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Proceedings Paper

Characterization of an optically enhanced conventional 10 GHz receiver for RZ systems over 100 GHz
Author(s): M. Scaffardi; F. Fresi; P. Ghelfi; M. Secondini; A. Bogoni; L. Poti
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Paper Abstract

We investigate, both theoretically and experimentally, how the use of an all-Optical Decision Element (ODE) in front of a conventional receiver improves, in Return-to-Zero (RZ) systems, the receiver performance when the signal bandwidth exceeds the bandwidth of the available opto-electronic components. A theoretical analysis of the ODE behavior shows the field of applicability of the investigated solution. The experimental evaluation of the performance improvement in an RZ system is realized using an ODE based on two cascaded Nonlinear Optical Loop Mirrors. Benefits in terms of Bit Error Rate for different signal bandwidths and for different received Optical Signal-to-Noise Ratio (OSNR) are presented. Substantial agreement of the experimental results with the theoretical analysis is obtained. The impact of the ODE in the presence of relevant thermal noise at the receiver is also considered. The ODE can extend the use of common band-limited receivers to wide-bandwidth signals, and can be an alternative solution to the development of wide-band receivers.

Paper Details

Date Published: 12 June 2007
PDF: 8 pages
Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 65931Z (12 June 2007); doi: 10.1117/12.721824
Show Author Affiliations
M. Scaffardi, Scuola Superiore Sant' Anna, CEIRC (Italy)
F. Fresi, Scuola Superiore Sant' Anna, CEIRC (Italy)
P. Ghelfi, CNIT, Lab. Nazionale di Reti Fotoniche (Italy)
M. Secondini, Scuola Superiore Sant' Anna, CEIRC (Italy)
A. Bogoni, CNIT, Lab. Nazionale di Reti Fotoniche (Italy)
L. Poti, CNIT, Lab. Nazionale di Reti Fotoniche (Italy)

Published in SPIE Proceedings Vol. 6593:
Photonic Materials, Devices, and Applications II
Ali Serpengüzel; Gonçal Badenes; Giancarlo C. Righini, Editor(s)

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