Photonic generation of radio-frequency waveforms based on dual-parallel Mach–Zehnder modulator

W Li, WT Wang, NH Zhu - IEEE Photonics Journal, 2014 - ieeexplore.ieee.org
We report a photonic approach to generating radio-frequency (RF) waveforms based on a
dual-parallel Mach-Zehnder modulator (DPMZM) driven by a sinusoidal RF signal. One of …

Optical fiber distributed acoustic sensing based on the self-interference of Rayleigh backscattering

Y Shang, Y Yang, C Wang, X Liu, C Wang, G Peng - Measurement, 2016 - Elsevier
In order to detect the weak underwater acoustic signal, a Distributed Acoustic Sensing (DAS)
scheme based on the self-interference of Rayleigh backscattering is presented. Rayleigh …

Performance analysis of a photonic-assisted periodic triangular-shaped pulses generator

J Li, X Zhang, B Hraimel, T Ning… - Journal of lightwave …, 2012 - ieeexplore.ieee.org
We propose and analyze a photonic-assisted periodic triangular-shaped pulses generator,
in which a continuous wave (CW) laser is connected to a dual electrode Mach-Zehnder …

Triangular pulse generation using a dual-parallel Mach–Zehnder modulator driven by a single-frequency radio frequency signal

F Zhang, X Ge, S Pan - Optics Letters, 2013 - opg.optica.org
A simple scheme for the generation of full-duty-cycle triangular pulses is proposed and
experimentally demonstrated using a dual-parallel Mach–Zehnder modulator driven by a …

Photonic-assisted periodic triangular-shaped pulses generation with tunable repetition rate

J Li, T Ning, L Pei, W Jian, H You… - IEEE Photonics …, 2013 - ieeexplore.ieee.org
An optical triangular-shaped pulses generator with tunable repetition rate is proposed and
analyzed. Using optical carrier suppression modulation and active polarization control, the …

Photonic generation and transmission of frequency-doubled triangular and square waveforms based on two Mach–Zehnder modulators and a Sagnac loop

W Zhai, A Wen, D Shan - Journal of Lightwave Technology, 2019 - opg.optica.org
In this paper, a new photonic approach for frequency-doubled triangular and square
waveforms generation is proposed and experimentally demonstrated. The scheme is based …

Photonic generation of a parabolic-shaped microwave signal and dual-linear-chirp microwave waveform

R Kumar, SK Raghuwanshi - Applied Optics, 2020 - opg.optica.org
Based on an external modulation technique through a dual-polarized dual-parallel Mach–
Zehnder modulator, a photonic technique is proposed for the generation of a microwave …

Triangular microwave waveforms generation based on an optoelectronic oscillator

WY Wang, W Li, WH Sun, W Wang… - IEEE Photonics …, 2014 - ieeexplore.ieee.org
We demonstrate a novel scheme to generate full-duty-cycle triangular microwave waveforms
using an optoelectronic oscillator (OEO). The OEO produces high-quality local oscillator …

Generation of triangular waveforms based on a microwave photonic filter with negative coefficient

W Li, WT Wang, WH Sun, WY Wang, NH Zhu - Optics Express, 2014 - opg.optica.org
We report a novel approach to generating full-duty-cycle triangular waveforms based on a
microwave photonic filter (MPF) with negative coefficient. It is known that the Fourier series …

A novel scheme for high-quality 120 GHz optical millimeter-wave generation without optical filter

Z Zhu, S Zhao, Y Li, X Chen, X Li - Optics & Laser Technology, 2015 - Elsevier
A novel scheme to generate 120 GHz millimeter (mm)-wave from 10 GHz radio frequency
(RF) local oscillator (LO) with an integrated nested Mach–Zehnder modulator (MZM) is …