Author： Zhong Ting Lang Peilin Chen Xi Duan Gaoyan Yu Li Xiao Jinghua
Publisher： Edp Sciences
E-ISSN： 1286-0050|68|1|10501-10501
ISSN： 1286-0042
Source： EPJ Applied Physics (The), Vol.68, Iss.1, 2014-10, pp. : 10501-10501
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Abstract
We present a plasmonic splitter based on metal-insulator-metal (MIM) structure. This splitter consists of two parallel waveguides and two resonators. One resonator is a ring tangentially connected with the two waveguides, and the other resonator is a semi-ring directly connected to the lower waveguide. The finite-difference time-domain (FDTD) method is used to numerically analyze the transmittance spectra of the splitter. The results show that this splitter is a beam splitter when the wavelength of the incident wave is around 1355 nm or 1553 nm. This splitter can also be regarded as a power splitter. To our knowledge, this is the first designed surface plasmon polaritons (SPPs) splitter which utilize both the communication wavelengths at around 1310 nm and 1550 nm. This characteristics show potential applications in future optical circuits.
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