相关实验视频

Updated: May 9, 2025

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Generation and Coherent Control of Pulsed Quantum Frequency Combs

Published on: June 8, 2018

在非线性光学微振解器中实现极高效率的频率转换

Zhi-Yan Wang¹, Xiao Wu², Xiao Xiong¹

¹State Key Laboratory for Mesoscopic Physics, Frontiers Science Center for Nano-optoelectronics, New Cornerstone Science Laboratory, School of Physics, Peking University, Beijing 100871, China.

Science advances

|May 2, 2025

概括

研究人员开发了一种用于微复原器中第二子生成的新框架,实现了创纪录的61.3%的转换效率. 在非线性光子学中的这一突破承诺更高效的光学设备.

科学领域:

综合非线性光子学综合非线性光子学
微共振器设备的使用方法
非线性光学是一种非线性光学.

背景情况:

在微振解器中,高效的非线性频率转换对于集成光子学至关重要.
绝对转换效率 (ACE) 是受损失和非线性效应的限制.

研究的目的:

建立一个统一的框架来预测微复原器中的ACE限值.
在非线性关键合 (NCC) 下确定控制ACE的关键因素 (M).

主要方法:

开发了微振器中第二波生成 (SHG) 的理论框架.
制造的周期性电极化酸微振荡器.
针对分散-消散抑制以实现NCC.

主要成果:

在SHG中实现了创纪录的61.3%的ACE.
通过毫瓦级的功率证明了高效的转换.
通过增加M因子,展示了提高效率的潜力.

结论:

开发的框架为高效非线性光学设备提供了一个多功能范式.
结果为经典和量子光子应用的进步铺平了道路.
M因子是ACE极限的决定性预测因子.

更多相关视频

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Microwave Photonics Systems Based on Whispering-gallery-mode Resonators

Published on: August 5, 2013

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Low-cost Custom Fabrication and Mode-locked Operation of an All-normal-dispersion Femtosecond Fiber Laser for Multiphoton Microscopy

Published on: November 22, 2019

相关概念视频

Characteristics of Series Resonant Circuit

Characteristics of Series Resonant Circuit

Series resonance occurs in a circuit containing inductive (L), capacitive (C), and resistive (R) elements connected sequentially. At the resonance frequency, the inductive and capacitive reactances are equal in magnitude but opposite in sign, effectively canceling each other. This causes the circuit's impedance is minimal, primarily determined by the resistance R. The resonant frequency of an RLC circuit is defined as: