Switchable dual-band generation of femtosecond pulses in a mode-locked Erbium-doped fiber laser based on monolayer graphene

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dc.contributor.authorS. S.C.
dc.contributor.authorA. E.M.
dc.contributor.authorSteinberg D.
dc.contributor.authorPerez A.B.
dc.contributor.authorBotia J.F.
dc.contributor.authorCardenas A.M.
dc.contributor.authorSaito L.A.M.
dc.contributor.authorde Souza E.T.
dc.contributor.authorZapata J.D.
dc.date.accessioned2024-08-01T06:17:50Z
dc.date.available2024-08-01T06:17:50Z
dc.date.issued2024
dc.description.abstractAuthorsThis work presents a stable and switchable dual-band generation from a polarization-dependent Erbium-doped fiber laser mode-locked by monolayer graphene as a saturable absorber. The ultrashort generated pulses at single band exhibit spectral (temporal) widths of 8.8 nm (305 fs) and 9 nm (384 fs) at 1536 nm and 1557 nm, respectively, while the simultaneous dual-band state ensured a spectral width of 5 and 6 nm for both wavelengths, which are the best dual-band mode-locked performances of the literature obtained from an EDFL. Also, its dual-band spectral evolution was analyzed by changing the pumping power and the intracavity polarization state via a motorized polarization controller. Finally, our simulation provided an excellent qualitative explanation of the laser switching as a function of pumping power due to the change in EDF gain. We found a relative percentage error between experimental results and simulation of <inline-formula><tex-math notation="LaTeX">$22.7\%$</tex-math></inline-formula>, <inline-formula><tex-math notation="LaTeX">$13.3\%$</tex-math></inline-formula>, <inline-formula><tex-math notation="LaTeX">$9\%$</tex-math></inline-formula>, and <inline-formula><tex-math notation="LaTeX">$8.3\%$</tex-math></inline-formula> for 1530 nm, 1556 nm, and dual-band left and right central wavelength, respectively.
dc.identifier.doi10.1109/JLT.2024.3427135
dc.identifier.issnNone
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/39050
dc.relation.ispartofJournal of Lightwave Technology
dc.rightsAcesso Aberto
dc.subject.otherlanguageDual-band generation
dc.subject.otherlanguageFiber laser
dc.subject.otherlanguageMonolayer graphene
dc.subject.otherlanguagePassively Mode-locked
dc.titleSwitchable dual-band generation of femtosecond pulses in a mode-locked Erbium-doped fiber laser based on monolayer graphene
dc.typeArtigo
local.scopus.citations0
local.scopus.eid2-s2.0-85198323176
local.scopus.subjectA-stable
local.scopus.subjectDual Band
local.scopus.subjectDual-band generation
local.scopus.subjectErbium-doped fiber lasers
local.scopus.subjectLaser-based
local.scopus.subjectMode-locked
local.scopus.subjectMonolayer graphene
local.scopus.subjectPassively mode-locked
local.scopus.subjectPumping power
local.scopus.subjectSwitchable
local.scopus.updated2024-12-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85198323176&origin=inward
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