collaborators

5 papers

physics.optics2025

A Segmented Heater-Driven, Low-Loss, Reconfigurable Photonic Phase-Change Material-Based Phase Shifter

Ranjeet Dwivedi, Agraj Yadav, Regis Orobtchouk +4

Phase-change material (PCM)-based non-volatile multilevel phase shifters are key components in photonic integrated circuits. Electrically, multiple phase levels can be encoded by c…

physics.optics2025

Braided interferometer mesh for robust photonic matrix-vector multiplications with non-ideal components

Federico Marchesin, Matěj Hejda, Tzamn Melendez Carmona +5

Matrix-vector multiplications (MVMs) are essential for a wide range of applications, particularly in modern machine learning and quantum computing. In photonics, there is growing i…

cs.ET2025

Roadmap on Neuromorphic Photonics

Daniel Brunner, Bhavin J. Shastri, Mohammed A. Al Qadasi +147

This roadmap consolidates recent advances while exploring emerging applications, reflecting the remarkable diversity of hardware platforms, neuromorphic concepts, and implementatio…

cs.CR2025

Complexity Assessment of Analog and Digital Security Primitives Signals Using the Disentropy of Autocorrelation

Paul Jimenez, Raphael Cardoso, Maurìcio Gomes de Queiroz +4

The study of regularity in signals can be of great importance, typically in medicine to analyse electrocardiogram (ECG) or electromyography (EMG) signals, but also in climate studi…

physics.optics2024

An Ultra-low-loss Compact Phase-Change Material-based Hybrid-mode Interferometer for Photonic Memories

Ranjeet Dwivedi, Fabio Pavanello, Regis Orobtchouk

We propose a novel hybrid mode interferometer (HMI) leveraging the interference of hybridized TE-TM modes in a silicon-on-insulator (SOI) waveguide integrated with a GeSe phase cha…