Characterization of an optically enhanced conventional 10 GHz receiver for RZ systems over 100 GHz

M. Scaffardi; F. Fresi; P. Ghelfi; M. Secondini; A. Bogoni; L. Poti

doi:10.1117/12.721824

12 June 2007 Characterization of an optically enhanced conventional 10 GHz receiver for RZ systems over 100 GHz

M. Scaffardi, F. Fresi, P. Ghelfi, M. Secondini, A. Bogoni, L. Poti

Proceedings Volume 6593, Photonic Materials, Devices, and Applications II; 65931Z (2007) https://doi.org/10.1117/12.721824
Event: Microtechnologies for the New Millennium, 2007, Maspalomas, Gran Canaria, Spain

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.

Citation Download Citation

M. Scaffardi, F. Fresi, P. Ghelfi, M. Secondini, A. Bogoni, and L. Poti "Characterization of an optically enhanced conventional 10 GHz receiver for RZ systems over 100 GHz", Proc. SPIE 6593, Photonic Materials, Devices, and Applications II, 65931Z (12 June 2007); https://doi.org/10.1117/12.721824

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