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In the framework of the EU-funded research project “FABULOUS” we experimentally demonstrate an innovative FDMA-PON architecture whose upstream transmission is based on a reflective Mach-Zehnder modulator, reaching an overall upstream capacity of 32 Gbps per wavelength over 31 dB ODN loss in several previously published experiments targeting 1 Gbps per user and using 16-QAM as a modulation format....
In this paper, we review our recent work in the area of 60 GHz radio-over-fiber fronthaul links. We compared the different transport schemes incorporating modified double-sideband suppressed carrier (DSB-SC) and optical single sideband with carrier (OSSB) modulation formats to cater for the transport of 60 GHz wireless signals. Our results show that OSSB links exhibits better receiver sensitivity...
A carrier-suppressed reflective coherent passive optical network (CS-R-CO-PON) for mitigating optical interference is presented. Using an external modulator, the optical carrier of the upstream signal was suppressed and unwanted optical interferences, including the carrier-induced optical beat interference and Rayleigh backscattering, were effectively mitigated. Through experimental verification,...
In this paper, we investigate the optical modulation characteristics of a resonant tunnelling diode (RTD) oscillator. This preliminary work on the first RTD-PD oscillators with an optical window available from the iBROW project demonstrate that this device can effectively be used to accomplish amplitude and frequency modulation with light injection.
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