L-band femtosecond fiber laser based on a reduced graphene oxide polymer composite saturable absorber

E. K. NG, K. Y. LAU, H. K. LEE, Norita Mohd Yusoff, A. R. SARMANI, M. F. OMAR, M. A. MAHDI*

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

25 Downloads (Pure)

Abstract

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.

Original languageEnglish
Pages (from-to)59-72
Number of pages14
JournalOPTICAL MATERIALS EXPRESS
Volume11
Issue number1
DOIs
Publication statusPublished - 1 Jan 2021
MoE publication typeA1 Journal article-refereed

Fingerprint Dive into the research topics of 'L-band femtosecond fiber laser based on a reduced graphene oxide polymer composite saturable absorber'. Together they form a unique fingerprint.

Cite this