Results 31 to 40 of about 3,478 (154)
On the design of low phase noise and flat spectrum optical parametric frequency comb
APL Photonics, 2023 Optical frequency combs (OFCs) have become increasingly pervasive in recent years, with their advantageous frequency coherence properties enabling significant developments in numerous fields, such as optical communications, spectroscopy, and microwave ...
Yijia Cai +4 more
doaj +1 more source
Simultaneous chromatic dispersion, polarization-mode-dispersion and OSNR monitoring at 40Gbit/s [PDF]
, 2008 A novel method for independent and simultaneous monitoring of chromatic dispersion ( CD), first-order PMD and OSNR in 40Gbit/s systems is proposed and demonstrated.
Baker-Meflah, L +3 more
core +1 more source
EVM and Achievable Data Rate Analysis of Clipped OFDM Signals in Visible Light Communication [PDF]
, 2012 Orthogonal frequency division multiplexing (OFDM) has been considered for visible light communication (VLC) thanks to its ability to boost data rates as well as its robustness against frequency-selective fading channels.
D O’Brien +30 more
core +2 more sources
ASE Noise in Raman Amplifiers: Pump Depletion Impact [PDF]
Radioengineering, 2018 This paper provides a detailed analysis for the effect of pump depletion on amplified spontaneous emission (ASE) noise power, optical signal to noise ratio (OSNR), and noise figure (NF) in forward pumped distributed Raman fiber amplifier (DRFA).
S. E. Darwish, A. S. Samra, M. H. Aly
doaj
Experimental demonstration of the maximum likelihood-based chromatic dispersion estimator for coherent receivers [PDF]
, 2014 We perform an experimental investigation of a maximum likelihood-based (ML-based) algorithm for bulk chromatic dispersion estimation for digital coherent receivers operating in uncompensated optical networks.
Antonio Caballero +16 more
core +1 more source
IEEE Photonics Journal, 2018 Brillouin optical spectrum analyzer (BOSA) based on stimulated Brillouin scattering (SBS) can provide ultra-high resolution, which in theory can greatly improve the optical signal-to-noise ratio (OSNR) measurement accuracy, especially for systems with ...
Yibo Zhong +7 more
doaj +1 more source
IEEE Access, 2020 A novel few-mode multi-core (FMMC) optical fiber transmission system based on probabilistic shaping (PS) with low complexity multiple-input multiple-output (MIMO) equalization method is proposed and demonstrated in this paper.
Songsong Qu +7 more
doaj +1 more source
IEEE Photonics Journal, 2022 We propose a simultaneous optical signal recognition (OSR) and optical signal-to-noise ratio (OSNR) monitoring method by using multi-task learning convolutional neural network (MTL-CNN) in conjunction with optical spectrums, which enables optical ...
Chenglong Yu +5 more
doaj +1 more source
A Joint OSNR and Nonlinear Distortions Estimation Method for Optical Fiber Transmission System
IEEE Photonics Journal, 2018 In this paper, we propose and demonstrate a joint optical signal-to-noise ratio (OSNR) and a nonlinear distortions estimation method. The OSNR is calculated by considering either the link parameters or the correlation operations of the training symbols ...
Yating Xiang +6 more
doaj +1 more source
Radio-frequency transparent demodulation for broadband hybrid wireless-optical links [PDF]
, 2010 A novel demodulation technique which is transparent to radio-frequency (RF) carrier frequency is presented and experimentally demonstrated for multigigabit wireless signals.
Alemany, Ruben +5 more
core +2 more sources