Nanosecond-pulse fiber laser mode-locked with polyaniline saturable absorber

被引：7

作者：

Ahmad A.D. ^{[1
]}

Mokhtar N. ^{[1
]}

Rosol A.H.A. ^{[1
]}

Arof H. ^{[1
]}

Apsari R. ^{[2
]}

Harun S.W. ^{[1
,2
]}

机构：

[1] Photonics Engineering Laboratory, Department of Electrical Engineering, University of Malaya, Kuala Lumpur

[2] Department of Physics, Faculty of Science and Technology, Airlangga University, Surabaya

来源：

Optik | 2024年 / 301卷

关键词：

Fiber laser; Mode-locking; Polyaniline; Saturable absorber;

D O I：

10.1016/j.ijleo.2024.171692

中图分类号：

学科分类号：

摘要：

We prove that mode-locking of an Erbium-doped fiber laser (EDFL) with a Polyaniline (PANI) saturable absorber (SA) can produce nanosecond pulses at repetition rate of 962 kHz in the elongated ring cavity. The SA is fabricated by embedding a PANI into PVA. The conducting polymer-based SA exhibits a good optical nonlinear property with a modulation depth of 2.3%. The laser operated in nanosecond regime due to the saturable absorption of the PANI PVA SA instead of nonlinear polarization evolution. A clean single pulse is observed, and the pulse train exhibits low jitter. It operated at 1530.8 nm with a pulse duration of 228 ns and a maximum pulse energy of 3.1 nJ. Due to its extremely large chirp property, the proposed laser is suited for application in the chirped-pulse amplification systems. © 2024 Elsevier GmbH

引用

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