Photonics for microwave measurements

X Zou, B Lu, W Pan, L Yan, A Stöhr… - Laser & Photonics …, 2016 - Wiley Online Library
As an emerging topic, photonic‐assisted microwave measurements with distinct features
such as wide frequency coverage, large instantaneous bandwidth, low frequency …

VCSEL-based optical frequency combs expansion induced by polarized optical injection

A Quirce, C de Dios, A Valle… - IEEE Journal of Selected …, 2018 - ieeexplore.ieee.org
The present theoretical work studies optical frequency combs (OFCs) associated with both
linear polarizations of a gain switching vertical-cavity surface-emitting laser (VCSEL) subject …

Demonstration of speckle-based compressive sensing system for recovering RF signals

GA Sefler, TJ Shaw, GC Valley - Optics express, 2018 - opg.optica.org
We demonstrate measurement of RF signals in the 2-19 GHz band using a photonic
compressive sensing (CS) receiver. The RF is modulated onto chirped optical pulses that …

Photonics-assisted compressed sensing of radio frequencies with a rate-doubled bipolar random sequence

R Li, H Chi, B Yang, S Yang, T Jin - Optics Letters, 2023 - opg.optica.org
A novel, to the best of our knowledge, photonics-assisted scheme for compressed sensing
(CS) of sparse RF signals is proposed. An architecture with time-delayed dual-channel …

Polarization dynamics in VCSEL-based gain switching optical frequency combs

A Quirce, C de Dios, A Valle, L Pesquera… - Journal of Lightwave …, 2018 - opg.optica.org
In this paper, we report on the polarization dynamics of a 1550 nm vertical-cavity surface-
emitting laser (VCSEL) under gain switching regime. We focus our analysis on the resulting …

High-throughput photonic time-stretch optical coherence tomography with data compression

CK Mididoddi, F Bai, G Wang, J Liu… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
Photonic time stretch enables real-time high-throughput optical coherence tomography
(OCT), but with massive data volume being a real challenge. In this paper, data compression …

Random code shifting based ultra-wideband photonic compressive receiver with image-frequency distinction

Y Xu, S Li, Z Zhu, Y Xing, X Xue, X Zheng, B Zhou - Optics Express, 2023 - opg.optica.org
We propose an ultra-wideband photonic compressive receiver based on random codes
shifting with image-frequency distinction. By shifting the center frequencies of two random …

Comparison of optical frequency comb and sapphire loaded cavity microwave oscillators

JW Zobel, M Giunta, AJ Goers… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
The single-sideband phase noise power spectral density and Allan deviation of a portable
microwave oscillator system based on an optical frequency comb stabilized to an ultra-low …

An undersampling communication system based on compressive sensing and in-fiber grating

G Wang, D Xiao, LY Shao, F Zhao, J Hu… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
An undersampling free-space optical (FSO) communication system based on compressive
sensing (CS) and in-fiber grating is proposed. Our proposal drastically mitigates the data …

Expansion of VCSEL-based optical frequency combs in the sub-THz span: Comparison of non-linear techniques

E Prior, C de Dios, ÁR Criado, M Ortsiefer… - Journal of Lightwave …, 2016 - opg.optica.org
In this study, we detail our experimental study on the expansion of vertical-cavity surface-
emitting laser (VCSEL) optical frequency combs (OFCs) with different nonlinear techniques …