Ultrafast nonlinear absorption and nonlinear refraction in few-layer oxidized black phosphorus

Shunbin Lu; Yanqi Ge; Zhengbo Sun; Zongyu Huang; Rui Cao; Chujun Zhao; Shuangchun Wen; Dianyuan Fan; Jianqing Li; Han Zhang

doi:10.1364/PRJ.4.000286

Photonics Research, Volume. 4, Issue 6, 286(2016)

Ultrafast nonlinear absorption and nonlinear refraction in few-layer oxidized black phosphorus

Shunbin Lu¹, Yanqi Ge¹, Zhengbo Sun¹, Zongyu Huang¹, Rui Cao², Chujun Zhao³, Shuangchun Wen³, Dianyuan Fan¹, Jianqing Li², and Han Zhang^1、*

Author Affiliations

¹SZU-NUS Collaborative Innovation Centre for Optoelectronic Science & Technology, and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, China

²Faculty of Information Technology, Macau University of Science and Technology, Macao

³Key Laboratory for Micro-Nano Optoelectronic Devices of Ministry of Education, College of Physics and Microelectronic Science, Hunan University, Changsha 410082, China

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Figures & Tables(6)

Fig. 1. Characterization of OBP. (a) TEM image and (b) XPS spectra of OBP. (c) Optical absorbance of an OBP nanosheet from 1 day to 7 days. (d) Representative direct Tauc plots used to determine the band-to-band transition from 1 day to 7 days.

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Fig. 2. (a) Z-scan measurements of the OBP nanosheet dispersions at different intensities at the 800 nm band. (b) Relation between the incident intensity and normalized transmittance of the OBP sample.

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Fig. 3. Band structure of (a) bare monolayer phosphorene, (b) PO0.125, (c) PO0.25, and (d) PO0.5.

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Fig. 4. Z-scan measurements of OBP dispersions and pure water in a cuvette. (a) OA, (b) CA, and (c) CA/OA measurements of OBP nanosheet dispersions; (d) OA and CA measurements of pure water in the cuvette.

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Fig. 5. (a) Experimental setup of the OBP-SA based EDF laser. (b) Pulse spectra, (c) pulse train, (d) autocorrelation trace, and (e) RF spectrum of the output laser pulses.

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Table 1. Linear and Nonlinear Parameters of the OBP Dispersions Excited at the Femtosecond Region

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Table 1. Linear and Nonlinear Parameters of the OBP Dispersions Excited at the Femtosecond Region

$T$ (%)	$α_{0} ({cm}^{- 1})$	$L_{eff}$ (mm)	$α_{NL}$ $(cm / GW, \times 10^{- 2})$	$I_{s}$ $(GW / {cm}^{2})$	$Im χ^{(3)}$ $(esu, \times 10^{- 14})$	FOM $(esu cm, \times 10^{- 15})$	$n_{2}$ $({cm}^{2} / W, \times 10^{- 16})$	$Re χ^{(3)}$ $(esu, \times 10^{- 14})$
32.3	11.3	0.60	$- (6.82 \pm 0.12)$	$773 \pm 37$	$- (9.92 \pm 0.16)$	$- (8.81 \pm 0.15)$	$- (3.61 \pm 0.19)$	$- (5.27 \pm 0.27)$
44.3	8.14	0.68	$- (3.80 \pm 0.20)$	$571 \pm 10$	$- (5.54 \pm 0.29)$	$- (6.81 \pm 0.36)$	$- (2.56 \pm 0.14)$	$- (3.74 \pm 0.20)$
87.4	1.35	0.93	$- (0.34 \pm 0.02)$	$148 \pm 2$	$- (0.49 \pm 0.03)$	$- (3.67 \pm 0.21)$	$- (0.98 \pm 0.05)$	$- (1.43 \pm 0.07)$

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Shunbin Lu, Yanqi Ge, Zhengbo Sun, Zongyu Huang, Rui Cao, Chujun Zhao, Shuangchun Wen, Dianyuan Fan, Jianqing Li, Han Zhang, "Ultrafast nonlinear absorption and nonlinear refraction in few-layer oxidized black phosphorus," Photonics Res. 4, 286 (2016)

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Paper Information

Category: Nonlinear Optics

Received: Aug. 17, 2016

Accepted: Sep. 29, 2016

Published Online: Dec. 23, 2016

The Author Email: Han Zhang (hzhang@szu.edu.cn)

DOI:10.1364/PRJ.4.000286

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology