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Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers
We fabricate ultrasmall phosphorene quantum dots (PQDs) with an average size of 2.6 ± 0.9 nm using a liquid exfoliation method involving ultrasound probe sonication followed by bath sonication. By coupling the as-prepared PQDs with microfiber evanescent light field, the PQD-based saturable absorber...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5314455/ https://www.ncbi.nlm.nih.gov/pubmed/28211471 http://dx.doi.org/10.1038/srep42357 |
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author | Du, J. Zhang, M. Guo, Z. Chen, J. Zhu, X. Hu, G. Peng, P. Zheng, Z. Zhang, H. |
author_facet | Du, J. Zhang, M. Guo, Z. Chen, J. Zhu, X. Hu, G. Peng, P. Zheng, Z. Zhang, H. |
author_sort | Du, J. |
collection | PubMed |
description | We fabricate ultrasmall phosphorene quantum dots (PQDs) with an average size of 2.6 ± 0.9 nm using a liquid exfoliation method involving ultrasound probe sonication followed by bath sonication. By coupling the as-prepared PQDs with microfiber evanescent light field, the PQD-based saturable absorber (SA) device exhibits ultrafast nonlinear saturable absorption property, with an optical modulation depth of 8.1% at the telecommunication band. With the integration of the all-fiber PQD-based SA, a continuous-wave passively mode-locked erbium-doped (Er-doped) laser cavity delivers stable, self-starting pulses with a pulse duration of 0.88 ps and at the cavity repetition rate of 5.47 MHz. Our results contribute to the growing body of work studying the nonlinear optical properties of ultrasmall PQDs that present new opportunities of this two-dimensional (2D) nanomaterial for future ultrafast photonic technologies. |
format | Online Article Text |
id | pubmed-5314455 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Nature Publishing Group |
record_format | MEDLINE/PubMed |
spelling | pubmed-53144552017-02-24 Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers Du, J. Zhang, M. Guo, Z. Chen, J. Zhu, X. Hu, G. Peng, P. Zheng, Z. Zhang, H. Sci Rep Article We fabricate ultrasmall phosphorene quantum dots (PQDs) with an average size of 2.6 ± 0.9 nm using a liquid exfoliation method involving ultrasound probe sonication followed by bath sonication. By coupling the as-prepared PQDs with microfiber evanescent light field, the PQD-based saturable absorber (SA) device exhibits ultrafast nonlinear saturable absorption property, with an optical modulation depth of 8.1% at the telecommunication band. With the integration of the all-fiber PQD-based SA, a continuous-wave passively mode-locked erbium-doped (Er-doped) laser cavity delivers stable, self-starting pulses with a pulse duration of 0.88 ps and at the cavity repetition rate of 5.47 MHz. Our results contribute to the growing body of work studying the nonlinear optical properties of ultrasmall PQDs that present new opportunities of this two-dimensional (2D) nanomaterial for future ultrafast photonic technologies. Nature Publishing Group 2017-02-17 /pmc/articles/PMC5314455/ /pubmed/28211471 http://dx.doi.org/10.1038/srep42357 Text en Copyright © 2017, The Author(s) http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/ |
spellingShingle | Article Du, J. Zhang, M. Guo, Z. Chen, J. Zhu, X. Hu, G. Peng, P. Zheng, Z. Zhang, H. Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
title | Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
title_full | Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
title_fullStr | Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
title_full_unstemmed | Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
title_short | Phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
title_sort | phosphorene quantum dot saturable absorbers for ultrafast fiber lasers |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5314455/ https://www.ncbi.nlm.nih.gov/pubmed/28211471 http://dx.doi.org/10.1038/srep42357 |
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