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Simulation Demonstration and Experimental Fabrication of a Multiple-Slot Waveguide

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5 Author(s)
Xiaoguang Tu ; Chinese Acad. of Sci., Beijing ; Xuejun Xu ; Shaowu Chen ; Jinzhong Yu
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A multiple-slot waveguide is presented and demonstrated through theoretical simulation. Taking a double-slot waveguide as an example, the results show a nearly 30% enhancement of optical intensity compared with the traditional single-slot waveguide with the same slot gap width. Therefore, the E-field intensity of the slot can be increased by adding another smaller slot. A double-slot waveguide with oxide and air as low index slot materials is realized experimentally and the formation processes of the slots are analyzed.

Published in:

Photonics Technology Letters, IEEE  (Volume:20 ,  Issue: 5 )