A study of the linearity performance of a stimulated brillouin scattering-based microwave photonic bandpass filter

M. Pagani; E.H.W. Chan; R.A. Minasian

doi:10.1109/JLT.2013.2296072

A study of the linearity performance of a stimulated brillouin scattering-based microwave photonic bandpass filter

M. Pagani, E.H.W. Chan, R.A. Minasian

Research output: Contribution to journal › Article › peer-review

Abstract

The linearity of stimulated Brillouin scattering (SBS) is studied in detail for the first time. A closed-form expression which measures the linearity of an SBS system is derived. This expression allows one to design the region of linear operation, and the amount of Brillouin gain of an SBS system, by altering some basic system parameters. The theory presented is experimentally verified using an SBS-based microwave photonic filter structure. The effect of the length of the Brillouin medium on the linearity of the filter is investigated, and a 9.7 dB extension in the dynamic range is demonstrated by reducing the length of the fibre used as the Brillouin medium, from 25 to 0.57 km, while the filter stopband rejection level remains 30 dB.

Original language	English
Article number	14031762
Pages (from-to)	999-1005
Number of pages	7
Journal	Journal of Lightwave Technology
Volume	32
Issue number	5
DOIs	https://doi.org/10.1109/JLT.2013.2296072
Publication status	Published - 1 Mar 2014

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title = "A study of the linearity performance of a stimulated brillouin scattering-based microwave photonic bandpass filter",

abstract = "The linearity of stimulated Brillouin scattering (SBS) is studied in detail for the first time. A closed-form expression which measures the linearity of an SBS system is derived. This expression allows one to design the region of linear operation, and the amount of Brillouin gain of an SBS system, by altering some basic system parameters. The theory presented is experimentally verified using an SBS-based microwave photonic filter structure. The effect of the length of the Brillouin medium on the linearity of the filter is investigated, and a 9.7 dB extension in the dynamic range is demonstrated by reducing the length of the fibre used as the Brillouin medium, from 25 to 0.57 km, while the filter stopband rejection level remains 30 dB. ",

keywords = "Brillouin pump, Dynamic range, linearity, Microwave Photonics, Photonic signal processing, Bandpass filters, Microwave filters, Signal processing, Stimulated Brillouin scattering",

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AU - Pagani, M.

AU - Chan, E.H.W.

AU - Minasian, R.A.

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N2 - The linearity of stimulated Brillouin scattering (SBS) is studied in detail for the first time. A closed-form expression which measures the linearity of an SBS system is derived. This expression allows one to design the region of linear operation, and the amount of Brillouin gain of an SBS system, by altering some basic system parameters. The theory presented is experimentally verified using an SBS-based microwave photonic filter structure. The effect of the length of the Brillouin medium on the linearity of the filter is investigated, and a 9.7 dB extension in the dynamic range is demonstrated by reducing the length of the fibre used as the Brillouin medium, from 25 to 0.57 km, while the filter stopband rejection level remains 30 dB.

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KW - Brillouin pump

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KW - Microwave Photonics

KW - Photonic signal processing, Bandpass filters

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A study of the linearity performance of a stimulated brillouin scattering-based microwave photonic bandpass filter

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