Carrier-suppressed return-to-zero to non-return-to-zero format conversion based on a single fiber Bragg grating with knife-shaped spectra

Hui Cao, Javid Atai*, Yu Yu, Bangyun Xiong, Yan Zhou, Jing Cai, Xuewen Shu

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

We propose a novel carrier-suppressed return-to-zero (CSRZ) to non-return-to-zero (NRZ) conversion scheme based on a single custom-designed fiber Bragg grating (FBG) with a knife-shaped spectrum. The structure of the FBG is designed and synthesized using a discrete layer-peeling inverse scattering technique. It is shown that such an FBG can replace the combination of interferometer and the cascaded filter that is invariably employed in the reported schemes for CSRZ to NRZ format conversion. Simulation results show that conversion of 40 Gbit/s CSRZ into NRZ signals results in a Q factor that is 4.5 dB greater than the previously reported schemes.

Original languageEnglish
Pages (from-to)5649-5653
Number of pages5
JournalApplied Optics
Volume53
Issue number25
DOIs
Publication statusPublished - 1 Sep 2014

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Fiber Bragg gratings
Bragg gratings
format
fibers
Q factor
peeling
Peeling
inverse scattering
interferometer
Interferometers
Q factors
interferometers
scattering
Scattering
filter
filters
simulation
fibre

Cite this

Cao, Hui ; Atai, Javid ; Yu, Yu ; Xiong, Bangyun ; Zhou, Yan ; Cai, Jing ; Shu, Xuewen. / Carrier-suppressed return-to-zero to non-return-to-zero format conversion based on a single fiber Bragg grating with knife-shaped spectra. In: Applied Optics. 2014 ; Vol. 53, No. 25. pp. 5649-5653.
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abstract = "We propose a novel carrier-suppressed return-to-zero (CSRZ) to non-return-to-zero (NRZ) conversion scheme based on a single custom-designed fiber Bragg grating (FBG) with a knife-shaped spectrum. The structure of the FBG is designed and synthesized using a discrete layer-peeling inverse scattering technique. It is shown that such an FBG can replace the combination of interferometer and the cascaded filter that is invariably employed in the reported schemes for CSRZ to NRZ format conversion. Simulation results show that conversion of 40 Gbit/s CSRZ into NRZ signals results in a Q factor that is 4.5 dB greater than the previously reported schemes.",
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Carrier-suppressed return-to-zero to non-return-to-zero format conversion based on a single fiber Bragg grating with knife-shaped spectra. / Cao, Hui; Atai, Javid; Yu, Yu; Xiong, Bangyun; Zhou, Yan; Cai, Jing; Shu, Xuewen.

In: Applied Optics, Vol. 53, No. 25, 01.09.2014, p. 5649-5653.

Research output: Contribution to journalArticle

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AU - Cao, Hui

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AB - We propose a novel carrier-suppressed return-to-zero (CSRZ) to non-return-to-zero (NRZ) conversion scheme based on a single custom-designed fiber Bragg grating (FBG) with a knife-shaped spectrum. The structure of the FBG is designed and synthesized using a discrete layer-peeling inverse scattering technique. It is shown that such an FBG can replace the combination of interferometer and the cascaded filter that is invariably employed in the reported schemes for CSRZ to NRZ format conversion. Simulation results show that conversion of 40 Gbit/s CSRZ into NRZ signals results in a Q factor that is 4.5 dB greater than the previously reported schemes.

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