Controlling light propagation in multimode fibers for imaging, spectroscopy, and beyond

H Cao, T Čižmár, S Turtaev, T Tyc… - Advances in Optics and …, 2023 - opg.optica.org
Light transport in a highly multimode fiber exhibits complex behavior in space, time,
frequency, and polarization, especially in the presence of mode coupling. The newly …

Light fields in complex media: Mesoscopic scattering meets wave control

S Rotter, S Gigan - Reviews of Modern Physics, 2017 - APS
The newly emerging field of wave front sha** in complex media has recently seen
enormous progress. The driving force behind these advances has been the experimental …

Deep optical imaging within complex scattering media

S Yoon, M Kim, M Jang, Y Choi, W Choi, S Kang… - Nature Reviews …, 2020 - nature.com
Optical imaging has had a central role in elucidating the underlying biological and
physiological mechanisms in living specimens owing to its high spatial resolution, molecular …

Multimode optical fiber transmission with a deep learning network

B Rahmani, D Loterie, G Konstantinou… - Light: science & …, 2018 - nature.com
Multimode fibers (MMFs) are an example of a highly scattering medium, which scramble the
coherent light propagating within them to produce seemingly random patterns. Thus, for …

Wavefront sha**: a versatile tool to conquer multiple scattering in multidisciplinary fields

Z Yu, H Li, T Zhong, JH Park, S Cheng, CM Woo… - The Innovation, 2022 - cell.com
Optical techniques offer a wide variety of applications as light-matter interactions provide
extremely sensitive mechanisms to probe or treat target media. Most of these …

All-fiber high-speed image detection enabled by deep learning

Z Liu, L Wang, Y Meng, T He, S He, Y Yang… - Nature …, 2022 - nature.com
Ultra-high-speed imaging serves as a foundation for modern science. While in biomedicine,
optical-fiber-based endoscopy is often required for in vivo applications, the combination of …

Backpropagation-free training of deep physical neural networks

A Momeni, B Rahmani, M Malléjac, P Del Hougne… - Science, 2023 - science.org
Recent successes in deep learning for vision and natural language processing are
attributed to larger models but come with energy consumption and scalability issues. Current …

Subcellular spatial resolution achieved for deep-brain imaging in vivo using a minimally invasive multimode fiber

SA Vasquez-Lopez, R Turcotte, V Koren… - Light: science & …, 2018 - nature.com
Achieving intravital optical imaging with diffraction-limited spatial resolution of deep-brain
structures represents an important step toward the goal of understanding the mammalian …

Harnessing disorder for photonic device applications

H Cao, Y Eliezer - Applied Physics Reviews, 2022 - pubs.aip.org
For photonic devices, structural disorder and light scattering have long been considered
annoying and detrimental features that were best avoided or minimized. This review shows …

Actor neural networks for the robust control of partially measured nonlinear systems showcased for image propagation through diffuse media

B Rahmani, D Loterie, E Kakkava, N Borhani… - Nature Machine …, 2020 - nature.com
The output of physical systems, such as the scrambled pattern formed by shining the spot of
a laser pointer through fog, is often easily accessible by direct measurements. However …