Mode-locked thulium doped fibre laser with copper thin film saturable absorber

A. R. Muhammad; M. T. Ahmad; R. Zakaria; P. P. Yupapin; S. W. Harun; M. Yasin

doi:10.1080/09500340.2019.1622048

Mode-locked thulium doped fibre laser with copper thin film saturable absorber

A. R. Muhammad, M. T. Ahmad, R. Zakaria, P. P. Yupapin, S. W. Harun, M. Yasin

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

16 Citations (Scopus)

Abstract

We demonstrate the generation of mode-locked Thulium-Doped Fibre Laser by employing a newly developed saturable absorber (SA) based on copper (Cu) thin film. The SA was prepared by depositing nano-sized particles of Cu onto the surface of polyvinyl alcohol (PVA) film through the E-Beam evaporation process. A stable mode-locking pulse train operating at 1951 nm was successfully generated by introducing the Cu PVA SA into a laser cavity. The laser generated a pulse train at the fundamental frequency of 8.5 MHz with a calculated minimum pulse width of 14.8 ps. This demonstration proves that the Cu PVA based SA is suitable for generating mode-locked fibre laser at 2 µm region.

Original language	English
Pages (from-to)	1381-1385
Number of pages	5
Journal	Journal of Modern Optics
Volume	66
Issue number	13
DOIs	https://doi.org/10.1080/09500340.2019.1622048
Publication status	Published - 29 Jul 2019

Keywords

Mode-locking
copper thin film
fiber laser
passive saturable absorber

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10.1080/09500340.2019.1622048

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title = "Mode-locked thulium doped fibre laser with copper thin film saturable absorber",

abstract = "We demonstrate the generation of mode-locked Thulium-Doped Fibre Laser by employing a newly developed saturable absorber (SA) based on copper (Cu) thin film. The SA was prepared by depositing nano-sized particles of Cu onto the surface of polyvinyl alcohol (PVA) film through the E-Beam evaporation process. A stable mode-locking pulse train operating at 1951 nm was successfully generated by introducing the Cu PVA SA into a laser cavity. The laser generated a pulse train at the fundamental frequency of 8.5 MHz with a calculated minimum pulse width of 14.8 ps. This demonstration proves that the Cu PVA based SA is suitable for generating mode-locked fibre laser at 2 µm region.",

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AU - Ahmad, M. T.

AU - Zakaria, R.

AU - Yupapin, P. P.

AU - Harun, S. W.

AU - Yasin, M.

PY - 2019/7/29

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N2 - We demonstrate the generation of mode-locked Thulium-Doped Fibre Laser by employing a newly developed saturable absorber (SA) based on copper (Cu) thin film. The SA was prepared by depositing nano-sized particles of Cu onto the surface of polyvinyl alcohol (PVA) film through the E-Beam evaporation process. A stable mode-locking pulse train operating at 1951 nm was successfully generated by introducing the Cu PVA SA into a laser cavity. The laser generated a pulse train at the fundamental frequency of 8.5 MHz with a calculated minimum pulse width of 14.8 ps. This demonstration proves that the Cu PVA based SA is suitable for generating mode-locked fibre laser at 2 µm region.

AB - We demonstrate the generation of mode-locked Thulium-Doped Fibre Laser by employing a newly developed saturable absorber (SA) based on copper (Cu) thin film. The SA was prepared by depositing nano-sized particles of Cu onto the surface of polyvinyl alcohol (PVA) film through the E-Beam evaporation process. A stable mode-locking pulse train operating at 1951 nm was successfully generated by introducing the Cu PVA SA into a laser cavity. The laser generated a pulse train at the fundamental frequency of 8.5 MHz with a calculated minimum pulse width of 14.8 ps. This demonstration proves that the Cu PVA based SA is suitable for generating mode-locked fibre laser at 2 µm region.

KW - Mode-locking

KW - copper thin film

KW - fiber laser

KW - passive saturable absorber

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Mode-locked thulium doped fibre laser with copper thin film saturable absorber

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Keywords

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