Results 11 to 20 of about 88 (83)
IEEE Access, 2021 Network reliability is very important for the next generation of optical networks. In this paper, a highly reliable protection mechanism, which integrates the approaches of optical protection and microwave protection, is proposed for metro-access optical
Zerui Song +5 more
doaj +1 more source
IEEE Photonics Journal, 2015 In this investigation, we propose and demonstrate a stable and wavelength-tunable self-injected reflective semiconductor optical amplifier (RSOA)-based laser by using the Faraday rotator mirror (FRM) and the fiber mirror (FM) serving as a reflected ...
Yu-Fu Wu +4 more
doaj +1 more source
Polarization-Discriminated RSOA–EAM for Colorless Transmitter in WDM–PON
Applied Sciences, 2020 The integrated reflective semiconductor optical amplifier (RSOA) and electro-absorption modulator (EAM) is viewed as an appealing solution to the colorless transmitter on the optical network unit (ONU) side of wavelength-division multiplexed (WDM ...
Chengliang Zuo, Xun Li
doaj +1 more source
MDM-TDM PON Utilizing Self-Coherent Detection-Based OLT and RSOA-Based ONU for High Power Budget
IEEE Photonics Journal, 2016 A cost-effective mode-division-multiplexing and time-division-multiplexing passive optical network (MDM-TDM PON) utilizing a self-coherent detection for upstream signal at optical line terminal (OLT) and a high-gain reflective semiconductor optical ...
Yuanxiang Chen +11 more
doaj +1 more source
A Reconfigurable High-Order UWB Signal Generation Scheme Using RSOA-MZI Structure
IEEE Photonics Journal, 2014 We propose and experimentally demonstrate a reflective semiconductor optical amplifier (RSOA)-based Mach-Zehnder interferometer structure for generating high-order ultrawideband (UWB) signals. First, low-order UWB signals are generated by controlling the
Hanlin Feng +7 more
doaj +1 more source
RSOA Intensity Modulator Frequency Chirp-Enhanced Optical OFDM PON Performance
IEEE Photonics Journal, 2015 A reflective semiconductor optical amplifier intensity modulator (RSOA-IM) frequency chirp considerably increases the system frequency response of an intensity-modulation and direct-detection (IMDD) PON system over the passband signal spectral region ...
B. Y. Cao +5 more
doaj +1 more source
Applied Sciences, 2017 We present a comparative study of the capacity increase brought by bit- and power-loading discrete multi-tone (DMT) modulation for low-cost colorless transmitters.
Simon Arega Gebrewold +4 more
doaj +1 more source
Applied Sciences, 2015 Reflective semiconductor optical amplifier fiber cavity lasers (RSOA-FCLs) are appealing, colorless, self-seeded, self-tuning and cost-efficient upstream transmitters. They are of interest for wavelength division multiplexed passive optical networks (WDM-
Simon A. Gebrewold +13 more
doaj +1 more source
IEEE Photonics Journal, 2015 Owing to the lack of strong physical mechanisms capable of elaborately balancing a large number of longitudinal modes created in a self-seeded passive optical network (PON), the resulting coherent-like optical signals are vulnerable to frequency ...
M. L. Deng +7 more
doaj +1 more source
25-GHz-Spaced DWDM-PON With Mitigated Rayleigh Backscattering and Back-Reflection Effects
IEEE Photonics Journal, 2013 A novel 25-GHz-spaced dense wavelength-division multiplexing passive optical network (DWDM-PON) is proposed to improve the utilization of wavelength resource and mitigate the Rayleigh backscattering (RB) and back-reflection effects.
Zhao Zhou +5 more
doaj +1 more source