Fabio Bottoni

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We report enhanced 10 Gb/s operation of directly modulated bandwidth-limited reflective semiconductor optical amplifiers. By using a single suitable arrayed waveguide grating we achieve simultaneously WDM demultiplexing and optical equalization. Compared to previous approaches, the proposed system results significantly more tolerant to seeding wavelength(More)
We experimentally show that, using simplified coherent detection and directly modulated DFB lasers, a 40 Gb/s (4×10 Gbit/s) WDM-PON system can be realized, providing a very high power budget (55 dB) and 110 km reach. This enhances currently considered NG-PON2 solutions, both in terms of reach and acceptable loss.
This paper presents the implementations and test results of the novel polarization-independent receiver for ASK format, realized in the framework of COCONUT FP7 Project. COCONUT exploits low-cost optical components and simple electronics, so that the cost of typical line terminals would be affordable to the end-users. Among the different technical(More)
COCONUT project demonstrated an innovative DWDM Passive Optical Network implementing the full λ-to-the-user concept in a filterless distribution fiber network. We make use of an innovative class of coherent transceivers that exploit the advantages of coherent detection in terms of sensitivity and channel selectivity in a cost efficient manner. The(More)
This paper presents the first experimental achievements of the COCONUT project which aims at demonstrating ultra-dense Wavelength Division Multiplexing Passive Optical Networks (udWDM-PON) by means of low-cost coherent solutions. COCONUT should exploit low-cost optical components and simple electronics so that the cost of typical line terminals would be(More)
In this paper Reflective Semiconductor Optical Amplifier (RSOA) based Wavelength Division Multiplexing-Passive Optical Network (WDM-PON) architecture is enhanced to carry radio frequency (RF) signals using an optical offset filtering technique in order to overcome the RF bandwidth limitation of the architecture. Intensity modulation induced chirp of a(More)
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