In the past few years, analog computing has experienced rapid development but mostly for a
single function. Motivated by parallel space-time computing and miniaturization, we show …

We consider a spatiotemporal differentiator of the first order based on a three-layer metal-
dielectric-metal (MDM) structure. We show theoretically and numerically that, in contrast to …

Under the trends of multifunctionality, tunability, and compactness in modern wave-based
signal processors, in this paper, we propose a polarization-multiplexed graphene-based …

This paper presents the design and comprehensive analysis of an ultra-fast fractional-order
temporal differentiator (DIFF) based on a plasmonic inner-wall Bragg grating microring …

This paper presents systematic design and analysis of a compact ultra-low loss graphene-
based multilayer hybrid plasmonic waveguide (GMLHPW). The simulation results indicate …

We investigate the possibility of the optical computation of the Laplace operator in the
oblique incidence geometry using a layered structure consisting of a set of homogeneous …

This paper proposes a novel microring resonator (MRR)-based all-optical tuning temporal
differentiator (DIFF). Specifically, the DIFF uses nonvolatile phase-change material …

We theoretically describe and numerically investigate the operation of “vectorial” optical
differentiation of a three-dimensional light beam, which consists in simultaneous …

This paper presents the design and analysis of an ultra-compact temporal differentiator
(DIFF) based on a graphene hybrid plasmonic all-pass microring resonator (GHP-APMRR) …

We propose and demonstrate a tunable fractional-order photonic differentiator (DIFF) that
can process input pulses with a sub-gigahertz bandwidth. Our scheme utilizes the self …