Generation of High‐Order Laguerre‐Gaussian Modes from an Optical Vortex Pumped Diamond Raman Laser

Author:

Xuan Chuang1,Zhou Yuxia12,Yang Xining1,Ma Yuanyuan3,Rao A. Srinivasa34,Omatsu Takashige34,Bai Zhenxu5,Wan Ying6,Wen Jianxiang7,Yusufu Taximaiti1ORCID

Affiliation:

1. Xinjiang Key Laboratory for Luminescence Minerals and Optical Functional Materials School of Physics and Electronic Engineering Xinjiang Normal University Urumqi Xinjiang 830054 China

2. School of Chemistry and Chemical Engineering Xinjiang Normal University Urumqi Xinjiang 830054 China

3. Graduate School of Engineering Chiba University Chiba 263–8522 Japan

4. Molecular Chirality Research Center Chiba University Chiba 263–8522 Japan

5. Hebei Key Laboratory of Advanced Laser Technology and Equipment Hebei University of Technology Tianjin 300401 China

6. Jiangsu Key Laboratory for Optoelectronic Detection of Atmosphere and Ocean School of Physics and Optoelectronic Engineering Nanjing University of Information Science & Technology Nanjing 210044 China

7. Key Lab of Specialty Fiber Optics and Optical Access Networks School of Communication and Information Engineering Shanghai University Shanghai 200444 China

Abstract

AbstractThis work report the generation of high‐order Laguerre–Gaussian (LG) modes from a nanosecond, optical vortex pumped diamond Raman laser. This system is capable of generating first‐Stokes (λ1st = 1240 nm) LG modes with topological charge (ℓ) of up to 26 and second‐Stokes (λ2nd = 1485 nm) LG modes with topological charge of up to 22, when pumped using a first‐order vortex beam. The maximum first‐ and second‐Stokes LG mode energies are measured to be 0.5 and 1 mJ, respectively, when pumping with energy of 19.8 mJ.

Funder

National Natural Science Foundation of China

Xinjiang Normal University

Publisher

Wiley

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