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Integrated Photonic Broadband Radio Access Units for Next Generation Optical Access Networks (IPHOBAC-NG)
Start date: Nov 1, 2013, End date: Oct 31, 2016 PROJECT  FINISHED 

IPHOBAC-NG addresses application-specific lasers, optical modulators and detectors to construct novel photonic millimeter-wave radios (PMWR) providing a) complementary broadband 1-10 Gb/s wireless access and b) 3 Gb/s mobile backhaul; both being seamlessly integrated in next generation optical access (NGOA) networks based upon a WDM-PON infrastructure. The proposed PMWR will employ novel radio access units (RAU) featuring direct optic-to-wireless and wireless-to-optic conversion. The consortium will realize these functions for enabling a seamless interfacing of the wireless domain with the optical network infrastructure. IPHOBAC-NG will achieve its challenging targets by developing the following application-specific integrated photonic components:a) Integrated coherent heterodyne 70/80 GHz photoreceivers (Pout>3 dBm, S>0.5 A/W) b) Low-linewidth (100 kHz) frequency-agile (>3 nm) wavelength tunable lasersc) High-frequency (70/80 GHz), high-efficient (>0.5 A/W), high-power (>+3 dBm) photodiodesd) High-frequency (70/80 GHz), high output power (>+17 dBm) amplifier The proposed components and RAU concept will allow seamless integration of the radio head-ends into WDM and even ultra-dense WDM PON access networks because it will exploit the following:a) coherent detection to enable high sensitivity, dense WDM, and direct wireless-to-optic conversion with practically no latencies b) electronic signal processing to be centralized in the OLT to mitigate for distortions due to cost optimized components and to allow for spectrally efficient modulation formats; avoiding DSPs in the RAU for energy-efficiency and cost reasonsc) photonic integrated circuits to bring the relatively complex optics into a cost position suitable for the access market. If successful, IPHOBAC-NG will reinforce European industrial leadership, competitiveness and market share especially in fields of photonic components, photonic integration, as well as in optical and wireless communications
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