Traditional multi-mode fiber spectrometers rely on algorithms to reconstruct the transmission matrix of the fiber,facing the challenge that the same wavelength can lead to many totally de-correlated speckle patterns a...Traditional multi-mode fiber spectrometers rely on algorithms to reconstruct the transmission matrix of the fiber,facing the challenge that the same wavelength can lead to many totally de-correlated speckle patterns as the transfer matrix changes rapidly with environment fluctuations(typically temperature fluctuation).In this manuscript,we theoretically propose a multi-mode-fiber(MMF)based,artificial intelligence assisted spectrometer which is ultra-robust to temperature fluctuation.It has been demonstrated that the proposed spectrometer can reach a resolution of 0.1 pm and automatically reject the noise introduced by temperature fluctuation.The system is ultra-robust and with ultra-high spectral resolution which is beneficial for real life applications.展开更多
基金supported by the National Natural Science Foundation of China(Nos.91750205,U1701661,61935013,61975128,61905147 and 61805165)the Leading Talents Program of Guangdong Province(No.00201505)+2 种基金the Natural Science Foundation of Guangdong Province(Nos.2016A030312010,2019TQ05X750 and 2020A1515010598)the Science,Technology and Innovation Commission of Shenzhen Municipality(Nos.JCYJ20180507182035270,KQTD2017033011044403,ZDSYS201703031605029,KQTD20180412181324255 and JCYJ2017818144338999)the Shenzhen University Starting Fund(No.2019073)
文摘Traditional multi-mode fiber spectrometers rely on algorithms to reconstruct the transmission matrix of the fiber,facing the challenge that the same wavelength can lead to many totally de-correlated speckle patterns as the transfer matrix changes rapidly with environment fluctuations(typically temperature fluctuation).In this manuscript,we theoretically propose a multi-mode-fiber(MMF)based,artificial intelligence assisted spectrometer which is ultra-robust to temperature fluctuation.It has been demonstrated that the proposed spectrometer can reach a resolution of 0.1 pm and automatically reject the noise introduced by temperature fluctuation.The system is ultra-robust and with ultra-high spectral resolution which is beneficial for real life applications.