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Universal photonic processor for spatial mode decomposition [PDF]

Nature Communications
Efficient and precise information storage and processing using light’s various degrees of freedom - intensity, phase, and polarization - have vast applications in modern photonics.
Varun Sharma, Dorian Brandmüller, Johannes Bütow, Jörg S. Eismann, Peter Banzer   +4 more
doaj   +4 more sources

Metamaterial-enabled arbitrary on-chip spatial mode manipulation [PDF]

Light: Science & Applications, 2022
On-chip spatial mode operation, represented as mode-division multiplexing (MDM), can support high-capacity data communications and promise superior performance in various systems and numerous applications from optical sensing to nonlinear and quantum ...
Jinlong Xiang, Zhiyuan Tao, Xingfeng Li, Yaotian Zhao, Yu He, Xuhan Guo, Yikai Su   +6 more
doaj   +2 more sources

Waveguide-integrated spatial mode filters with PtSe2 nanoribbons [PDF]

Nanophotonics
Low-dimensional material-based heterogeneous silicon photonics has attracted significant attention due to their applications in developing integrated optoelectronic devices from the telecommunication band to mid-infrared wavelengths.
Xu Tianping, Xing Zhengkun, Xiao Shuqi, Niu Rui, Yuan Quan, Xu Luping, Zhang Zunyue, Liu Tiegen, Tsang Hon Ki, Wang Jiaqi, Cheng Zhenzhou   +10 more
doaj   +2 more sources

Reconfigurable spatial-mode generation and multiplexing on a scalable photonic chip [PDF]

npj Nanophotonics
Spatial modes have found widespread applications in spatial division multiplexing (SDM), sensing, quantum information processing, and on-chip machine learning.
Xingguo Xiao, Yuxuan Chen, Bishal Bhandari, Simon Levasseur, Leslie A. Rusch, Wei Shi   +5 more
doaj   +2 more sources

Tomography of spatial mode detectors

Optics Express, 2015
9 pages, 4 ...
A A Markov, S S Straupe
exaly   +4 more sources

Spatial mode conversion of single photons at the C-band using in fiber long-period gratings [PDF]

Scientific Reports
The ability to convert the spatial mode of single photons opens up a promising path to enhancing quantum communication protocols by enabling high-dimensional encoding and efficient multiplexing.
Rodrigo Amorim, Lars Grüner-Nielsen, Karsten Rottwitt   +2 more
doaj   +2 more sources

Super-Resolution Parameter Estimation Using Machine Learning-Assisted Spatial Mode Demultiplexing [PDF]

Sensors
We present the use of a light-weight machine learning (ML) model to estimate the separation and relative brightness of two incoherent light sources below the diffraction limit.
David R. Gozzard, John S. Wallis, Alex M. Frost, Joshua J. Collier, Nicolas Maron, Benjamin P. Dix-Matthews, Kevin Vinsen   +6 more
doaj   +2 more sources

Numerical and Experimental Study of Mode Coupling Due to Localised Few-Mode Fibre Bragg Gratings and a Spatial Mode Multiplexer [PDF]

Sensors
Mode conversion effects in Fibre Bragg Gratings (FBGs) are widely exploited in applications such as sensing and fibre lasers. However, when FBGs are inscribed into Few-mode optical Fibres (FMFs), the mode interactions become highly complex due to the ...
James Hainsworth, Adriana Morana, Lucas Lescure, Philippe Veyssiere, Sylvain Girard, Emmanuel Marin   +5 more
doaj   +2 more sources

Identification Strategy Design with the Solution of Wavelet Singular Spectral Entropy Algorithm for the Aerodynamic System Instability

Aerospace, 2022
In order to effectively identify the signs of instability in the aerodynamic system of an axial compressor, a wavelet singular spectral entropy algorithm incorporated within the wavelet transform, singular value decomposition and information entropy is ...
Mingming Zhang, Pan Kong, Anping Hou, Aiguo Xia, Wei Tuo, Yongzhao Lv   +5 more
doaj   +1 more source

Aerodynamic System Machine Learning Modeling with Gray Wolf Optimization Support Vector Regression and Instability Identification Strategy of Wavelet Singular Spectrum

Biomimetics, 2023
The prediction of a stall precursor in an axial compressor is the basic guarantee to the stable operation of an aeroengine. How to predict and intelligently identify the instability of the system in advance is of great significance to the safety ...
Mingming Zhang, Pan Kong, Aiguo Xia, Wei Tuo, Yongzhao Lv, Shaohong Wang   +5 more
doaj   +1 more source