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Article: High energy noise-like pulse generation from a mode-locked thulium-doped fiber laser at 1.7 μm

TitleHigh energy noise-like pulse generation from a mode-locked thulium-doped fiber laser at 1.7 μm
Authors
KeywordsLaser mode locking
Erbium-doped fiber lasers
Optical fiber polarization
Laser noise
Laser excitation
Issue Date2019
PublisherInstitute of Electrical and Electronics Engineers (IEEE): OAJ. The Journal's web site is located at http://www.photonicsjournal.org
Citation
IEEE Photonics Journal, 2019, v. 11 n. 6, p. article no. 1505106 How to Cite?
AbstractThulium-doped fiber laser (TDFL) is a versatile platform that can be engineered to produce laser sources with desired performance that target a vast number of applications, however its operation in the 1.7-μm region is still underdeveloped owing to the quasi-three-level nature of TDF emission. In this paper, we report a high energy noise-like pulse generation from a nonlinear polarization rotation (NPR) mode-locked TDFL. By using highly efficient core-pumping at 1650 nm and intra-cavity filtering component, stable mode-locking operation at 1750 nm is realized at a pump threshold of 1.5 W. With increasing the pump power to 5 W, the pulse width is stretched from 0.8 ns to 3.7 ns, while the monitored output power is linearly increased from 50 mW to 251 mW, corresponding to a maximum pulse energy of 321 nJ at the pulse repetition rate of 782 kHz. The long-term and shot-to-shot stability of the output are characterized to be 0.11 dB and 2.8% respectively. Noise-like pulse operation of the laser is confirmed by measuring the autocorrelation trace, which demonstrates a coherent peak on top of a wide pedestal. To the best of our knowledge, this is the first demonstration of high energy noise-like pulse generation from a TDFL at 1.7-μm band, enabling potential applications in for example spectroscopic analysis and material processing.
Persistent Identifierhttp://hdl.handle.net/10722/277229
ISSN
2017 Impact Factor: 2.627
2015 SCImago Journal Rankings: 1.233
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLI, C-
dc.contributor.authorKONG, C-
dc.contributor.authorWong, KKY-
dc.date.accessioned2019-09-20T08:47:04Z-
dc.date.available2019-09-20T08:47:04Z-
dc.date.issued2019-
dc.identifier.citationIEEE Photonics Journal, 2019, v. 11 n. 6, p. article no. 1505106-
dc.identifier.issn1943-0655-
dc.identifier.urihttp://hdl.handle.net/10722/277229-
dc.description.abstractThulium-doped fiber laser (TDFL) is a versatile platform that can be engineered to produce laser sources with desired performance that target a vast number of applications, however its operation in the 1.7-μm region is still underdeveloped owing to the quasi-three-level nature of TDF emission. In this paper, we report a high energy noise-like pulse generation from a nonlinear polarization rotation (NPR) mode-locked TDFL. By using highly efficient core-pumping at 1650 nm and intra-cavity filtering component, stable mode-locking operation at 1750 nm is realized at a pump threshold of 1.5 W. With increasing the pump power to 5 W, the pulse width is stretched from 0.8 ns to 3.7 ns, while the monitored output power is linearly increased from 50 mW to 251 mW, corresponding to a maximum pulse energy of 321 nJ at the pulse repetition rate of 782 kHz. The long-term and shot-to-shot stability of the output are characterized to be 0.11 dB and 2.8% respectively. Noise-like pulse operation of the laser is confirmed by measuring the autocorrelation trace, which demonstrates a coherent peak on top of a wide pedestal. To the best of our knowledge, this is the first demonstration of high energy noise-like pulse generation from a TDFL at 1.7-μm band, enabling potential applications in for example spectroscopic analysis and material processing.-
dc.languageeng-
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE): OAJ. The Journal's web site is located at http://www.photonicsjournal.org-
dc.relation.ispartofIEEE Photonics Journal-
dc.rightsIEEE Photonics Journal. Copyright © Institute of Electrical and Electronics Engineers (IEEE): OAJ.-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectLaser mode locking-
dc.subjectErbium-doped fiber lasers-
dc.subjectOptical fiber polarization-
dc.subjectLaser noise-
dc.subjectLaser excitation-
dc.titleHigh energy noise-like pulse generation from a mode-locked thulium-doped fiber laser at 1.7 μm-
dc.typeArticle-
dc.identifier.emailWong, KKY: kywong@eee.hku.hk-
dc.identifier.authorityWong, KKY=rp00189-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1109/JPHOT.2019.2941324-
dc.identifier.hkuros305772-
dc.identifier.volume11-
dc.identifier.issue6-
dc.identifier.spagearticle no. 1505106-
dc.identifier.epagearticle no. 1505106-
dc.identifier.isiWOS:000494471800001-
dc.publisher.placeUnited States-

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