典型文献
High-fidelity parametric amplification of Ince–Gaussian beams
文献摘要：
Ince–Gaussian (IG) beams, as eigenfunctions of the paraxial wave equation in elliptical coordinates, are attracting increasing interest owing to their propagation-invariant and full-field properties. Optical amplification via parametric interactions can further expand their application areas, yet it is rarely studied. In this work, we report on a high-fidelity parametric amplifier for IG beams. The nonlinear transformation of the spatial spectra of the signal and associated influences on the beam profiles of the amplified signal, under different pump structures, were theoretically and experimentally investigated. By using a perfect flattop beam as the pump, we show that the transverse structure of IG signals is well maintained, and the distortion induced by radial-mode degeneration is overcome during amplification. This proof-of-principle demonstration paves the way for a mode-independent and distortion-free amplifier of arbitrary structured light and has great significance in relevant areas, such as quantum optics, tunable infrared-laser generation, and image amplification.
文献关键词：
中图分类号：
作者姓名：
Ding Yan;Zhiyuan Zhong;Tong Qi;Hongying Chen;Wei Gao
作者机构：
Heilongjiang Provincial Key Laboratory of Quantum Control, School of Measurement and Communication Engineering, Harbin University of Science and Technology, Harbin 150080, China
文献出处：
引用格式：
[1]Ding Yan;Zhiyuan Zhong;Tong Qi;Hongying Chen;Wei Gao-.High-fidelity parametric amplification of Ince–Gaussian beams)[J].中国光学快报（英文版）,2022(11):113801
A类：
flattop
B类：
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AB值：
0.652401
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