Inverse design of functional photonic patches by adjoint optimization coupled to the generalized Mie theory

Y Zhu, Y Chen, S Gorsky, T Shubitidze, L Dal Negro - JOSA B, 2023 - opg.optica.org
We propose a rigorous approach for the inverse design of functional photonic structures by
coupling the adjoint optimization method and the 2D generalized Mie theory (2D-GMT) for …

High-throughput speckle spectrometers based on multifractal scattering media

B Kumar, Y Zhu, L Dal Negro, SA Schulz - Optical Materials Express, 2024 - opg.optica.org
We present compact integrated speckle spectrometers based on monofractal and
multifractal scattering media in a silicon-on-insulator platform. Through both numerical and …

Localization landscape of optical waves in multifractal photonic membranes

T Shubitidze, Y Zhu, H Sundar… - Optical Materials …, 2024 - opg.optica.org
In this paper, we investigate the localization properties of optical waves in disordered
systems with multifractal scattering potentials. In particular, we apply the localization …

Enhanced wave localization in multifractal scattering media

Y Chen, F Sgrignuoli, Y Zhu, T Shubitidze, L Dal Negro - Physical Review B, 2023 - APS
In this paper, we study the structural, scattering, and wave localization properties of
multifractal arrays of electric point dipoles generated from multiplicative random fields with …

Structural entropy and spatial decay of quasimodes in Vogel spirals

M Prado, F Sgrignuoli, Y Chen, L Dal Negro… - Physical Review B, 2021 - APS
We investigate the spatial decay and temporal localization properties of quasimodes (ie,
scattering resonances) of two-dimensional Vogel spirals, composed of deterministic …

Wave localization in number-theoretic landscapes

L Dal Negro, Y Zhu, Y Chen, M Prado, FA Pinheiro - Physical Review B, 2022 - APS
We investigate the localization of waves in aperiodic structures that manifest the
characteristic multiscale complexity of arithmetic functions with a central role in number …

Entangled two-plasmon generation in carbon nanotubes and graphene-coated wires

Y Muniz, PP Abrantes, L Martin-Moreno, FA Pinheiro… - Physical Review B, 2022 - APS
We investigate the two-plasmon spontaneous decay of a quantum emitter near single-
walled carbon nanotubes (SWCNTs) and graphene-coated wires (GCWs). We demonstrate …

Wave transport and localization in prime number landscapes

L Dal Negro, DT Henderson, F Sgrignuoli - Frontiers in Physics, 2021 - frontiersin.org
In this paper, we study the wave transport and localization properties of novel aperiodic
structures that manifest the intrinsic complexity of prime number distributions in imaginary …

Wave localization in number-theoretic landscapes

LD Negro, Y Zhu, Y Chen, M Prado… - arXiv preprint arXiv …, 2022 - arxiv.org
We investigate the localization of waves in aperiodic structures that manifest the
characteristic multiscale complexity of certain arithmetic functions with a central role in …

Design and characterization of advanced diffractive devices for imaging and spectroscopy

Y Zhu - 2024 - search.proquest.com
Due to the ever-increasing demands of highly integrated optical devices in imaging,
spectroscopy, communications, and so on, there is a compelling need to design and …