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

Journals >Photonics Research >Volume 4 >Issue 6 >Page 286 > Article

Photonics Research
Vol. 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

show less

DOI: 10.1364/PRJ.4.000286 Cite this Article Set citation alerts

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[J]. Photonics Research, 2016, 4(6): 286 Copy Citation Text

EndNote(RIS)

BibTex

Plain Text

show less

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.

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.

Download full size | View in the Article

(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.

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.

Download full size | View in the Article

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

Download full size | View in the Article

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.

Download full size | View in the Article

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.

Download full size | View in the Article

$T$ (%)	$α_{0} ({cm}^{- 1})$	$L_{eff}$ (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	$- (0.34 \pm 0.02)$	$148 \pm 2$	$- (0.49 \pm 0.03)$	$- (3.67 \pm 0.21)$	$- (0.98 \pm 0.05)$	$- (1.43 \pm 0.07)$