Type

Journal Article

Authors

Yong Qing Fu
Haibing Lv
Bo Liu
Xiangjun Xin
Xinzhu Sang
Chongxiu Yu
Jinhui Yuan
Gerald Farrell
Yuliya Semenova
Xiaodong Yuan
and 9 others

Subjects

Physics

Topics
electrical and computer engineering all fiber fiber comb filter communication systems mach zehnder interferometer single mode fiber multimode interference all fiber comb filter optical fiber multimode fiber

A simple all-fiber comb filter based on the combined effect of multimode interference and Mach-Zehnder interferometer. (2018)

Abstract A polarization-dependent all-fiber comb filter based on a combination effect of multimode interference and Mach-Zehnder interferometer was proposed and demonstrated. The comb filter was composed with a short section of multimode fiber (MMF) fusion spliced with a conventional single mode fiber on the one side and a short section of a different type of optical fiber on the other side. The second type of optical fiber is spliced to the MMF with a properly designed misalignment. Different types and lengths of fibers were used to investigate the influence of fiber types and lengths on the performance of the comb filter. Experimentally, several comb filters with free spectral range (FSR) values ranging from 0.236 to 1.524 nm were achieved. The extinction ratio of the comb filter can be adjusted from 6 to 11.1 dB by varying polarization states of the input light, while maintaining the FSR unchanged. The proposed comb filter has the potential to be used in optical dense wavelength division multiplexing communication systems.
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Full list of authors on original publication

Yong Qing Fu, Haibing Lv, Bo Liu, Xiangjun Xin, Xinzhu Sang, Chongxiu Yu, Jinhui Yuan, Gerald Farrell, Yuliya Semenova, Xiaodong Yuan and 9 others

Experts in our system

1
Yong Qing Fu
TU Dublin
Total Publications: 5
 
2
Bo Liu
TU Dublin
Total Publications: 8
 
3
Xinzhu Sang
TU Dublin
Total Publications: 14
 
4
Chongxiu Yu
TU Dublin
Total Publications: 26
 
5
Jinhui Yuan
TU Dublin
Total Publications: 24
 
6
Gerald Farrell
TU Dublin
Total Publications: 212
 
7
Yuliya Semenova
TU Dublin
Total Publications: 136