Dual frequency comb assisted analog-to-digital conversion

C Deakin, Z Liu - Optics Letters, 2019 - opg.optica.org
Photonic analog to digital conversion offers promise to overcome the signal-to-noise ratio
and sample rate trade-off in conventional analog to digital converters (ADCs), critical for …

Phase noise of electro-optic dual frequency combs

C Deakin, Z Zhou, Z Liu - Optics Letters, 2021 - opg.optica.org
Dual frequency combs are emerging as new tools for spectroscopy and signal processing.
The relative phase noise of the tone pairs determines the performance (eg, signal-to-noise …

Noise and distortion analysis of dual frequency comb photonic RF channelizers

C Deakin, Z Liu - Optics Express, 2020 - opg.optica.org
Dual frequency combs are emerging as highly effective channelizers for radio frequency
(RF) signal processing, showing versatile capabilities in various applications including …

Moving point target detection based on higher order statistics in very low SNR

W Niu, W Zheng, Z Yang, Y Wu… - IEEE Geoscience and …, 2017 - ieeexplore.ieee.org
This letter presents an approach for the detection of moving point targets on high-frame-rate
image sequences with low spatial resolution and low SNR based on higher order statistical …

Optical comb assisted OFDM RF receiver

H Hu, V Ataie, E Myslivets… - Journal of Lightwave …, 2019 - ieeexplore.ieee.org
Orthogonal frequency-division multiplexing (OFDM) is a widely used signaling format in
wireless communication and ultrawide band radio-frequency (RF) applications. An OFDM …

Hybrid OFDM receiver assisted by a variable frequency comb

H Hu, S Radic - Optics Express, 2020 - opg.optica.org
A physically assisted orthogonal frequency division multiplexing (OFDM) receiver is
described and characterized. In contrast to recent reports that utilize two physically distinct …

Low-cost covert wireless communication assisted by optical frequency comb for deep denoising

F Fu, B Lu, X Yan, M Deng, L Zhu… - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
Covert wireless communication assisted by optical frequency comb (OFC) has already been
presented, but its denoise capacity is restricted by the OFC properties. A novel, low-cost …

Sub-Nyquist ultra-wideband sparse signal reception via variable frequency comb

H Hu, S Radic - Journal of Lightwave Technology, 2020 - ieeexplore.ieee.org
We demonstrate a new class of ultra-wideband (UWB) sparse radio frequency (RF) signal
receiver relying on direct sub-sampling in frequency domain and compressive sensing (CS) …

Covert Wireless Communication with Enhanced Denoising Capability through a Dense Optical Frequency Comb

J Zhang, X Liu, Y Bai, B Lu, P Guo… - … Conference (ACP) and …, 2024 - ieeexplore.ieee.org
We proposed a covert wireless communication system enhanced with dense optical
frequency comb (OFC) for denoising is proposed. Original data is spread with random …

Large SNR Enhanced Fast Non-repetitive Event Detection by an Improved Spectral Cloning Receiver

F Fu, B Lu, X Zhang, X Guo - 2022 IEEE 14th International …, 2022 - ieeexplore.ieee.org
An improved spectral cloning receiver assisted by coherent Optical Frequency Combs
(OFCs) to detect a fast, non-repetitive event hidden in noise is presented. In the proposed …