Asymmetric wavelength-selective directional couplers as fractional-order optical differentiators

TT Yan, WH Ren, YC Jiang - IEEE Access, 2019 - ieeexplore.ieee.org
… -order optical differentiator. It’s shown that the order of the optical differentiator is determined
by … The relation between the order of differentiator and the structure parameters of the DC is …

Design and comprehensive analysis of an ultra-fast fractional-order temporal differentiator based on a plasmonic Bragg grating microring resonator

A Ahmadpour, A Habibzadeh-Sharif… - Optics …, 2021 - opg.optica.org
… (DIFF) is one of the basic blocks for ultra-fast all-optical signal processing that provides α-th
order temporal differentiation of the complex envelope of an arbitrary input optical pulse [1–3]…

Terahertz-frequency temporal differentiator enabled by a high-Q resonator

J Xie, X Zhu, H Zhang, X Zang, L Chen, AV Balakin… - Optics express, 2020 - opg.optica.org
… This technology could provide a potential cost-effective solution for ultrafast pulse shaping,
waveform generation, advanced coding and pulse characterization in THz communications. …

Temporal differentiators based on highly-structured fibre Bragg gratings

D Gatti, TT Fernandez, S Longhi, P Laporta - Electronics letters, 2010 - IET
… communications, such as ultrafast pulse shaping, waveform generation, optical coding and
optical differentiators our highly-structured FBGs are suited to process optical waveforms with …

Generating and processing optical waveforms using spectral singularities

A Farhi, A Cerjan, AD Stone - Physical Review A, 2024 - APS
waveform (vt − z)ei(kz−ωt) to a standard plane wave; in fact, more generally, a CPA can be
used as a first-order envelope differentiator [… results relating to waveform generation by a laser …

Ultrafast all-optical temporal differentiation in integrated phase-shifted Bragg gratings

KA Rutkowska, D Duchesne, MJ Strain… - … -Polish Optical …, 2010 - spiedigitallibrary.org
… -optical temporal differentiator that combines the functionality of a CMOS-compatible,
integrated-optical … of a fully-integrated ultrafast all-optical differentiator. The remarkable processing-…

Design of all-optical integrators and differentiators using Fabry-Perot filters based on fiber Bragg gratings

VT Gopakumar, KN Madhusoodhanan - Photonic Network …, 2017 - Springer
optical differentiator together with the optical integrator forms the basic building block for all
optical … Here we propose an optical differentiator using passive narrowband filters based on …

[HTML][HTML] A Parabolic Waveform Generator Based on the Chirp Characteristics of a Directly Modulated Laser

N Chen, Y Jiang, X Lan, Y Zi, J Xu, J Li, Q Zhang… - Photonics, 2023 - mdpi.com
… scheme to generate parabola signals, but also a new method for arbitrary waveform
generation. … Therefore, parabolic waveform generation consequently has attracted considerable …

Optical temporal differentiator using a twin-core fiber

H You, T Ning, W Jian, L Pei, X Wen, J Li… - Optical …, 2013 - spiedigitallibrary.org
optical waveform. It is well known that the temporal operation of a first-order optical differentiator
… t ) and y ( t ) are the temporal optical waveforms (complex envelopes) at the input and at …

Operation bandwidth optimization of photonic differentiators

S Yan, Y Zhang, J Dong, A Zheng, S Liao, H Zhou… - Optics …, 2015 - opg.optica.org
differentiator scheme employing cascaded PCNs with different Q factors, which is likely to
expand the operation bandwidth range of photonic differentiatorwaveform generation [4] and …