Information metamaterials: bridging the physical world and digital world

Q Ma, TJ Cui - PhotoniX, 2020 - Springer
Over the past 5 years, digital coding and programmable metamaterials have been
developed rapidly since their first exhibition in 2014. The iconic feature of the digital coding …

Computational imaging

JN Mait, GW Euliss, RA Athale - Advances in Optics and Photonics, 2018 - opg.optica.org
We review advances in Computational Imaging that have occurred since the mid-1990s. The
advent of highly integrated platforms, such as the smartphone, has made the linkage …

Machine-learning reprogrammable metasurface imager

L Li, H Ruan, C Liu, Y Li, Y Shuang, A Alù… - Nature …, 2019 - nature.com
Conventional microwave imagers usually require either time-consuming data acquisition, or
complicated reconstruction algorithms for data post-processing, making them largely …

Coded aperture compressive temporal imaging

P Llull, X Liao, X Yuan, J Yang, D Kittle, L Carin… - Optics express, 2013 - opg.optica.org
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Intelligent meta-imagers: From compressed to learned sensing

C Saigre-Tardif, R Faqiri, H Zhao, L Li… - Applied Physics …, 2022 - pubs.aip.org
Computational meta-imagers synergize metamaterial hardware with advanced signal
processing approaches such as compressed sensing. Recent advances in artificial …

Learned integrated sensing pipeline: reconfigurable metasurface transceivers as trainable physical layer in an artificial neural network

P Del Hougne, MF Imani, AV Diebold… - Advanced …, 2020 - Wiley Online Library
The rapid proliferation of intelligent systems (eg, fully autonomous vehicles) in today's
society relies on sensors with low latency and computational effort. Yet current sensing …

Compressive holography

DJ Brady, K Choi, DL Marks, R Horisaki, S Lim - Optics express, 2009 - opg.optica.org
Compressive sampling enables signal reconstruction using less than one measurement per
reconstructed signal value. Compressive measurement is particularly useful in generating …

[HTML][HTML] Dynamic metamaterial aperture for microwave imaging

T Sleasman, MF Imani, JN Gollub, DR Smith - Applied Physics Letters, 2015 - pubs.aip.org
We present a dynamic metamaterial aperture for use in computational imaging schemes at
microwave frequencies. The aperture consists of an array of complementary, resonant …

Design considerations for a dynamic metamaterial aperture for computational imaging at microwave frequencies

T Sleasman, M Boyarsky, MF Imani, JN Gollub… - JOSA B, 2016 - opg.optica.org
We investigate the imaging capabilities of a one-dimensional, dynamic, metamaterial
aperture that operates at the lower part of K-band microwave frequencies (17.5–21.1 GHz) …

Implementation and characterization of a two-dimensional printed circuit dynamic metasurface aperture for computational microwave imaging

TA Sleasman, MF Imani, AV Diebold… - … on Antennas and …, 2020 - ieeexplore.ieee.org
We present the design, fabrication, and experimental characterization of a 2-D, dynamically
tuned, metasurface aperture, emphasizing its potential performance in computational …