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Chin. Opt. Lett.
 Home  List of Issues    Issue 10 , Vol. 14 , 2016    10.3788/COL201614.100603


All-fiber electro-optic modulator based on D-shaped twin-core fiber
Jianshuai Wang1;2, Li Pei1;2, Sijun Weng1;2, Liangying Wu1;2, Tigang Ning1;2, and Jing Li1;2
1 Institute of Lightwave Technology, [Beijing Jiaotong University], Beijing 1 00044, China
2 Key Laboratory of All Optical Network and Advanced Telecommunication Network of Ministry of Education, [Beijing Jiaotong University], Beijing 100044, China

Chin. Opt. Lett., 2016, 14(10): pp.100603

DOI:10.3788/COL201614.100603
Topic:Fiber optics and optical communication
Keywords(OCIS Code): 060.2310  060.4080  

Abstract
In a D-shaped twin-core fiber (DTCF), the central core is insensitive to the variation of the external environment, while the other core is highly sensitive. As an electro-optic polymer coated on a DTCF, the coupling between the two cores varies with voltages applied to the polymer. Based on this, a superior all-fiber modulator is proposed that bears little coupling loss, prohibits mode mismatch, and provides a more stable working circumstance. A half-wave driving voltage (Vπ) of 1.26 V is achieved. Moreover, a high modulation depth of 40 dB can be realized for a voltage of 2.7 V at a 1550 nm wavelength.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2016/4/29
Accepted:2016/8/26
Posted online:2016/9/21

Get Citation: Jianshuai Wang, Li Pei, Sijun Weng, Liangying Wu, Tigang Ning, and Jing Li, "All-fiber electro-optic modulator based on D-shaped twin-core fiber," Chin. Opt. Lett. 14(10), 100603(2016)

Note: This work was financially supported by the National Natural Science Foundation of China under Grant No. 61525501.



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