All-optical wavelength reuse with simultaneous upstream data and PPS timing signal transfer for flexible optical access networks
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2019.1615565
Abstract: All-optical wavelength reuse is a viable approach for realization of low cost colourless ONUs. We experimentally demonstrate a novel all-optical wavelength reuse technique with simultaneous upstream data and pulse-per-second signal transfer, exploiting EDFA gain saturation… read more here.
Keywords: optical wavelength; wavelength reuse; pps; transfer ... See more keywords
Effects of all-optical wavelength conversion on signal quality under variable-channel spacing in elastic optical networks
Sign Up to like & getrecommendations! Published in 2020 at "Optical Engineering"
DOI: 10.1117/1.oe.59.6.066104
Abstract: Abstract. All-optical wavelength converters (AOWCs) based on parametric amplification in highly nonlinear fibers are investigated and evaluated, aiming at application flex-grid optical networks. A multichannel transmission system with a multilevel modulation format at 56-Gb  /  s bit… read more here.
Keywords: optical wavelength; signal quality; optical networks; channel spacing ... See more keywords
Four-channel all-optical wavelength conversion unit based on nonlinear effect of three-section monolithically integrated semiconductor lasers.
Sign Up to like & getrecommendations! Published in 2023 at "Applied optics"
DOI: 10.1364/ao.478447
Abstract: A simple and highly efficient four-channel all-optical wavelength conversion based on four-wave mixing effect of the directly modulated three-section monolithically integrated semiconductor laser is proposed and experimentally investigated. For this wavelength conversion unit, the spacing… read more here.
Keywords: channel optical; optical wavelength; three section; conversion ... See more keywords
Graphene-enhanced polarization-insensitive all-optical wavelength conversion based on four-wave mixing.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.452853
Abstract: All-optical wavelength conversion technology based on four-wave mixing (FWM) effect is a promising development need of the modern high-speed optical signal processing system. In this work, we report on the polarization insensitive four-wave mixing based… read more here.
Keywords: four wave; optical wavelength; wavelength conversion; polarization ... See more keywords
All-optical wavelength conversion of a 92-Gb/s 16-QAM signal within the C-band in a single thin-film PPLN waveguide.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.465382
Abstract: Tunable all-optical wavelength conversion (AOWC) within 151 nm bandwidth is demonstrated in a thin-film periodically poled lithium niobate (PPLN) waveguide, which utilizes the cascaded second-harmonic generation and difference-frequency generation (cSHG/DFG) process. Also, in the same… read more here.
Keywords: ppln waveguide; optical wavelength; signal; qam signal ... See more keywords
Design and Parametric Analysis of a Wide-Angle and Polarization Insensitive Ultra-Broadband Metamaterial Absorber for Visible Optical Wavelength Applications
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12234253
Abstract: Researchers are trying to work out how to make a broadband response metamaterial absorber (MMA). Electromagnetic (EM) waves that can pass through the atmosphere and reach the ground are most commonly used in the visible… read more here.
Keywords: visible optical; metamaterial absorber; optical wavelength; angle ... See more keywords