Wireless and optical convergent access technologies toward 6G

HRD Filgueiras, ES Lima, MSB Cunha… - IEEE …, 2023 - ieeexplore.ieee.org
The sixth generation of mobile communication (6G) systems is recently rising a lot of interest,
introducing new futuristic and challenging use cases that will demand much more than just …

Flat optical frequency comb generator based on integrated lithium niobate modulators

M Xu, M He, Y Zhu, S Yu, X Cai - Journal of Lightwave Technology, 2022 - opg.optica.org
Chip-scale electro-optic (EO) frequency combs are expected to play an essential role in
future high-capacity optical communications systems and next-generation mobile …

Integrated optical frequency comb for 5G NR Xhauls

ES Lima, RM Borges, N Andriolli, E Conforti… - Scientific Reports, 2022 - nature.com
We experimentally demonstrate the use of optical frequency combs (OFCs), generated by a
photonic integrated circuit (PIC), in a flexible optical distribution network based on fiber …

Broadband optical heterodyne millimeter-wave-over-fiber wireless links based on a quantum dash dual-wavelength DFB laser

K Zeb, Z Lu, J Liu, Y Mao, G Liu… - Journal of Lightwave …, 2022 - ieeexplore.ieee.org
We demonstrate real-time broadband multi-Gb/s electrical RF synthesizer-free millimeter-
wave (MMW) signals generation and wireless transmission at the 5G new radio (NR) …

W-band optoelectronic oscillator

GKM Hasanuzzaman, S Iezekiel… - IEEE Photonics …, 2020 - ieeexplore.ieee.org
We demonstrate the first W-band optoelectronic oscillator (OEO), that oscillates at 94.5 GHz
with a measured single side band (SSB) phase noise of-101 dBc/Hz at an offset frequency of …

InAs/InP quantum dash buried heterostructure mode-locked laser for high capacity fiber-wireless integrated 5G new radio fronthaul systems

K Zeb, Z Lu, J Liu, Y Mao, G Liu, PJ Poole, M Rahim… - Optics …, 2021 - opg.optica.org
We have developed and experimentally demonstrated a highly coherent and low noise InP-
based InAs quantum dash (QDash) buried heterostructure (BH) C-band passively mode …

Tunable THz signal generation and radio-over-fiber link based on an optoelectronic oscillator-driven optical frequency comb

GKM Hasanuzzaman, H Shams… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
We propose and demonstrate experimentally a photonic THz signal generation technique
based on a tunable optoelectronic oscillator (OEO), and its application in a radio over fiber …

Composite spiral zone plate

S Cheng, T Xia, M Liu, C Zheng, H Zang… - IEEE Photonics …, 2018 - ieeexplore.ieee.org
A new kind of optical element, ie, composite spiral zone plate (CSZP), is proposed to
generate a twin-vortex beam along the optic axis in this paper. The axial diffraction property …

A novel method to generate and transmit 40-tupling frequency millimeter wave over fiber based on remodulation of MZMs

X Chen, Z Li, W Ba, S Dai, J Liang, H Xiao - Heliyon, 2023 - cell.com
An novel method to generate 40-tupling frequency millimeter (MMW) based on the
remodulation of MZMs and a novel radio over fiber (ROF) system to transmit the generated …

Ultra-wideband wireless channel and environment characterization assisted by dual optical frequency comb

C Yu, J Zhang, Y Li, X Zhao… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
In this work, a photonic technique based on dual optical frequency comb is proposed to
perform ultra-wideband channel sounding that delivers high-resolution channel …