Acrylate polymer coated side-polished fiber with graphene oxide nanoparticles for ultrafast fiber laser operation
In this work, a mode-locked fiber laser with a side-polished fiber coated with graphene oxide nanoparticles as a saturable absorber (SA) is proposed and demonstrated. The SA is further coated with an acrylate polymer layer to add strength and durability, thus enabling real-world applications to be r...
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| Main Authors: | , , |
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| Format: | Article |
| Published: |
IOP Publishing
2018
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| Subjects: | |
| Online Access: | http://eprints.um.edu.my/22680/ https://doi.org/10.1088/1555-6611/aad93b |
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| Summary: | In this work, a mode-locked fiber laser with a side-polished fiber coated with graphene oxide nanoparticles as a saturable absorber (SA) is proposed and demonstrated. The SA is further coated with an acrylate polymer layer to add strength and durability, thus enabling real-world applications to be realized. The coated SA is capable of generated a pulsed output with a pulse width, pulse energy and pulse peak power of 1.09 ps, 0.013 nJ and 0.012 kW respectively. The cavity has a threshold power of 131.7 mW, and the output signals have a constant signal-to-noise ratio of about 33 dB over a test period of 1 h, indicating a highly stable output. The protective polymer coating allows a simple way to manufacture a rugged device with no penalty to performance. |
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