Efficient nonlinear beam shaping in three-dimensional lithium niobate nonlinear photonic crystals

Dunzhao Wei, Chaowei Wang, Xiaoyi Xu, Huijun Wang, Yanlei Hu, Pengcheng Chen, Jiawen Li, Yunzhi Zhu, Chen Xin, Xiaopeng Hu, Yong Zhang (), Dong Wu (), Jiaru Chu, Shining Zhu and Min Xiao ()
Additional contact information
Dunzhao Wei: Nanjing University
Chaowei Wang: University of Science and Technology of China
Xiaoyi Xu: Nanjing University
Huijun Wang: Nanjing University
Yanlei Hu: University of Science and Technology of China
Pengcheng Chen: Nanjing University
Jiawen Li: University of Science and Technology of China
Yunzhi Zhu: Nanjing University
Chen Xin: University of Science and Technology of China
Xiaopeng Hu: Nanjing University
Yong Zhang: Nanjing University
Dong Wu: University of Science and Technology of China
Jiaru Chu: University of Science and Technology of China
Shining Zhu: Nanjing University
Min Xiao: Nanjing University

Nature Communications, 2019, vol. 10, issue 1, 1-7

Abstract: Abstract Nonlinear beam shaping refers to spatial reconfiguration of a light beam at a new frequency, which can be achieved by using nonlinear photonic crystals (NPCs). Direct nonlinear beam shaping has been achieved to convert second-harmonic waves into focusing spots, vortex beams, and diffraction-free beams. However, previous nonlinear beam shaping configurations in one-dimensional and two-dimensional (2D) NPCs generally suffer from low efficiency because of unfulfilled phase-matching condition. Here, we present efficient generations of second-harmonic vortex and Hermite-Gaussian beams in the recently-developed three-dimensional (3D) lithium niobate NPCs fabricated by using a femtosecond-laser-engineering technique. Since 3D χ(2) modulations can be designed to simultaneously fulfill the requirements of nonlinear wave-front shaping and quasi-phase-matching, the conversion efficiency is enhanced up to two orders of magnitude in a tens-of-microns-long 3D NPC in comparison to the 2D case. Efficient nonlinear beam shaping paves a way for its applications in optical communication, super-resolution imaging, high-dimensional entangled source, etc.

Date: 2019
References: Add references at CitEc
Citations: View citations in EconPapers (1)

Downloads: (external link)
https://www.nature.com/articles/s41467-019-12251-0 Abstract (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-12251-0

Ordering information: This journal article can be ordered from
https://www.nature.com/ncomms/

DOI: 10.1038/s41467-019-12251-0

Access Statistics for this article

Nature Communications is currently edited by Nathalie Le Bot, Enda Bergin and Fiona Gillespie

More articles in Nature Communications from Nature
Bibliographic data for series maintained by Sonal Shukla () and Springer Nature Abstracting and Indexing ().