Broadband nonlinear optical resonance and all-optical switching of liquid phase exfoliated tungsten diselenide

Yue Jia; Youxian Shan; Leiming Wu; Xiaoyu Dai; Dianyuan Fan; Yuanjiang Xiang

doi:10.1364/PRJ.6.001040

Photonics Research, Volume. 6, Issue 11, 1040(2018)

Broadband nonlinear optical resonance and all-optical switching of liquid phase exfoliated tungsten diselenide

Yue Jia^1,2, Youxian Shan^1,2, Leiming Wu^1,2, Xiaoyu Dai^1,2, Dianyuan Fan^1,2, and Yuanjiang Xiang^2、*

¹SZU-NUS Collaborative Center and International Collaborative Laboratory of 2D Materials for Optoelectronic Science & Technology of Ministry of Education, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

²Engineering Technology Research Center for 2D Material Information Function Devices and Systems of Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

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Figures & Tables(9)

Fig. 1. Characterization of WSe2 nanoparticles after stable storing for two weeks. (a) TEM image, (b) HRTEM image, (c) AFM image, (d) transmittance spectrum, (e) Raman spectrum, and (f) XRD pattern.

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Fig. 2. Diagrammatic sketch of the measuring experimental setup.

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$(a)–(c) Diffraction rings received by a CCD of SSPM transformation; (d) schematic of the distortion for WSe2 nanoparticle dispersions.$

Fig. 3. (a)–(c) Diffraction rings received by a CCD of SSPM transformation; (d) schematic of the distortion for WSe2 nanoparticle dispersions.

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$(a) Variation of the half-cone angle (θH) with incident intensity; (b) variation of the distortion angle (θD) with incident intensity; (c) change in the nonlinear refractive index of WSe2 after distortion.$

Fig. 4. (a) Variation of the half-cone angle (θH) with incident intensity; (b) variation of the distortion angle (θD) with incident intensity; (c) change in the nonlinear refractive index of WSe2 after distortion.

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$Variation of diffraction ring numbers with incident intensity at λ=532 nm, λ=671 nm, and λ=457 nm, respectively.$

Fig. 5. Variation of diffraction ring numbers with incident intensity at λ=532 nm, λ=671 nm, and λ=457 nm, respectively.

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$(a) Transformation of SSPM. (1)–(3): continuous wave; (4)–(6): ultrafast wave. (b) Variation of diffraction ring numbers with continuous wave and ultrafast wave.$

Fig. 6. (a) Transformation of SSPM. (1)–(3): continuous wave; (4)–(6): ultrafast wave. (b) Variation of diffraction ring numbers with continuous wave and ultrafast wave.

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Fig. 7. Schematic of the experimental configuration for all-optical switching.

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Fig. 8. (a) Results obtained by using a relatively strong λ=532 nm laser beam to control the other laser beam with relatively weak power at λ=671 nm; (b), (c) images obtained from white screen.

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Table 1. n2 and χmonolayer(3) for a Variety of 2D Materials

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Table 1. n2 and χmonolayer(3) for a Variety of 2D Materials

2D Materials	Wavelength (nm)	$n_{2}$ ( ${cm}^{2} / W$ )	$χ_{monolayer}^{(3)}$ (e.s.u.)	References
Graphene	473	$10^{- 7}$	$10^{- 7}$	Ref. [38]
Graphene	532	$10^{- 7}$	$10^{- 7}$	Ref. [38]
${Bi}_{2} {Se}_{3}$	350	$10^{- 8}$	$10^{- 8}$	Ref. [39]
	600	$10^{- 9}$	$10^{- 8}$
	700	$10^{- 9}$	$10^{- 9}$
Black phosphorus	600	$10^{- 5}$	$10^{- 8}$	Ref. [40]
	700	$10^{- 5}$	$10^{- 8}$
	1160	$10^{- 5}$	$10^{- 8}$
${WSe}_{2}$	457	$10^{- 9}$	$10^{- 6}$	Our work
	532	$10^{- 10}$	$10^{- 6}$
	671	$10^{- 11}$	$10^{- 6}$

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Yue Jia, Youxian Shan, Leiming Wu, Xiaoyu Dai, Dianyuan Fan, Yuanjiang Xiang, "Broadband nonlinear optical resonance and all-optical switching of liquid phase exfoliated tungsten diselenide," Photonics Res. 6, 1040 (2018)

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Paper Information

Category: Nonlinear Optics

Received: Aug. 6, 2018

Accepted: Sep. 7, 2018

Published Online: Nov. 11, 2018

The Author Email: Yuanjiang Xiang (xiangyuanjiang@126.com)

DOI:10.1364/PRJ.6.001040

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology