Microwave photonic radars

S Pan, Y Zhang - Journal of Lightwave technology, 2020 - opg.optica.org
As the only method for all-weather, all-time and long-distance target detection and
recognition, radar has been intensively studied since it was invented, and is considered as …

Subwavelength grating enabled on-chip ultra-compact optical true time delay line

J Wang, R Ashrafi, R Adams, I Glesk, I Gasulla… - Scientific reports, 2016 - nature.com
An optical true time delay line (OTTDL) is a basic photonic building block that enables many
microwave photonic and optical processing operations. The conventional design for an …

Multipoint two-dimensional curvature optical fiber sensor based on a nontwisted homogeneous four-core fiber

D Barrera, I Gasulla, S Sales - Journal of Lightwave Technology, 2015 - opg.optica.org
We have implemented a multipoint two-dimensional curvature optical fiber sensor based on
a nontwisted homogeneous four-core fiber. A theoretical approach to model the mechanical …

Spatial division multiplexed microwave signal processing by selective grating inscription in homogeneous multicore fibers

I Gasulla, D Barrera, J Hervás, S Sales - Scientific Reports, 2017 - nature.com
Abstract The use of Spatial Division Multiplexing for Microwave Photonics signal processing
is proposed and experimentally demonstrated, for the first time to our knowledge, based on …

Dispersion-diversity multicore fiber signal processing

S García, M Ureña, I Gasulla - ACS photonics, 2022 - ACS Publications
Beyond playing a primary role in high-capacity communication networks, multicore optical
fibers can bring many advantages to optical and microwave signal processing, as not only …

Opto-mechanical inter-core cross-talk in multi-core fibers

H Hagai Diamandi, Y London, A Zadok - Optica, 2017 - opg.optica.org
Optical fibers containing multiple cores are widely regarded as the leading solution to the
optical communications capacity crunch. The most prevalent paradigm for the design and …

Silicon photonics for microwave photonics applications

LR Chen - Journal of Lightwave Technology, 2017 - opg.optica.org
We provide an overview of recent work on develo** integrated microwave photonic
subsystems in silicon photonics for generating chirped microwave waveforms as well as for …

Thermal diffusion technique for in-fiber discrete waveguide manipulation and modification: A tutorial

L Meng, G Chen, D Wang… - Journal of Lightwave …, 2020 - ieeexplore.ieee.org
Thermal diffusion is the phenomenon of the migration of dopants in an optical fiber during
high-temperature treatment. Research on the theory and technique of optical fiber thermal …

On-chip optical true time delay lines based on subwavelength grating waveguides

Y Wang, H Sun, M Khalil, W Dong, I Gasulla… - Optics Letters, 2021 - opg.optica.org
An optical true time delay line (OTTDL) is a fundamental building block for signal processing
applications in microwave photonics and optical communications. Here, we experimentally …

Millimeter-wave radio-over-fiber network for linear cell systems

A Kanno, PT Dat, N Yamamoto… - Journal of lightwave …, 2017 - ieeexplore.ieee.org
We discuss and propose millimeter-wave linear cell systems for signal distribution on
railway radiocommunication systems between train and trackside, and a foreign object …