Pulse dynamics in carbon nanotube mode-locked fiber lasers near zero cavity dispersion

Jinzhang Wang; Zhiping Cai; Ping Xu; Geguo Du; Fengqiu Wang; Shuangchen Ruan; Zhipei Sun; Tawfique Hasan

doi:10.1364/OE.23.009947

Pulse dynamics in carbon nanotube mode-locked fiber lasers near zero cavity dispersion

Jinzhang Wang, Zhiping Cai, Ping Xu, Geguo Du, Fengqiu Wang, Shuangchen Ruan, Zhipei Sun, Tawfique Hasan

Zhipei Sun Group

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

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Abstract

We numerically and experimentally analyze the output characteristics and pulse dynamics of carbon nanotube mode-locked fiber lasers near zero cavity dispersion (from 0.02 to ∼- 0.02 ps²). We focus on such near zero dispersion cavities to reveal the dispersion related transition between different mode-locking regimes (such as soliton-like, stretchedpulse and self-similar regimes). Using our proposed model, we develop a nanotube-mode-locked fiber laser setup generating ∼97 fs pulse which operates in the stretched-pulse regime. The corresponding experimental results and pulse dynamics are in good agreement with the numerical results. Also, the experimental results from soliton-like and self-similar regimes exhibit the same trends with simulations. Our study will aid design of different mode-locking regimes based on other new saturable absorber materials to achieve ultra-short pulse duration.

Original language	English
Pages (from-to)	19947-19958
Number of pages	12
Journal	Optics Express
Volume	23
Issue number	8
DOIs	https://doi.org/10.1364/OE.23.009947
Publication status	Published - 2015
MoE publication type	A1 Journal article-refereed

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title = "Pulse dynamics in carbon nanotube mode-locked fiber lasers near zero cavity dispersion",

abstract = "We numerically and experimentally analyze the output characteristics and pulse dynamics of carbon nanotube mode-locked fiber lasers near zero cavity dispersion (from 0.02 to ∼- 0.02 ps2). We focus on such near zero dispersion cavities to reveal the dispersion related transition between different mode-locking regimes (such as soliton-like, stretchedpulse and self-similar regimes). Using our proposed model, we develop a nanotube-mode-locked fiber laser setup generating ∼97 fs pulse which operates in the stretched-pulse regime. The corresponding experimental results and pulse dynamics are in good agreement with the numerical results. Also, the experimental results from soliton-like and self-similar regimes exhibit the same trends with simulations. Our study will aid design of different mode-locking regimes based on other new saturable absorber materials to achieve ultra-short pulse duration.",

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T1 - Pulse dynamics in carbon nanotube mode-locked fiber lasers near zero cavity dispersion

AU - Wang, Jinzhang

AU - Cai, Zhiping

AU - Xu, Ping

AU - Du, Geguo

AU - Wang, Fengqiu

AU - Ruan, Shuangchen

AU - Sun, Zhipei

AU - Hasan, Tawfique

PY - 2015

Y1 - 2015

N2 - We numerically and experimentally analyze the output characteristics and pulse dynamics of carbon nanotube mode-locked fiber lasers near zero cavity dispersion (from 0.02 to ∼- 0.02 ps2). We focus on such near zero dispersion cavities to reveal the dispersion related transition between different mode-locking regimes (such as soliton-like, stretchedpulse and self-similar regimes). Using our proposed model, we develop a nanotube-mode-locked fiber laser setup generating ∼97 fs pulse which operates in the stretched-pulse regime. The corresponding experimental results and pulse dynamics are in good agreement with the numerical results. Also, the experimental results from soliton-like and self-similar regimes exhibit the same trends with simulations. Our study will aid design of different mode-locking regimes based on other new saturable absorber materials to achieve ultra-short pulse duration.

AB - We numerically and experimentally analyze the output characteristics and pulse dynamics of carbon nanotube mode-locked fiber lasers near zero cavity dispersion (from 0.02 to ∼- 0.02 ps2). We focus on such near zero dispersion cavities to reveal the dispersion related transition between different mode-locking regimes (such as soliton-like, stretchedpulse and self-similar regimes). Using our proposed model, we develop a nanotube-mode-locked fiber laser setup generating ∼97 fs pulse which operates in the stretched-pulse regime. The corresponding experimental results and pulse dynamics are in good agreement with the numerical results. Also, the experimental results from soliton-like and self-similar regimes exhibit the same trends with simulations. Our study will aid design of different mode-locking regimes based on other new saturable absorber materials to achieve ultra-short pulse duration.

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Pulse dynamics in carbon nanotube mode-locked fiber lasers near zero cavity dispersion

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