi Province, China (Grant No. 201601D011008), the Fund Program for the Scientific Activities of Selected Returned Overseas Professionals in Shanxi Province, China, the Program for the Top Young and Middle-aged Innovative Talents of Higher Learning Institutions of Shanxi Province, China, and the North University of China Science Fund for Distinguished Young Scholars.</p> </fn>

Plasmonically induced reflection in metal–insulator–metal waveguides with two silver baffles coupled square ring resonator^* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 61605177, 61275166, and 11504139), the National Science Fund for Distinguished Young Scholars, China (Grant No. 61525107), the Natural Science Foundation of Jiangsu Province, China (Grant No. BK20140167), the Natural Science Foundation of Shanxi Province, China (Grant No. 201601D011008), the Fund Program for the Scientific Activities of Selected Returned Overseas Professionals in Shanxi Province, China, the Program for the Top Young and Middle-aged Innovative Talents of Higher Learning Institutions of Shanxi Province, China, and the North University of China Science Fund for Distinguished Young Scholars.

Zhang Zhi-Dong^{1, 2}, Ma Lian-Jun², Gao Fei⁴, Zhang Yan-Jun^{1, 2}, Tang Jun^{1, 2}, Cao Hui-Liang^{1, 2, †}, Zhang Bin-Zhen^{1, 2}, Wang Ji-Cheng³, Yan Shu-Bin^{1, ‡}, Xue Chen-Yang^{1, 2}

(color online) (a) Transmission spectra of different values of coupling distance h, (b) different values of L₂ of the square ring cavity and (c) different values of refractive index n. (d) Relationship between resonance peak wavelength λ and refractive index n.