M-QAM transmission over hybrid microwave photonic links at the K-band

DN Nguyen, J Bohata, J Spacil, D Dousek… - Optics express, 2019 - opg.optica.org
Two experimental configurations of a hybrid K-band (25 GHz) microwave photonic link
(MPL) are investigated for seamless broadband wireless access networks. Experimental …

Channelized photonic-assisted deramp receiver with an extended detection distance along the range direction for LFM-CW radars

J Yang, R Li, Z Mo, J Dong, W Li - Optics Express, 2020 - opg.optica.org
A novel photonic-assisted deramp receiver extends detection distance along range direction
of linearly-frequency-modulated continuous wave (LFM-CW) radars is proposed. A dual …

Photonic downconversion of RF signals with improved conversion efficiency and SFDR

L Huang, R Li, D Chen, P Xiang, P Wang… - IEEE Photonics …, 2016 - ieeexplore.ieee.org
A photonic microwave downconverter with improved conversion efficiency and spurious-free
dynamic range (SFDR) is proposed and experimentally demonstrated based on a dual …

A WDM-PON compatible wavelength-reused bidirectional in-band full-duplex radio-over-fiber system

W Bai, X Zou, P Li, W Pan, L Yan, B Luo, X Lu - Optics Communications, 2020 - Elsevier
A bidirectional in-band full-duplex radio-over-fiber system for the WDM-PON architecture is
proposed and experimentally demonstrated. To deploy a simplified and low-cost optical …

A novel spectral-efficient coherent radio-over-fiber link with linear digital-phase demodulation

H Zhang, A Wen, W Zhang, W Zhang… - IEEE Photonics …, 2019 - ieeexplore.ieee.org
In this paper, a novel spectral-efficient coherent radio-over-fiber (RoF) link with linear digital
phase demodulation is proposed and experimentally demonstrated. At the transmitter, to …

Comparative analysis of microwave photonic links based on different modulators using polarizers

S Singh, SK Arya, S Singla - Photonic Network Communications, 2021 - Springer
This paper provides an overview of linearization of two different microwave photonic links
based on phase modulator and dual-electrode Mach–Zehnder modulator. It takes into …

Noise analysis for coherent phase-modulated RF fiber-optic link

J Rodriguez, Y Li - Journal of Lightwave Technology, 2021 - opg.optica.org
The advantages of optical fiber as a transmission medium for microwave signals have led to
an increasing interest in the implementation of RF/photonic links in radar frontends. Such …

Advanced VCSEL photonics: Multi-level PAM for spectral efficient 5G wireless transport network

GM Isoe, RS Karembera, TB Gibbon - Optics Communications, 2020 - Elsevier
Transitions to 5G are accompanied by rapid increase in data traffics, creating exciting
opportunities for competitive edges in 5G spectral efficiency (SE) solutions. We present the …

Simultaneous frequency up/down converting interface based on a single hardware incorporating two phase-correlated photonic mixers

H Zeng, R Li, W Li - Optics Express, 2022 - opg.optica.org
A novel photonic frequency up/down-converting interface (FCI) with the capability of up-
converting an intermediate frequency (IF) signal to a radio frequency (RF) signal and …

Multi-octave linearized RF/photonic link based on orthogonal modulation and optimized demodulation

Y Gao, Z Wu, J Chen, T Zhang, J Dai, K Xu - Optics letters, 2021 - opg.optica.org
In this Letter, we propose and demonstrate a multi-octave linearized analog radio-frequency
(RF)/photonic link with orthogonal modulation and optimized demodulation. In our proposed …