As a continuous transition between the Hermite-Gaussian and Laguerre-Gaussian beams, the Ince-Gaussian beams form a family of exact orthogonal solutions of the free-space paraxial wave equation in elliptic coordinates. Ince-Gaussian beams have multiple transverse mode patterns, which make them unique in terms of application in the fields of bioengineering, particle manipulation, and quantum entanglement. Here, based on binary nonlinear computer-generated holograms with a domain structure (realized via electric field poling at room temperature), we generate a second-harmonic Ince-Gaussian beam pumped with a fundamental Gaussian beam. In this process, the transverse part of the phase-matching condition is satisfied, which is called the Raman–Nath-type nonlinear diffraction. Both frequency conversion and beam shaping can be realized simultaneously, thereby offering the advantage of integration of both functions into a single device.
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20 August 2018
Research Article|
August 23 2018
Generation of second-harmonic Ince-Gaussian beams
Meng-Ying Wang;
Meng-Ying Wang
a)
1
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University
, Nanjing 210093, China
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Jie Tang;
Jie Tang
a)
1
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University
, Nanjing 210093, China
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Hui-Jun Wang
;
Hui-Jun Wang
2
Department of Physics, Nanjing University
, Nanjing 210093, China
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Yang Ming;
Yang Ming
1
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University
, Nanjing 210093, China
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Yong Zhang;
Yong Zhang
1
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University
, Nanjing 210093, China
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Guo-Xin Cui;
Guo-Xin Cui
b)
1
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University
, Nanjing 210093, China
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Yan-Qing Lu
Yan-Qing Lu
1
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences, Nanjing University
, Nanjing 210093, China
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a)
M.-Y. Wang and J. Tang contributed equally to this work.
b)
Electronic mail: cuiguoxin@nju.edu.cn.
Appl. Phys. Lett. 113, 081105 (2018)
Article history
Received:
May 28 2018
Accepted:
August 08 2018
Citation
Meng-Ying Wang, Jie Tang, Hui-Jun Wang, Yang Ming, Yong Zhang, Guo-Xin Cui, Yan-Qing Lu; Generation of second-harmonic Ince-Gaussian beams. Appl. Phys. Lett. 20 August 2018; 113 (8): 081105. https://doi.org/10.1063/1.5041986
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