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Physics-compliant diagonal representation of beyond-diagonal RIS
Consequently, we recognize that a BD-RIS-parametrized radio environment can be understood as a multi-port cascade network (i. e., the cascade of radio environment with load circuit) terminated by individually tunable loads (independent of each other).
Experimentally realized physical-model-based wave control in metasurface-programmable complex media
Strikingly, when only phaseless calibration data is available, our model can nonetheless retrieve the precise phase relations of the scattering matrix as well as their dependencies on the metasurface configuration.
Backpropagation-free Training of Deep Physical Neural Networks
Recent years have witnessed the outstanding success of deep learning in various fields such as vision and natural language processing.
Noise-Adaptive Intelligent Programmable Meta-Imager
We present an intelligent programmable computational meta-imager that tailors its sequence of coherent scene illuminations not only to a specific information-extraction task (e. g., object recognition) but also adapts to different types and levels of noise.
Deeply Sub-Wavelength Localization with Reverberation-Coded-Aperture
We demonstrate our finding in the microwave domain: harnessing the configurational DoF of a simple programmable metasurface, we localize a sub-wavelength object inside a chaotic cavity with a resolution of $\lambda/76$ using intensity-only single-frequency single-pixel measurements.
Applied Physics Signal Processing
