Hafnium Sulfide Nanosheets for Ultrafast Photonic Device

Jinde Yin; Fangxiang Zhu; Jintao Lai; Hao Chen; Mengyu Zhang; Jiaqiang Zhang; Jintao Wang; Tingchao He; Bo Zhang; Jianping Yuan; Peiguang Yan; Shuangchen Ruan

doi:10.1002/adom.201801303

Hafnium Sulfide Nanosheets for Ultrafast Photonic Device

Jinde Yin, Fangxiang Zhu, Jintao Lai, Hao Chen, Mengyu Zhang, Jiaqiang Zhang, Jintao Wang, Tingchao He, Bo Zhang, Jianping Yuan, Peiguang Yan, Shuangchen Ruan

Shenzhen University

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

Group IVB transition metal dichalcogenides (TMDs) have attracted significant interests in photoelectronics due to their predictable superior physical properties compared to group VIB (Mo and W) TMDs. However, the nonlinear optical properties and ultrafast photonic devices based on group IVB TMDs remained unexplored so far. Herein, the nonlinear optical absorption of HfS ₂ nanosheets (NSs) prepared by liquid exfoliation is demonstrated. The usage of HfS ₂ as a new ultrafast photonic device for high-energy and ultrashort pulse generation in a fiber laser is reported for the first time. A photonic crystal fiber (PCF) assisted deposition method is presented for the fabrication of an HfS ₂ -microfiber integrated saturable absorber (SA) device with precisely controllable light–matter interaction, which can benefit the output of the device. The HfS ₂ -microfiber SA device shows modulation depth of 15.7% and exhibits outstanding ultrashort pulse generation performance with pulse duration of 221.7 fs in the communication band. The experimental results suggest that HfS ₂ presents highly nonlinear optical absorption and can be developed into an excellent candidate of SA devices for the development of HfS ₂ -based ultrafast photonics.

Original language	English
Article number	1801303
Journal	Advanced Optical Materials
Volume	7
Issue number	5
DOIs	https://doi.org/10.1002/adom.201801303
State	Published - 5 Mar 2019
Externally published	Yes

Keywords

hafnium sulfide
nonlinear optics
ultrafast photonics

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10.1002/adom.201801303

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title = "Hafnium Sulfide Nanosheets for Ultrafast Photonic Device",

abstract = " Group IVB transition metal dichalcogenides (TMDs) have attracted significant interests in photoelectronics due to their predictable superior physical properties compared to group VIB (Mo and W) TMDs. However, the nonlinear optical properties and ultrafast photonic devices based on group IVB TMDs remained unexplored so far. Herein, the nonlinear optical absorption of HfS 2 nanosheets (NSs) prepared by liquid exfoliation is demonstrated. The usage of HfS 2 as a new ultrafast photonic device for high-energy and ultrashort pulse generation in a fiber laser is reported for the first time. A photonic crystal fiber (PCF) assisted deposition method is presented for the fabrication of an HfS 2 -microfiber integrated saturable absorber (SA) device with precisely controllable light–matter interaction, which can benefit the output of the device. The HfS 2 -microfiber SA device shows modulation depth of 15.7% and exhibits outstanding ultrashort pulse generation performance with pulse duration of 221.7 fs in the communication band. The experimental results suggest that HfS 2 presents highly nonlinear optical absorption and can be developed into an excellent candidate of SA devices for the development of HfS 2 -based ultrafast photonics.",

keywords = "hafnium sulfide, nonlinear optics, ultrafast photonics",

author = "Jinde Yin and Fangxiang Zhu and Jintao Lai and Hao Chen and Mengyu Zhang and Jiaqiang Zhang and Jintao Wang and Tingchao He and Bo Zhang and Jianping Yuan and Peiguang Yan and Shuangchen Ruan",

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year = "2019",

month = mar,

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doi = "10.1002/adom.201801303",

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T1 - Hafnium Sulfide Nanosheets for Ultrafast Photonic Device

AU - Yin, Jinde

AU - Zhu, Fangxiang

AU - Lai, Jintao

AU - Chen, Hao

AU - Zhang, Mengyu

AU - Zhang, Jiaqiang

AU - Wang, Jintao

AU - He, Tingchao

AU - Zhang, Bo

AU - Yuan, Jianping

AU - Yan, Peiguang

AU - Ruan, Shuangchen

PY - 2019/3/5

Y1 - 2019/3/5

N2 - Group IVB transition metal dichalcogenides (TMDs) have attracted significant interests in photoelectronics due to their predictable superior physical properties compared to group VIB (Mo and W) TMDs. However, the nonlinear optical properties and ultrafast photonic devices based on group IVB TMDs remained unexplored so far. Herein, the nonlinear optical absorption of HfS 2 nanosheets (NSs) prepared by liquid exfoliation is demonstrated. The usage of HfS 2 as a new ultrafast photonic device for high-energy and ultrashort pulse generation in a fiber laser is reported for the first time. A photonic crystal fiber (PCF) assisted deposition method is presented for the fabrication of an HfS 2 -microfiber integrated saturable absorber (SA) device with precisely controllable light–matter interaction, which can benefit the output of the device. The HfS 2 -microfiber SA device shows modulation depth of 15.7% and exhibits outstanding ultrashort pulse generation performance with pulse duration of 221.7 fs in the communication band. The experimental results suggest that HfS 2 presents highly nonlinear optical absorption and can be developed into an excellent candidate of SA devices for the development of HfS 2 -based ultrafast photonics.

AB - Group IVB transition metal dichalcogenides (TMDs) have attracted significant interests in photoelectronics due to their predictable superior physical properties compared to group VIB (Mo and W) TMDs. However, the nonlinear optical properties and ultrafast photonic devices based on group IVB TMDs remained unexplored so far. Herein, the nonlinear optical absorption of HfS 2 nanosheets (NSs) prepared by liquid exfoliation is demonstrated. The usage of HfS 2 as a new ultrafast photonic device for high-energy and ultrashort pulse generation in a fiber laser is reported for the first time. A photonic crystal fiber (PCF) assisted deposition method is presented for the fabrication of an HfS 2 -microfiber integrated saturable absorber (SA) device with precisely controllable light–matter interaction, which can benefit the output of the device. The HfS 2 -microfiber SA device shows modulation depth of 15.7% and exhibits outstanding ultrashort pulse generation performance with pulse duration of 221.7 fs in the communication band. The experimental results suggest that HfS 2 presents highly nonlinear optical absorption and can be developed into an excellent candidate of SA devices for the development of HfS 2 -based ultrafast photonics.

KW - hafnium sulfide

KW - nonlinear optics

KW - ultrafast photonics

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Hafnium Sulfide Nanosheets for Ultrafast Photonic Device

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