Photonic (computational) memories: tunable nanophotonics for data storage and computing

C Lian, C Vagionas, T Alexoudi, N Pleros… - …, 2022 - degruyter.com
The exponential growth of information stored in data centers and computational power
required for various data-intensive applications, such as deep learning and AI, call for new …

16-bit (4× 4) optical random access memory (RAM) bank

C Pappas, T Moschos, T Alexoudi… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
During the past years, the limited access-times and memory bandwidth in electronic random-
access memory (RAM) has triggered a concerted research effort towards deploying optical …

Optical buffering for chip multiprocessors: a 16GHz optical cache memory architecture

P Maniotis, D Fitsios, GT Kanellos… - Journal of lightwave …, 2013 - ieeexplore.ieee.org
We demonstrate a 16GHz physical layer optical cache memory architecture for direct
mapping associativity, organized in four cache lines with every line being capable of storing …

WDM-enabled optical RAM at 5 Gb/s using a monolithic InP flip-flop chip

S Pitris, C Vagionas, T Tekin, R Broeke… - IEEE Photonics …, 2016 - ieeexplore.ieee.org
We experimentally demonstrate an all-optical static random access memory (RAM) cell
using a novel monolithic InP set-reset flip-flop (FF) chip and a single hybridly integrated …

Optical RAM row with 20 Gb/s optical word read/write

T Alexoudi, C Pappas, T Moschos… - Journal of Lightwave …, 2021 - opg.optica.org
During the past years, optical memories have emerged as the main way to enable fast
access times and increased memory bandwidth in synergy with optical interconnections …

Optical cache memory peripheral circuitry: Row and column address selectors for optical static RAM banks

T Alexoudi, S Papaioannou… - Journal of lightwave …, 2013 - ieeexplore.ieee.org
We demonstrate WDM-enabled all-passive optical row and column address selector
(RAS/CAS) circuits for use as optical static RAM (SRAM) bank peripherals in future optical …

Caching with light: A 16-bit capacity optical cache memory prototype

C Pappas, T Moschos, T Alexoudi… - IEEE Journal of …, 2023 - ieeexplore.ieee.org
The need of faster access-times and increased memory bandwidths has triggered a
concerted research effort towards deploying optical memory circuitry, targeting at the apex of …

XPM-and XGM-based optical RAM memories: Frequency and time domain theoretical analysis

C Vagionas, D Fitsios, K Vyrsokinos… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
We demonstrate a frequency and time domain analysis for optical random access memory
(RAM) cells that rely on semiconductor optical amplifier (SOA)-based switches but employ …

Recursive motion and structure estimation with complete error characterization

S Soatto, P Perona, R Frezza… - Proceedings of IEEE …, 1993 - ieeexplore.ieee.org
An algorithm that performs recursive estimation of ego-motion and ambient structure from a
stream of monocular perspective images of a number of feature points is presented. The …

Short-pulse controlled optical switch using external cavity based single mode Fabry-Pérot laser diode

B Nakarmi, TQ Hoai, YH Won, X Zhang - Optics express, 2014 - opg.optica.org
We propose and demonstrate a novel scheme for short pulse controlled all-optical switch
using external cavity based single mode Fabry-Pérot laser diode (SMFP-LD). The proposed …