Optical computing: Status and perspectives

NL Kazanskiy, MA Butt, SN Khonina - Nanomaterials, 2022 - mdpi.com
For many years, optics has been employed in computing, although the major focus has been
and remains to be on connecting parts of computers, for communications, or more …

On-chip tunable second-order differential-equation solver based on a silicon photonic mode-split microresonator

J Wu, B Liu, J Peng, J Mao, X Jiang, C Qiu… - Journal of Lightwave …, 2015 - opg.optica.org
We propose and experimentally demonstrate an on-chip all-optical differential-equation
solver capable of solving second-order ordinary differential equations (ODEs) characterizing …

Parallel integro-differential equation solving via multi-channel reciprocal bianisotropic metasurface augmented by normal susceptibilities

A Abdolali, A Momeni, H Rajabalipanah… - New Journal of …, 2019 - iopscience.iop.org
Analog optical signal processing has dramatically transcended the speed and energy
limitations accompanied with its digital microelectronic counterparts. Motivated by recent …

All-optical computation system for solving differential equations based on optical intensity differentiator

S Tan, Z Wu, L Lei, S Hu, J Dong, X Zhang - Optics express, 2013 - opg.optica.org
We propose and experimentally demonstrate an all-optical differentiator-based computation
system used for solving constant-coefficient first-order linear ordinary differential equations …

Loop-Terminated Mach–Zehnder Interferometer Integrated with Functional Polymer for CO2 Gas Sensing

MA Butt - Applied Sciences, 2024 - mdpi.com
In this work, a numerical study on the loop-terminated Mach–Zehnder interferometer (LT-
MZI) structure for CO2 gas sensing applications is carried out via the finite element method …

Solving constant-coefficient differential equations with dielectric metamaterials

W Zhang, C Qu, X Zhang - Journal of Optics, 2016 - iopscience.iop.org
Recently, the concept of metamaterial analog computing has been proposed (Silva et al
2014 Science 343 160–3). Some mathematical operations such as spatial differentiation …

High-order all-optical differential equation solver based on microring resonators

S Tan, L Xiang, J Zou, Q Zhang, Z Wu, Y Yu, J Dong… - Optics letters, 2013 - opg.optica.org
We propose and experimentally demonstrate a feasible integrated scheme to solve all-
optical differential equations using microring resonators (MRRs) that is capable of solving …

Generalized gradient flow decoding and its tensor-computability

T Wadayama, L Wei - 2024 IEEE International Symposium on …, 2024 - ieeexplore.ieee.org
This paper introduces an extension of Gradient Flow (GF) decoding for LDPC codes. GF
decoding, a continuous-time methodology based on gradient flow, employs a potential …

All-optical 1st-and 2nd-order differential equation solvers with large tuning ranges using Fabry-Pérot semiconductor optical amplifiers

K Chen, J Hou, Z Huang, T Cao, J Zhang, Y Yu… - Optics …, 2015 - opg.optica.org
We experimentally demonstrate an all-optical temporal computation scheme for solving 1st-
and 2nd-order linear ordinary differential equations (ODEs) with tunable constant …

Ordinary differential equation-based sparse signal recovery

T Wadayama, A Nakai-Kasai - 2022 International Symposium …, 2022 - ieeexplore.ieee.org
In this paper, continuous-time dynamical systems solving sparse signal recovery problems
are presented. The proposed dynamical system is expressed by a nonlinear ODE (ordinary …