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Proceedings Paper

Demonstration of self-phase modulation in high-nonlinearity CdTe nanowires
Author(s): C. G. Xin; X. Guo; L. M. Tong
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Paper Abstract

Optical spectral broadening induced by self-phase modulation (SPM) in single CdTe nanowires is measured. A significant spectral broadening of about 10 nm is observed using ps near-infrared (NIR) pulses with coupled peak power of a dozen W. Benefiting from the large effective nonlinearity and refractive index of these nanowires, the necessary propagating length goes down to several hundred μms. A relatively large nonlinear-index coefficient (n2) more than 1×10-17 m2 /W is obtained from transmission spectra experimentally within measured spectral region, which suggest great possibility for these nanowires in developing ultracompact nonlinear optical devices.

Paper Details

Date Published: 12 March 2020
PDF: 6 pages
Proc. SPIE 11440, 2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices, 1144009 (12 March 2020); doi: 10.1117/12.2543293
Show Author Affiliations
C. G. Xin, North Univ. of China (China)
Zhejiang Univ. (China)
X. Guo, Zhejiang Univ. (China)
L. M. Tong, Zhejiang Univ. (China)


Published in SPIE Proceedings Vol. 11440:
2019 International Conference on Optical Instruments and Technology: Micro/Nano Photonics: Materials and Devices
Baojun Li; Xingjun Wang; Ya Sha Yi, Editor(s)

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