Frequency converting and digital modulation of light derived from lanthanide for signal encoding and logic computing  

作　　者：Haisheng Chen Jiaying Shen Xiaona Du Songhua Cai Feng Guo Weng Fu Io Tianhong Zhou Zhengang Dong Taiyu Bian Jiaxing Guo Weiwei Liu Yang Zhang Zhenping Wu Jianhua Hao 

机构地区：[1]Institute of Modern Optics and Tianjin Key Laboratory of Micro-Scale Optical Information Science and Technology,Nankai University,Tianjin,the People's Republic of China [2]State Key Laboratory of Information Photonics and Optical Communications&School of Science,Beijing University of Posts and Telecommunications,Beijing,the People's Republic of China [3]Institute of Photoelectric Thin Film Devices and Technology,College of Electronic Information and Optical Engineering,Nankai University,Tianjin,the People's Republic of China [4]Department of Applied Physics,The Hong Kong Polytechnic University,Hung Hom,Hong Kong,the People's Republic of China [5]The Hong Kong Polytechnic University Shenzhen Research Institute,Shenzhen,the People's Republic of China

出　　处：《InfoMat》2024年第7期102-113,共12页信息材料（英文）

基　　金：the financial support from the National Natural Science Foundation of China(No.52233014,12074044,11874230,12274243);the Research Grants Council of Hong Kong(PolyU SRFS2122-5S02);the Fund of State Key Laboratory of Information Photonics and Optical Communications(IPOC2021ZT05,IPOC2022A02);the Fundamental Research Funds for the Central Universities(BUPT).

摘　　要：Modulation of light underpins a central part of modern optoelectronics.Con-ventional optical modulators based on refractive-index and absorption varia-tion in the presence of an electric field serve as the workhorse for diverse photonic technologies.However,these approaches based on electro-refraction or electro-absorption effect impose limitations on frequency converting and signal amplification.Lanthanide-activated phosphors offer a promising plat-form for nonlinear frequency conversion with an abundant spectrum.Here,we propose a novel approach to achieve frequency conversion and digital modula-tion of light signal by coupling lanthanide luminescence with an electrically responsive ferroelectric host.The technological benefits of such paradigm-shifting solution are highlighted by demonstrating a quasi-continuous and enhancement of the lanthanide luminescence.The ability to locally manipulate light emission can convert digital information signals into visible waveforms,and visualize electrical logic and arithmetic operations.The proof-of-concept device exhibits perspectives for developing light-compatible logic functions.These results pave the way to design more controllable lanthanide photonics with desired opto-electronic coupling.

关 键 词：dynamic modulation ferroelectric thin film lanthanide luminescence signal encoding upconversion luminescence 

分 类 号：O61[理学—无机化学]