Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber

We demonstrate a passively mode-locked fiber laser using aqueous DNA solution as a saturable absorber (SA), with broadband pulse laser emission from 1 to 1.5 µm. The mode-locked laser with erbium-doped fiber as the gain material has a center wavelength of 1563 nm, a 3 dB bandwidth of 3.9 nm, and a p...

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Autores principales:	Mijin Kim, Jeong Je Kim, Sang Bae Lee, Dal-Young Kim, Kwanil Lee, Wonsuk Lee
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	DNA ultrafast laser mode-locking saturable absorber liquid phase Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/fb69f76f6574468995c47d26e8b4af79
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spelling	oai:doaj.org-article:fb69f76f6574468995c47d26e8b4af792021-11-11T14:59:35ZBroadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber10.3390/app112198712076-3417https://doaj.org/article/fb69f76f6574468995c47d26e8b4af792021-10-01T00:00:00Zhttps://www.mdpi.com/2076-3417/11/21/9871https://doaj.org/toc/2076-3417We demonstrate a passively mode-locked fiber laser using aqueous DNA solution as a saturable absorber (SA), with broadband pulse laser emission from 1 to 1.5 µm. The mode-locked laser with erbium-doped fiber as the gain material has a center wavelength of 1563 nm, a 3 dB bandwidth of 3.9 nm, and a pulse width of 822 fs, whereas the laser with ytterbium-doped fiber as the gain material and an identical DNA aqueous SA has a center wavelength of 1037 nm, a 3 dB bandwidth of 5.04 nm, and a pulse width of 250 ps. The proposed laser, which is simple and cost effective to fabricate, exhibits excellent long-term stability as well as thermal stability during high-power operation. This mode-locked laser scheme with a liquid-phase DNA component has the potential to provide in-depth understanding of the optical nonlinearity and usefulness of DNA.Mijin KimJeong Je KimSang Bae LeeDal-Young KimKwanil LeeWonsuk LeeMDPI AGarticleDNAultrafast lasermode-lockingsaturable absorberliquid phaseTechnologyTEngineering (General). Civil engineering (General)TA1-2040Biology (General)QH301-705.5PhysicsQC1-999ChemistryQD1-999ENApplied Sciences, Vol 11, Iss 9871, p 9871 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	DNA ultrafast laser mode-locking saturable absorber liquid phase Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999
spellingShingle	DNA ultrafast laser mode-locking saturable absorber liquid phase Technology T Engineering (General). Civil engineering (General) TA1-2040 Biology (General) QH301-705.5 Physics QC1-999 Chemistry QD1-999 Mijin Kim Jeong Je Kim Sang Bae Lee Dal-Young Kim Kwanil Lee Wonsuk Lee Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber
description	We demonstrate a passively mode-locked fiber laser using aqueous DNA solution as a saturable absorber (SA), with broadband pulse laser emission from 1 to 1.5 µm. The mode-locked laser with erbium-doped fiber as the gain material has a center wavelength of 1563 nm, a 3 dB bandwidth of 3.9 nm, and a pulse width of 822 fs, whereas the laser with ytterbium-doped fiber as the gain material and an identical DNA aqueous SA has a center wavelength of 1037 nm, a 3 dB bandwidth of 5.04 nm, and a pulse width of 250 ps. The proposed laser, which is simple and cost effective to fabricate, exhibits excellent long-term stability as well as thermal stability during high-power operation. This mode-locked laser scheme with a liquid-phase DNA component has the potential to provide in-depth understanding of the optical nonlinearity and usefulness of DNA.
format	article
author	Mijin Kim Jeong Je Kim Sang Bae Lee Dal-Young Kim Kwanil Lee Wonsuk Lee
author_facet	Mijin Kim Jeong Je Kim Sang Bae Lee Dal-Young Kim Kwanil Lee Wonsuk Lee
author_sort	Mijin Kim
title	Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber
title_short	Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber
title_full	Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber
title_fullStr	Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber
title_full_unstemmed	Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber
title_sort	broadband passively mode-locked fiber laser with dna aqueous solution as saturable absorber
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/fb69f76f6574468995c47d26e8b4af79
work_keys_str_mv	AT mijinkim broadbandpassivelymodelockedfiberlaserwithdnaaqueoussolutionassaturableabsorber AT jeongjekim broadbandpassivelymodelockedfiberlaserwithdnaaqueoussolutionassaturableabsorber AT sangbaelee broadbandpassivelymodelockedfiberlaserwithdnaaqueoussolutionassaturableabsorber AT dalyoungkim broadbandpassivelymodelockedfiberlaserwithdnaaqueoussolutionassaturableabsorber AT kwanillee broadbandpassivelymodelockedfiberlaserwithdnaaqueoussolutionassaturableabsorber AT wonsuklee broadbandpassivelymodelockedfiberlaserwithdnaaqueoussolutionassaturableabsorber
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Broadband Passively Mode-Locked Fiber Laser with DNA Aqueous Solution as Saturable Absorber

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