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

Xin Liu, Zuowei Xu, Miguel A. Preciad, Adenowo Gbadebo, Lin Zhang, Jiabi Xiong, Yu Yu, Hui Cao, Xuewen Shu

Research output: Contribution to journalArticle

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.
Original languageEnglish
Pages (from-to)140300 - 140304
JournalIEEE Access
Volume7
Early online date28 Aug 2019
DOIs
Publication statusPublished - 31 Dec 2019

Fingerprint

Electric delay lines
Fiber Bragg gratings
Interferometers
Ultraviolet lasers
Optical filters
Diffraction gratings
Amplitude shift keying
Fibers

Bibliographical note

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).

Keywords

  • Bragg gratings
  • fiber optics
  • optical fiber devices
  • optical signal processing
  • optical fiber communication

Cite this

Liu, Xin ; Xu, Zuowei ; Preciad, Miguel A. ; Gbadebo, Adenowo ; Zhang, Lin ; Xiong, Jiabi ; Yu, Yu ; Cao, Hui ; Shu, Xuewen. / Transmissive fiber Bragg grating-based delay line interferometer for RZ-OOK to NRZ-OOK format conversion. In: IEEE Access. 2019 ; Vol. 7. pp. 140300 - 140304.
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title = "Transmissive fiber Bragg grating-based delay line interferometer for RZ-OOK to NRZ-OOK format conversion",
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.",
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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; Shu, Xuewen.

In: IEEE Access, Vol. 7, 31.12.2019, p. 140300 - 140304.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Transmissive fiber Bragg grating-based delay line interferometer for RZ-OOK to NRZ-OOK format conversion

AU - Liu, Xin

AU - Xu, Zuowei

AU - Preciad, Miguel A.

AU - Gbadebo, Adenowo

AU - Zhang, Lin

AU - Xiong, Jiabi

AU - Yu, Yu

AU - Cao, Hui

AU - Shu, Xuewen

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PY - 2019/12/31

Y1 - 2019/12/31

N2 - 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.

AB - 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.

KW - Bragg gratings

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