Broadband light-control-light characteristics of WS2 on microfiber

Hanguang Li; Heyuan Guan; Guowei Chen; Zijian Zhang; Xiaoli Wang; Mengjiang Jiang; Yuwei Lang; Wenguo Zhu; Jianhui Yu; Huihui Lu; Wentao Qiu; Jiangli Dong; Yunhan Luo; Jun Zhang; Zhe Chen

doi:10.1117/12.2505857

15 November 2018 Broadband light-control-light characteristics of WS₂ on microfiber

Hanguang Li, Heyuan Guan, Guowei Chen, Zijian Zhang, Xiaoli Wang, Mengjiang Jiang, Yuwei Lang, Wenguo Zhu, Jianhui Yu, Huihui Lu, Wentao Qiu, Jiangli Dong, Yunhan Luo, Jun Zhang, Zhe Chen

Author Affiliations +

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109642S (2018) https://doi.org/10.1117/12.2505857
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

Light control-light characteristics of a micro fiber (MF) coated with tungsten disulfide (WS2) nanosheets is demonstrated in this paper. A device with WS₂-coated MF has been fabricated, and the transmitted optical powers of the device are measured with 405 and 660 nm pump lasers. By tuning the pump lasers, we achieve the all light controllable sensing of WS₂-coated MF over a broadband wavelength range from 1520 to 1620 nm, offering competitive sensities of 0.238 and 0.136 dB/mW for 405 and 660 nm pump lasers, respectively. In addition, The rise and fall times of the transient response to pump lasers are also measured. For the 405 nm laser, the rise and fall times of the transient response are 0.32s and 0.42s, respectively. For 660 nm laser, the response times toward the presence (removal) of the pump light transient response are 0.28s and 0.37s, respectively. Experimental results indicate that the device integrated with WS₂ could hold promising potentials in photoelectric and photonic applications.

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Hanguang Li, Heyuan Guan, Guowei Chen, Zijian Zhang, Xiaoli Wang, Mengjiang Jiang, Yuwei Lang, Wenguo Zhu, Jianhui Yu, Huihui Lu, Wentao Qiu, Jiangli Dong, Yunhan Luo, Jun Zhang, and Zhe Chen "Broadband light-control-light characteristics of WS₂ on microfiber", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109642S (15 November 2018); https://doi.org/10.1117/12.2505857

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