Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber

We present a numerical analysis of noise performance improvement of the erbium-doped fiber amplifier by flatting the mode field intensity distribution within the interaction region of erbium ions. Three different refractive index types of erbium-doped fiber were used to study the effect of the pump...

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Autores principales:	Qiang Qiu, Zhimu Gu, Le He, Yang Chen, Yang Lou, Jinggang Peng, HaiQing Li, Yingbin Xing, Yingbo Chu, Nengli Dai, Jinyan Li
Formato:	article
Lenguaje:	EN
Publicado:	IEEE 2022
Materias:	Erbium-doped fiber amplifier noise figure optical communication Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/d59f318d6a7e4ff0aae665712bd94006
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spelling	oai:doaj.org-article:d59f318d6a7e4ff0aae665712bd940062021-11-23T00:00:26ZUltra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber1943-065510.1109/JPHOT.2021.3121728https://doaj.org/article/d59f318d6a7e4ff0aae665712bd940062022-01-01T00:00:00Zhttps://ieeexplore.ieee.org/document/9583847/https://doaj.org/toc/1943-0655We present a numerical analysis of noise performance improvement of the erbium-doped fiber amplifier by flatting the mode field intensity distribution within the interaction region of erbium ions. Three different refractive index types of erbium-doped fiber were used to study the effect of the pump mode intensity distribution on noise performance. The results show that taking advantage of the depressed refractive index erbium-doped fiber which has a flat mode distribution in the fiber core, the maximum reduction of nearly 0.53 dB for noise figure was achieved across the full C-band. Based on the center depressed refractive index profile, the noise figure was further decreased by about 0.1 dB by reducing the doping radius to 0.71 μm. Finally, maintaining the same gain level of ∼38.3 dB, a NF reduction of ∼0.63 dB was realized by introducing the center depressed refractive index profile and narrowing the erbium doping region. It is suggested that our investigation shows great potential for improving the noise performance of the erbium-doped fiber amplifier.Qiang QiuZhimu GuLe HeYang ChenYang LouJinggang PengHaiQing LiYingbin XingYingbo ChuNengli DaiJinyan LiIEEEarticleErbium-doped fiber amplifiernoise figureoptical communicationApplied optics. PhotonicsTA1501-1820Optics. LightQC350-467ENIEEE Photonics Journal, Vol 14, Iss 1, Pp 1-6 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Erbium-doped fiber amplifier noise figure optical communication Applied optics. Photonics TA1501-1820 Optics. Light QC350-467
spellingShingle	Erbium-doped fiber amplifier noise figure optical communication Applied optics. Photonics TA1501-1820 Optics. Light QC350-467 Qiang Qiu Zhimu Gu Le He Yang Chen Yang Lou Jinggang Peng HaiQing Li Yingbin Xing Yingbo Chu Nengli Dai Jinyan Li Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber
description	We present a numerical analysis of noise performance improvement of the erbium-doped fiber amplifier by flatting the mode field intensity distribution within the interaction region of erbium ions. Three different refractive index types of erbium-doped fiber were used to study the effect of the pump mode intensity distribution on noise performance. The results show that taking advantage of the depressed refractive index erbium-doped fiber which has a flat mode distribution in the fiber core, the maximum reduction of nearly 0.53 dB for noise figure was achieved across the full C-band. Based on the center depressed refractive index profile, the noise figure was further decreased by about 0.1 dB by reducing the doping radius to 0.71 μm. Finally, maintaining the same gain level of ∼38.3 dB, a NF reduction of ∼0.63 dB was realized by introducing the center depressed refractive index profile and narrowing the erbium doping region. It is suggested that our investigation shows great potential for improving the noise performance of the erbium-doped fiber amplifier.
format	article
author	Qiang Qiu Zhimu Gu Le He Yang Chen Yang Lou Jinggang Peng HaiQing Li Yingbin Xing Yingbo Chu Nengli Dai Jinyan Li
author_facet	Qiang Qiu Zhimu Gu Le He Yang Chen Yang Lou Jinggang Peng HaiQing Li Yingbin Xing Yingbo Chu Nengli Dai Jinyan Li
author_sort	Qiang Qiu
title	Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber
title_short	Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber
title_full	Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber
title_fullStr	Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber
title_full_unstemmed	Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber
title_sort	ultra-low noise figure in optical fiber amplifier by tailoring the mode field profile of erbium-doped fiber
publisher	IEEE
publishDate	2022
url	https://doaj.org/article/d59f318d6a7e4ff0aae665712bd94006
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Ultra-Low Noise Figure in Optical Fiber Amplifier by Tailoring the Mode Field Profile of Erbium-Doped Fiber

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