Transmissive fiber Bragg grating-based delay line interferometer for RZ-OOK to NRZ-OOK format conversion

Liu, Xin, Xu, Zuowei, Preciad, Miguel A., Gbadebo, Adenowo, Zhang, Lin, Xiong, Jiabi, Yu, Yu, Cao, Hui and Shu, Xuewen (2019). Transmissive fiber Bragg grating-based delay line interferometer for RZ-OOK to NRZ-OOK format conversion. IEEE Access ,

Abstract

We propose a return-to-zero on-off keying (RZ-OOK) to non-return-to-zero (NRZ) OOK conversion scheme based on a transmissive phase-modulated fiber Bragg grating (PM-FBG). The PM-FBG has a spectrum similar to the combination of a delay line interferometer and a narrow band optical filter, which is designed and synthesized using numerical optimization algorithm. The coupling strength of the PM-FBG is almost uniform and the grating period varies along the fiber length according to the optimization method. The designed PM-FBG has been fabricated using advanced ultraviolet laser inscription technique. Experimental results show that such a PM-FBG can perform RZ-OOK to NRZ-OOK format conversion successfully.

Publication DOI: https://doi.org/10.1109/ACCESS.2019.2938021
Divisions: Engineering & Applied Sciences > Electrical, Electronic & Power Engineering
Engineering & Applied Sciences > Aston Institute of Photonics Technology
Engineering & Applied Sciences
Additional Information: This work is licensed under a Creative Commons Attribution 4.0 License. For more information, see https://creativecommons.org/licenses/by/4.0/ Funding: National Natural Science Foundation of China (NSFC) (61775074), 111 Project (B07038) and Natural Science Foundation of Guangdong Province, China (2015A030313633).
Uncontrolled Keywords: Bragg gratings,fiber optics,optical fiber devices,optical signal processing,optical fiber communication
Full Text Link:
Related URLs: https://ieeexpl ... cument/8817987/ (Publisher URL)
Published Online Date: 2019-08-28
Authors: Liu, Xin
Xu, Zuowei
Preciad, Miguel A.
Gbadebo, Adenowo
Zhang, Lin ( 0000-0002-1691-5577)
Xiong, Jiabi
Yu, Yu
Cao, Hui
Shu, Xuewen

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License: Creative Commons Attribution

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