Resonant and nonresonant second-harmonic generation in a single cadmium sulfide nanowire

Xiaoyang Huang; Shuwei Dai; Pengfei Xu; Yongmei Wang; Qing Yang; Yong Zhang; Min Xiao

doi:10.3788/COL201715.061901

Journals >Chinese Optics Letters >Volume 15 >Issue 6 >Page 061901 > Article

Chinese Optics Letters
Vol. 15, Issue 6, 061901 (2017)

Resonant and nonresonant second-harmonic generation in a single cadmium sulfide nanowire | Editors' Pick

Xiaoyang Huang¹, Shuwei Dai¹, Pengfei Xu², Yongmei Wang¹, Qing Yang², Yong Zhang^1、*, and Min Xiao^1、3

Author Affiliations

¹National Laboratory of Solid State Microstructures, School of Physics, and College of Engineering and Applied Sciences, Nanjing University, Nanjing 210093, China

²State Key Laboratory of Modern Optical Instrumentation, Department of Optical Engineering, Zhejiang University, Hangzhou 310027, China

³Department of Physics, University of Arkansas, Fayetteville, Arkansas 72701, USA

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DOI: 10.3788/COL201715.061901 Cite this Article Set citation alerts

Xiaoyang Huang, Shuwei Dai, Pengfei Xu, Yongmei Wang, Qing Yang, Yong Zhang, Min Xiao. Resonant and nonresonant second-harmonic generation in a single cadmium sulfide nanowire[J]. Chinese Optics Letters, 2017, 15(6): 061901 Copy Citation Text

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Fig. 1. SEM image of the single CdS nanowire sample. As shown in the inset, the diameter of the nanowire is about 500 nm.

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Experimental setup. M, mirror; CH, chopper; HWP, half-wave plate; L1 and L2, lens; LF, long-pass filter; S, sample; SF, short-pass filter; P, polarizer; PMT, photomultiplier tube. s and p indicate the s- and p-polarizations, respectively. a, b, and c are the crystallographic axes of the CdS nanowire.

Fig. 2. Experimental setup. M, mirror; CH, chopper; HWP, half-wave plate; L1 and L2, lens; LF, long-pass filter; S, sample; SF, short-pass filter; P, polarizer; PMT, photomultiplier tube.

s

and

p

indicate the

s

- and

p

-polarizations, respectively.

a

b

, and

c

are the crystallographic axes of the CdS nanowire.

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Fig. 3. Experimentally measured

p

-polarized and

s

-polarized SH intensities as a function of the polarization of the normal incident fundamental wave at (a) 1050 and (b) 740 nm. The theoretical fits using Eq. (3a) and (3b) are in good agreement with the experimental results.

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Fig. 4. Emission spectra from a single CdS nanowire excited by a