Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

Xianting Zhang; Shaokang Wang; Nan Guo; Feng Li; Curtis R. Menyuk; P. K.A. Wai

doi:10.1364/OE.27.014173

Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

Xianting Zhang, Shaokang Wang, Nan Guo, Feng Li, Curtis R. Menyuk, P. K.A. Wai

The Hong Kong Polytechnic University

Research output: Journal article publication › Journal article › Academic research › peer-review

9 Citations (Scopus)

Abstract

Multi-channel modelocked lasers and their design have attracted much attention. Here, we use the Swift-Hohenberg equation to study dual-channel simultaneous modelocking (DSML) in a fiber laser. When a quartic filter is added to the laser cavity, the stable dual-channel simultaneous modelocking can be obtained for a given filter bandwidth when frequency separation, ω_s, is less than a calculated threshold, ωth. When ω_s > ωth, a multipulsing instability occurs. We use a linear stability analysis to determine the limit that the multi-pulsing instability imposes on DSML, and we propose a cavity design that avoids the multi-pulsing instability.

Original language	English
Pages (from-to)	14173-14183
Number of pages	11
Journal	Optics Express
Volume	27
Issue number	10
DOIs	https://doi.org/10.1364/OE.27.014173
Publication status	Published - 1 Jan 2019

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1364/OE.27.014173

http://hdl.handle.net/10397/81092

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abstract = "Multi-channel modelocked lasers and their design have attracted much attention. Here, we use the Swift-Hohenberg equation to study dual-channel simultaneous modelocking (DSML) in a fiber laser. When a quartic filter is added to the laser cavity, the stable dual-channel simultaneous modelocking can be obtained for a given filter bandwidth when frequency separation, ωs, is less than a calculated threshold, ωth. When ωs > ωth, a multipulsing instability occurs. We use a linear stability analysis to determine the limit that the multi-pulsing instability imposes on DSML, and we propose a cavity design that avoids the multi-pulsing instability.",

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AU - Menyuk, Curtis R.

AU - Wai, P. K.A.

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N2 - Multi-channel modelocked lasers and their design have attracted much attention. Here, we use the Swift-Hohenberg equation to study dual-channel simultaneous modelocking (DSML) in a fiber laser. When a quartic filter is added to the laser cavity, the stable dual-channel simultaneous modelocking can be obtained for a given filter bandwidth when frequency separation, ωs, is less than a calculated threshold, ωth. When ωs > ωth, a multipulsing instability occurs. We use a linear stability analysis to determine the limit that the multi-pulsing instability imposes on DSML, and we propose a cavity design that avoids the multi-pulsing instability.

AB - Multi-channel modelocked lasers and their design have attracted much attention. Here, we use the Swift-Hohenberg equation to study dual-channel simultaneous modelocking (DSML) in a fiber laser. When a quartic filter is added to the laser cavity, the stable dual-channel simultaneous modelocking can be obtained for a given filter bandwidth when frequency separation, ωs, is less than a calculated threshold, ωth. When ωs > ωth, a multipulsing instability occurs. We use a linear stability analysis to determine the limit that the multi-pulsing instability imposes on DSML, and we propose a cavity design that avoids the multi-pulsing instability.

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Design of a dual-channel modelocked fiber laser that avoids multi-pulsing

Abstract

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