[HTML][HTML] Ultra-thin 3D lensless fiber endoscopy using diffractive optical elements and deep neural networks

R Kuschmierz, E Scharf… - Light: Advanced …, 2021 - light-am.com
Minimally invasive endoscopes are indispensable in biomedicine. Coherent fiber bundles
(CFBs) enable ultrathin lensless endoscopes. However, the propagation of light through a …

[HTML][HTML] Learning the matrix of few-mode fibers for high-fidelity spatial mode transmission

Q Zhang, S Rothe, N Koukourakis, J Czarske - APL Photonics, 2022 - pubs.aip.org
Few-mode fibers (FMFs) are promising for advancements in transmission capacity in
classical and quantum communications. However, the inherent modal crosstalk limits the …

Intensity-only mode decomposition on multimode fibers using a densely connected convolutional network

S Rothe, Q Zhang, N Koukourakis… - Journal of Lightwave …, 2021 - opg.optica.org
The use of multimode fibers offers advantages in the field of communication technology in
terms of transferable information density and information security. For applications using …

Deep learning-based fiber bending recognition for sensor applications

D Bender, U Çakır, E Yüce - IEEE Sensors Journal, 2023 - ieeexplore.ieee.org
The sensitivity of multimode fibers (MMFs) to mechanical deformations has led to their
widespread use in various fields, such as structural monitoring and healthcare. However …

Reusability report: Predicting spatiotemporal nonlinear dynamics in multimode fibre optics with a recurrent neural network

U Teğin, NU Dinç, C Moser, D Psaltis - Nature Machine Intelligence, 2021 - nature.com
Results Temporal results. The datasets generated by the aforementioned TD-BPM contain
1,000 examples of spatiotemporal nonlinear propagation of femtosecond pulses (see …

Degenerated mode decomposition with convolutional neural network for few-mode fibers

B Yan, J Zhang, M Wang, Y Jiang, S Mi - Optics & Laser Technology, 2022 - Elsevier
In this paper, a deep learning method is proposed to fully characterize the degenerated
mode of high-order mode (HOM) group in few-mode fibers (FMFs). The HOM consists of four …

Sub-sampled modal decomposition in few-mode fibers

K Choi, C Jun - Optics Express, 2021 - opg.optica.org
Retrieving modal contents from a multimode beam profile can provide the most detailed
information of a beam. Numerical modal decomposition is a method of retrieving modal …

Complex wavefront sha** through a multi-core fiber

J Sun, N Koukourakis, JW Czarske - Applied Sciences, 2021 - mdpi.com
Wavefront sha** through a multi-core fiber (MCF) is turning into an attractive method for
endoscopic imaging and optical cell-manipulation on a chip. However, the discrete …

Deep learning-based ballistocardiography reconstruction algorithm on the optical fiber sensor

S Chen, F Tan, W Lyu, H Luo, J Yu, J Qu, C Yu - Optics express, 2022 - opg.optica.org
Ballistocardiography (BCG) is a vibration signal related to cardiac activity, which can be
obtained in a non-invasive way by optical fiber sensors. In this paper, we propose a modified …

Few-Mode Fiber Characterization System Based on the Spatially and Spectrally Imaging Technique

J Yu, F Tan, C Yu - Sensors, 2022 - mdpi.com
With the widespread use of few-mode fibers, mode characteristics testing becomes
essential. In this paper, current few-mode fiber testing techniques are discussed, and the S2 …