Photonic frequency-multiplied 4096-QAM vector millimeter-wave signal generation using CE-DSM  

作　　者：Acai Tan Yanyi Wang Siyu Luo Zhengxuan Li Yingxiong Song Jianjun Yu 谭阿才;王演祎;骆思雨;李正璇;宋英雄;余建军(Key Laboratory of Specialty Fiber Optics and Optical Access Networks,Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication,Shanghai University,Shanghai 200444,China;Key Laboratory for Information Science of Electromagnetic Waves(Ministry of Education),Fudan University,Shanghai 200433,China)

机构地区：[1]Key Laboratory of Specialty Fiber Optics and Optical Access Networks,Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication,Shanghai University,Shanghai 200444,China [2]Key Laboratory for Information Science of Electromagnetic Waves(Ministry of Education),Fudan University,Shanghai 200433,China

出　　处：《Chinese Optics Letters》2024年第10期19-24,共6页中国光学快报（英文版）

基　　金：supported by the National Key Research and Development Program of China(No.2021YFB2900800);the Science and Technology Commission of Shanghai Municipality(Nos.22511100902,22511100502,and 20ZR1420900);the 111 Project(No.D20031)。

摘　　要：We propose a photonic frequency-multiplied vector millimeter-wave(mmW)signal generation scheme based on constantenvelope delta-sigma modulation(CE-DSM).The CE characteristic of phase modulation can easily avoid intensity-dependent nonlinear distortion caused by photonic frequency multiplication.Additionally,combined with one-bit DSM,the in-band signal-to-noise ratio can be dramatically improved,enabling high-order quadrature amplitude modulation(QAM)vector mmW signal generation with high spectral efficiency.Experimental results indicate that a 40 GHz four-fold frequency-multiplied 4096-QAM vector mmW signal generation system is successfully accomplished with 15-km standard single-mode fiber(SSMF)and 1-m wireless transmission,and the bit error ratio(BER)reaches the threshold of 3.8×10^(-3).

关 键 词：MILLIMETER-WAVE delta-sigma modulation constant envelope phase modulation 

分 类 号：TN929.11[电子电信—通信与信息系统]