Fabrication and characterization on an organic/inorganic 2 x 2 Mach-Zehnder interferometer thermo-optic switch

被引：10
作者：
Liang, Lei [1 ]
Qv, Lucheng [1 ]
Zhang, Lijun [1 ]
Zheng, Chuantao [1 ]
Sun, Xiaoqiang [1 ]
Wang, Fei [1 ]
Zhang, Daming [1 ]
机构：
[1] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, Changchun 130012, Peoples R China
来源：
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS | 2014年 / 12卷 / 02期
基金：
中国博士后科学基金;
关键词：
Organic/inorganic hybrid waveguide; Thermo-optic (TO) switch; Polymer; DC-MZI; TOTAL-INTERNAL-REFLECTION; WAVE-GUIDES; LOW-POWER;
D O I：
10.1016/j.photonics.2013.12.001
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
An organic/inorganic hybrid 2 x 2 directional coupler (DC) Mach-Zehnder interferometer (MZI) thermo-optic (TO) switch was successfully designed and fabricated using simple direct ultraviolet photolithography process. The hybrid organic/inorganic waveguide structure includes poly-methyl-methacrylate-glycidyl-methacrylate (P(MMA-GMA)), SU-8 2005 and silica as core, upper cladding and under cladding, respectively. Device optimization and simulation were performed to decrease radiation loss and leakage loss, quicken response time and cut down power consumption. Measurements of the fabricated devices at 1550 nm wavelength result in a switching power of 7.2 mW, a response time of similar to 100 mu s, and crosstalk of -22.8 and -26.5 dB under cross state and bar state, respectively. Besides, the driving-noise-tolerance characteristics of this device were experimentally investigated by directly imposing a generated tunable noise on the pure driving signal (4 V-pp) and the minimum extinction ratio is larger than 18 dB under a noise level of 2.5 V-pp. The effect of noise on extinction ratio was found decreased with the increase of noise frequency. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：173 / 183
页数：11
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