L-band femtosecond fiber laser based on reduced graphene oxide polymer composite saturable absorber
We demonstrate an L-band passively mode-locked erbium-doped fiber laser emitting at 1599.43 nm wavelength at a pulse train of 5.68 MHz. The microfiber reduced graphene oxide composite behaves as a saturable absorber that was fabricated using in-situ wet chemical and dip-coating methods. During opera...
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| Main Authors: | , , , , , , |
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| 格式: | Article |
| 出版: |
Optica
2021
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| 在線閱讀: | http://psasir.upm.edu.my/id/eprint/94013/ https://opg.optica.org/ome/fulltext.cfm?uri=ome-11-1-59&id=444353 |
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| 機構: | Universiti Putra Malaysia |
| 總結: | We demonstrate an L-band passively mode-locked erbium-doped fiber laser emitting at 1599.43 nm wavelength at a pulse train of 5.68 MHz. The microfiber reduced graphene oxide composite behaves as a saturable absorber that was fabricated using in-situ wet chemical and dip-coating methods. During operation, a single-pulse soliton was observed at a mode-locking threshold of 40 mW. This is a few times lower than most of the previous assessments in the same class of wavelength band and graphene saturable absorbers. The pulse duration was 568 fs with a maximum average output power of 6.75 mW. In addition, the superiority of this simple fabrication method facilitates its potential of mass production for applications in ultrafast photonics industries. |
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