Optical pulse shaping based on a double-phase-shifted fiber Bragg grating

Xiao-wei Dong; Pan Guo

doi:10.1007/s11801-015-5016-z

Optoelectronics Letters ›› , Vol. 11 ›› Issue (2) : 100-102. DOI: 10.1007/s11801-015-5016-z

Article

Optical pulse shaping based on a double-phase-shifted fiber Bragg grating

Xiao-wei Dong¹^,^a ,
Pan Guo¹

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Abstract

Based on the transfer matrix method, a detailed theoretical and numerical study on double-phase-shifted fiber Bragg grating (FBG) is investigated. Temporal responses of the double-phase-shifted FBG to optical pulse are analyzed and the influence of the two phase-shifts’ position on the reflected output pulse is evaluated. Results demonstrate that very different temporal pulse waveforms can be achieved by adjusting the length ratio (α=L₂/L₁). Specifically, a transform-limited Gaussian input optical pulse can be shaped into flat-top square pulse (α=1.81) or two identical optical pulse sequences (α=1.93).

Keywords

Fiber Bragg Grating / Length Ratio / Optical Pulse / Output Pulse / Transfer Matrix Method

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Xiao-wei Dong, Pan Guo. Optical pulse shaping based on a double-phase-shifted fiber Bragg grating. Optoelectronics Letters, , 11(2): 100‒102 https://doi.org/10.1007/s11801-015-5016-z

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This work has been supported by the Foundation of Beijing Municipal Committee of CPC Organization Department (No.2012D005002000001), the Talents of North China University of Technology (No.CCXZ201307) and the Importation and Development of High-Caliber Talents Project of Beijing Municipal Institutions (No.CIT&TCD201304001).