Abstract

Abstract: Q-switched pulse laser generation is successfully demonstrated in both Erbium-doped fibre laser (EDFL) and Thulium-doped fibre laser (TDFL) cavities by employing Nickel disulfide (NiS2) as a saturable absorber (SA). Q-switched pulse laser operation at 1.55 μm and 2.0 μm is obtained at low pump power levels of 37 mW and 48 mW, respectively. For the EDFL, stable passively Q-switched laser output at a wavelength of 1561.86 nm is achieved, with a minimum pulse duration of 237 ns and a repetition rate of 243.9 kHz. For the TDFL, the centre wavelength of the laser output is 1915.5 nm, with a minimum pulse duration of 505 ns and a repetition rate of 214.68 kHz. NiS2 is used as SA for Q-switched laser generation over a broadband wavelength for the first time.

© 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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2019 (2)

H. Luo, Z. Kang, Y. Gao, H. Peng, J. Li, G. Qin, and Y. Liu, “Large aspect ratio gold nanorods (LAR-GNRs) for mid-infrared pulse generation with a tunable wavelength near 3 μm,” Opt. Express 27(4), 4886–4896 (2019).
[Crossref] [PubMed]

S. Li, Y. Yin, E. Lewis, G. Garrell, and P. Wang, “A twelve-wavelength Thulium-doped fibre laser based on a microfibre coil resonator incorporating black phosphorus,” Opt. Commun. 437, 342–345 (2019).

2018 (7)

L. Yang, Z. Kang, B. Huang, J. Li, L. Miao, P. Tang, C. Zhao, G. Qin, and S. Wen, “Gold nanostars as a Q-switcher for the mid-infrared erbium-doped fluoride fiber laser,” Opt. Lett. 43(21), 5459–5462 (2018).
[Crossref] [PubMed]

K. Niu, R. Sun, Q. Chen, B. Man, and H. Zhang, “Passively mode-locked Er-doped fiber laser based on SnS 2 nanosheets as a saturable absorber,” Photon. Res. 6(2), 72–76 (2018).
[Crossref]

H. Luo, X. Tian, Y. Gao, R. Wei, J. Li, J. Qiu, and Y. Liu, “Antimonene: a long-term stable two-dimensional saturable absorption material under ambient conditions for the mid-infrared spectral region,” Photon. Res. 6(9), 900–907 (2018).
[Crossref]

B. Guo, S.-H. Wang, Z.-X. Wu, Z.-X. Wang, D.-H. Wang, H. Huang, F. Zhang, Y.-Q. Ge, and H. Zhang, “Sub-200 fs soliton mode-locked fiber laser based on bismuthene saturable absorber,” Opt. Express 26(18), 22750–22760 (2018).
[Crossref] [PubMed]

S. Li, Y. Yi, Y. Yin, Y. Jiang, H. Zhao, Y. Du, Y. Chen, E. Lewis, G. Farrell, S. W. Harun, and P. Wang, “A microfiber knot incorporating a tungsten disulfide saturable absorber based multi-wavelength mode-locked erbium-doped fiber laser,” J. Lightwave Technol. 36(23), 5633–5639 (2018).
[Crossref]

N. Ming, S. Tao, W. Yang, Q. Chen, R. Sun, C. Wang, S. Wang, B. Man, and H. Zhang, “Mode-locked Er-doped fiber laser based on PbS/CdS core/shell quantum dots as saturable absorber,” Opt. Express 26(7), 9017–9026 (2018).
[Crossref] [PubMed]

Z. Kang, M. Liu, Z. Li, S. Li, Z. Jia, C. Liu, W. Qin, and G. Qin, “Passively Q-switched erbium doped fiber laser using a gold nanostars based saturable absorber,” Photon. Res. 6(6), 549–553 (2018).
[Crossref]

2017 (3)

2016 (2)

J. Lee, J. Park, J. Koo, Y. M. Jhon, and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” J. Opt. 18(3), 035502 (2016).
[Crossref]

H. Zhang and J. Liu, “Gold nanobipyramids as saturable absorbers for passively Q-switched laser generation in the 1.1 μm region,” Opt. Lett. 41(6), 1150–1152 (2016).
[Crossref] [PubMed]

2015 (3)

2013 (3)

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

M. Xu, T. Liang, M. Shi, and H. Chen, “Graphene-like two-dimensional materials,” Chem. Rev. 113(5), 3766–3798 (2013).
[Crossref] [PubMed]

C. Xu and F. W. Wise, “Recent advances in fibre lasers for nonlinear microscopy,” Nat. Photonics 7(11), 875–882 (2013).
[Crossref] [PubMed]

2012 (2)

P. Grelu and N. Akhmediev, “Dissipative solitons for mode-locked lasers,” Nat. Photonics 6(2), 84–92 (2012).
[Crossref]

C. Zhao, H. Zhang, X. Qi, Y. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett. 101(21), 211106 (2012).
[Crossref]

2011 (3)

J. Osuwa and P. Uwaezi, “Effect of annealing on optical and solid state properties of NiS 2 thin films,” Chalcog. Lett. 8(9), 587–594 (2011).

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

J. Liu, S. Wu, Q.-H. Yang, and P. Wang, “Stable nanosecond pulse generation from a graphene-based passively Q-switched Yb-doped fiber laser,” Opt. Lett. 36(20), 4008–4010 (2011).
[Crossref] [PubMed]

2010 (2)

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

2005 (1)

2004 (1)

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

2000 (2)

Y. Xu and M. A. Schoonen, “The absolute energy positions of conduction and valence bands of selected semiconducting minerals,” Am. Mineral. 85(3–4), 543–556 (2000).
[Crossref]

C. De las Heras and F. Agulló-Rueda, “Raman spectroscopy of NiSe2 and NiS2-xSex (0< x< 2) thin films,” J. Phys. Condens. Matter 12(24), 5317–5324 (2000).
[Crossref]

1998 (1)

J. Honig and J. Spałek, “Electronic Properties of NiS2-x Se x Single Crystals: From Magnetic Mott− Hubbard Insulators to Normal Metals,” Chem. Mater. 10(10), 2910–2929 (1998).
[Crossref]

1997 (1)

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

1990 (1)

A. R. Chraplyvy, “Limitations on lightwave communications imposed by optical-fiber nonlinearities,” J. Lightwave Technol. 8(10), 1548–1557 (1990).
[Crossref]

1977 (1)

T. Suzuki, K. Uchinokura, T. Sekine, and E. Matsuura, “Raman scattering of NiS2,” Solid State Commun. 23(11), 847–852 (1977).
[Crossref]

1976 (1)

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Agulló-Rueda, F.

C. De las Heras and F. Agulló-Rueda, “Raman spectroscopy of NiSe2 and NiS2-xSex (0< x< 2) thin films,” J. Phys. Condens. Matter 12(24), 5317–5324 (2000).
[Crossref]

Akhmediev, N.

P. Grelu and N. Akhmediev, “Dissipative solitons for mode-locked lasers,” Nat. Photonics 6(2), 84–92 (2012).
[Crossref]

Basko, D. M.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Berner, N. C.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Boey, F.

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

Bonaccorso, F.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Buckley, J. R.

Chen, B.

Chen, H.

Chen, J.

Chen, Q.

Chen, S.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Chen, Y.

Chen, Z.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Chraplyvy, A. R.

A. R. Chraplyvy, “Limitations on lightwave communications imposed by optical-fiber nonlinearities,” J. Lightwave Technol. 8(10), 1548–1557 (1990).
[Crossref]

Cui, Y.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Czjzek, G.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Datta, R.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

De las Heras, C.

C. De las Heras and F. Agulló-Rueda, “Raman spectroscopy of NiSe2 and NiS2-xSex (0< x< 2) thin films,” J. Phys. Condens. Matter 12(24), 5317–5324 (2000).
[Crossref]

Diesner, K.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Dong, N.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Du, Y.

Dubonos, S. V.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

Duesberg, G. S.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Ennaoui, A.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Farrell, G.

Ferrari, A. C.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Fiechter, S.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Fink, J.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Firsov, A. A.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

Gao, Y.

Garrell, G.

S. Li, Y. Yin, E. Lewis, G. Garrell, and P. Wang, “A twelve-wavelength Thulium-doped fibre laser based on a microfibre coil resonator incorporating black phosphorus,” Opt. Commun. 437, 342–345 (2019).

Gautier, F.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Ge, Y.-Q.

Geim, A. K.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

Gomathi, A.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

Grelu, P.

P. Grelu and N. Akhmediev, “Dissipative solitons for mode-locked lasers,” Nat. Photonics 6(2), 84–92 (2012).
[Crossref]

Grigorieva, I. V.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

Guo, B.

Habib, M.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Han, D.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Harun, S. W.

Hasan, T.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

He, Q.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

He, T.

Honig, J.

J. Honig and J. Spałek, “Electronic Properties of NiS2-x Se x Single Crystals: From Magnetic Mott− Hubbard Insulators to Normal Metals,” Chem. Mater. 10(10), 2910–2929 (1998).
[Crossref]

Huang, B.

Huang, H.

Huang, X.

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

Ilday, F. O.

Jaegermann, W.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Jhon, Y. M.

J. Lee, J. Park, J. Koo, Y. M. Jhon, and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” J. Opt. 18(3), 035502 (2016).
[Crossref]

Jia, Z.

Jiang, D.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

Jiang, H.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Jiang, Y.

Jiang, Z.

Kang, Z.

Kiesewetter, T.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Koo, J.

J. Lee, J. Park, J. Koo, Y. M. Jhon, and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” J. Opt. 18(3), 035502 (2016).
[Crossref]

Krill, G.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Lapierre, M.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Late, D. J.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

Lee, J.

J. Lee, J. Park, J. Koo, Y. M. Jhon, and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” J. Opt. 18(3), 035502 (2016).
[Crossref]

Lee, J. H.

J. Lee, J. Park, J. Koo, Y. M. Jhon, and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” J. Opt. 18(3), 035502 (2016).
[Crossref]

Lewis, E.

S. Li, Y. Yin, E. Lewis, G. Garrell, and P. Wang, “A twelve-wavelength Thulium-doped fibre laser based on a microfibre coil resonator incorporating black phosphorus,” Opt. Commun. 437, 342–345 (2019).

S. Li, Y. Yi, Y. Yin, Y. Jiang, H. Zhao, Y. Du, Y. Chen, E. Lewis, G. Farrell, S. W. Harun, and P. Wang, “A microfiber knot incorporating a tungsten disulfide saturable absorber based multi-wavelength mode-locked erbium-doped fiber laser,” J. Lightwave Technol. 36(23), 5633–5639 (2018).
[Crossref]

Li, H.

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

Li, J.

Li, S.

Li, Y.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Li, Z.

Liang, T.

M. Xu, T. Liang, M. Shi, and H. Chen, “Graphene-like two-dimensional materials,” Chem. Rev. 113(5), 3766–3798 (2013).
[Crossref] [PubMed]

Lin, Y.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Liu, C.

Liu, H.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Liu, J.

Liu, M.

Liu, X.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Liu, Y.

Lu, G.

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

Lu, H.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Luo, H.

Man, B.

Manna, A. K.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

Mao, D.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Matsuura, E.

T. Suzuki, K. Uchinokura, T. Sekine, and E. Matsuura, “Raman scattering of NiS2,” Solid State Commun. 23(11), 847–852 (1977).
[Crossref]

Matte, H. S.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

Matthäus, A.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

McEvoy, N.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Miao, L.

Ming, N.

Morozov, S. V.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

Niu, K.

Novoselov, K. S.

K. S. Novoselov, A. K. Geim, S. V. Morozov, D. Jiang, Y. Zhang, S. V. Dubonos, I. V. Grigorieva, and A. A. Firsov, “Electric field effect in atomically thin carbon films,” Science 306(5696), 666–669 (2004).
[PubMed]

O’Brien, M.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Osuwa, J.

J. Osuwa and P. Uwaezi, “Effect of annealing on optical and solid state properties of NiS 2 thin films,” Chalcog. Lett. 8(9), 587–594 (2011).

Park, J.

J. Lee, J. Park, J. Koo, Y. M. Jhon, and J. H. Lee, “Harmonically mode-locked femtosecond fiber laser using non-uniform, WS2-particle deposited side-polished fiber,” J. Opt. 18(3), 035502 (2016).
[Crossref]

Pati, S. K.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

Peng, H.

Popa, D.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Privitera, G.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Qi, X.

C. Zhao, H. Zhang, X. Qi, Y. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett. 101(21), 211106 (2012).
[Crossref]

Qian, L.

Qin, G.

Qin, W.

Qin, Z.

Qiu, J.

Rao, C. N.

H. S. Matte, A. Gomathi, A. K. Manna, D. J. Late, R. Datta, S. K. Pati, and C. N. Rao, “MoS2 and WS2 analogues of graphene,” Angew. Chem. Int. Ed. Engl. 49(24), 4059–4062 (2010).
[Crossref] [PubMed]

Robert, C.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Ruan, S.

Schmidt, H.

G. Krill, M. Lapierre, C. Robert, F. Gautier, G. Czjzek, J. Fink, and H. Schmidt, “Electronic and magnetic properties of the pyrite-structure compound NiS2: influence of vacancies and copper impurities,” J. Phys. C Solid State Phys. 9(5), 761–782 (1976).
[Crossref]

Schoonen, M. A.

Y. Xu and M. A. Schoonen, “The absolute energy positions of conduction and valence bands of selected semiconducting minerals,” Am. Mineral. 85(3–4), 543–556 (2000).
[Crossref]

Sekine, T.

T. Suzuki, K. Uchinokura, T. Sekine, and E. Matsuura, “Raman scattering of NiS2,” Solid State Commun. 23(11), 847–852 (1977).
[Crossref]

Shi, M.

M. Xu, T. Liang, M. Shi, and H. Chen, “Graphene-like two-dimensional materials,” Chem. Rev. 113(5), 3766–3798 (2013).
[Crossref] [PubMed]

Sieber, I.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Song, L.

H. Liu, Q. He, H. Jiang, Y. Lin, Y. Zhang, M. Habib, S. Chen, and L. Song, “Electronic structure reconfiguration toward pyrite NiS2 via engineered heteroatom defect boosting overall water splitting,” ACS Nano 11(11), 11574–11583 (2017).
[Crossref] [PubMed]

Sosnowski, T.

Spalek, J.

J. Honig and J. Spałek, “Electronic Properties of NiS2-x Se x Single Crystals: From Magnetic Mott− Hubbard Insulators to Normal Metals,” Chem. Mater. 10(10), 2910–2929 (1998).
[Crossref]

Sun, R.

Sun, Z.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Suzuki, T.

T. Suzuki, K. Uchinokura, T. Sekine, and E. Matsuura, “Raman scattering of NiS2,” Solid State Commun. 23(11), 847–852 (1977).
[Crossref]

Tang, D.

C. Zhao, H. Zhang, X. Qi, Y. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett. 101(21), 211106 (2012).
[Crossref]

Tang, P.

Tao, S.

Tenne, R.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Tian, X.

Tiefenbacher, S.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Torrisi, F.

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Tsirlina, T.

A. Matthäus, A. Ennaoui, S. Fiechter, S. Tiefenbacher, T. Kiesewetter, K. Diesner, I. Sieber, W. Jaegermann, T. Tsirlina, and R. Tenne, “Highly Textured Films of Layered Metal Disulfide 2H‐WS 2 Preparation and Optoelectronic Properties,” J. Electrochem. Soc. 144(3), 1013–1019 (1997).
[Crossref]

Uchinokura, K.

T. Suzuki, K. Uchinokura, T. Sekine, and E. Matsuura, “Raman scattering of NiS2,” Solid State Commun. 23(11), 847–852 (1977).
[Crossref]

Uwaezi, P.

J. Osuwa and P. Uwaezi, “Effect of annealing on optical and solid state properties of NiS 2 thin films,” Chalcog. Lett. 8(9), 587–594 (2011).

Wang, C.

Wang, D.-H.

Wang, F.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Z. Sun, T. Hasan, F. Torrisi, D. Popa, G. Privitera, F. Wang, F. Bonaccorso, D. M. Basko, and A. C. Ferrari, “Graphene mode-locked ultrafast laser,” ACS Nano 4(2), 803–810 (2010).
[Crossref] [PubMed]

Wang, H.

Wang, J.

Wang, P.

Wang, S.

Wang, S.-H.

Wang, Z.

C. Zhao, H. Zhang, X. Qi, Y. Chen, Z. Wang, S. Wen, and D. Tang, “Ultra-short pulse generation by a topological insulator based saturable absorber,” Appl. Phys. Lett. 101(21), 211106 (2012).
[Crossref]

Wang, Z.-X.

Wei, R.

Wen, S.

Winters, S.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Wise, F. W.

Wu, K.

Wu, S.

Wu, Z.-X.

Xie, G.

Xu, C.

C. Xu and F. W. Wise, “Recent advances in fibre lasers for nonlinear microscopy,” Nat. Photonics 7(11), 875–882 (2013).
[Crossref] [PubMed]

Xu, M.

M. Xu, T. Liang, M. Shi, and H. Chen, “Graphene-like two-dimensional materials,” Chem. Rev. 113(5), 3766–3798 (2013).
[Crossref] [PubMed]

Xu, Y.

Y. Xu and M. A. Schoonen, “The absolute energy positions of conduction and valence bands of selected semiconducting minerals,” Am. Mineral. 85(3–4), 543–556 (2000).
[Crossref]

Yan, P.

Yang, L.

Yang, Q.-H.

Yang, W.

Yi, Y.

Yim, C.

S. Zhang, N. Dong, N. McEvoy, M. O’Brien, S. Winters, N. C. Berner, C. Yim, Y. Li, X. Zhang, Z. Chen, L. Zhang, G. S. Duesberg, and J. Wang, “Direct observation of degenerate two-photon absorption and its saturation in WS2 and MoS2 monolayer and few-layer films,” ACS Nano 9(7), 7142–7150 (2015).
[Crossref] [PubMed]

Yin, J.

Yin, Y.

S. Li, Y. Yin, E. Lewis, G. Garrell, and P. Wang, “A twelve-wavelength Thulium-doped fibre laser based on a microfibre coil resonator incorporating black phosphorus,” Opt. Commun. 437, 342–345 (2019).

S. Li, Y. Yi, Y. Yin, Y. Jiang, H. Zhao, Y. Du, Y. Chen, E. Lewis, G. Farrell, S. W. Harun, and P. Wang, “A microfiber knot incorporating a tungsten disulfide saturable absorber based multi-wavelength mode-locked erbium-doped fiber laser,” J. Lightwave Technol. 36(23), 5633–5639 (2018).
[Crossref]

Yin, Z.

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

Yuan, P.

Zeng, C.

X. Liu, D. Han, Z. Sun, C. Zeng, H. Lu, D. Mao, Y. Cui, and F. Wang, “Versatile multi-wavelength ultrafast fiber laser mode-locked by carbon nanotubes,” Sci. Rep. 3, 2718 (2013).
[PubMed]

Zeng, Z.

Z. Zeng, Z. Yin, X. Huang, H. Li, Q. He, G. Lu, F. Boey, and H. Zhang, “Single-layer semiconducting nanosheets: high-yield preparation and device fabrication,” Angew. Chem. Int. Ed. Engl. 50(47), 11093–11097 (2011).
[Crossref] [PubMed]

Zhang, F.

Zhang, H.

B. Guo, S.-H. Wang, Z.-X. Wu, Z.-X. Wang, D.-H. Wang, H. Huang, F. Zhang, Y.-Q. Ge, and H. Zhang, “Sub-200 fs soliton mode-locked fiber laser based on bismuthene saturable absorber,” Opt. Express 26(18), 22750–22760 (2018).
[Crossref] [PubMed]

K. Niu, R. Sun, Q. Chen, B. Man, and H. Zhang, “Passively mode-locked Er-doped fiber laser based on SnS 2 nanosheets as a saturable absorber,” Photon. Res. 6(2), 72–76 (2018).
[Crossref]

N. Ming, S. Tao, W. Yang, Q. Chen, R. Sun, C. Wang, S. Wang, B. Man, and H. Zhang, “Mode-locked Er-doped fiber laser based on PbS/CdS core/shell quantum dots as saturable absorber,” Opt. Express 26(7), 9017–9026 (2018).
[Crossref] [PubMed]

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Figures (5)

Fig. 1
Fig. 1 (a) Image of NiS2-PVA thin film and NiS2 SA device with NiS2-PVA thin film transferred on the fibre connector. (b) Raman spectrum of NiS2 sample.
Fig. 2
Fig. 2 (a) The typical Z-scan peak curve of NiS2 at 800 nm. (b) The nonlinear absorption of NiS2-PVA film at 1.55 μm. (c) The nonlinear absorption of NiS2-PVA film at 1.9 μm. (d) Schematic of the NiS2-PVA based fibre laser.
Fig. 3
Fig. 3 Characteristics of the single Q-switched pulse in the EDFL. (a) Optical spectrum with 200 mW pumping power, (b) Typical oscilloscope pulse waveform with 200 mW pumping power, (c) Single pulse characteristics of Q-switched pulsed laser for a pump power of 200 mW, (d) Repetition rate and pulse width versus pumping power.
Fig. 4
Fig. 4 Characteristics of the single Q-switched pulse in the TDFL. (a) Optical spectrum with 220 mW pumping power, (b) Typical oscilloscope pulse waveform with 220 mW pumping power, (c) Single pulse characteristics of Q-switched pulsed laser for a pump power of 220 mW, (d) Repetition rate and pulse width versus pumping power.
Fig. 5
Fig. 5 (a) Relationship between the average output powers and pump. (b) Measured long-term stability of the proposed fibre laser.

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