Archivio Istituzionale della RicercaWe study the limiting-amplification capability of a saturated Semiconductor Optical Amplifier (SOA) followed by an optical band-pass filter. We experimentally demonstrate that this simple optical circuit can be effectively exploited to realize a low-power optical limiter for amplitude-modulated pulse trains at multi-GHz repetition rate. We report very large amplitude-modulation-reduction factors for the case of 20 and 40 GHz pulse trains that are super-imposed with modulating frequencies ranging from 100kHz to several GHz. (C) 2007 Optical Society of America.
A simple and low-power optical limiter for multi-GHz pulse trains / Contestabile, G; Presi, M; Proietti, R; Calabretta, N; Ciaramella, E. - In: OPTICS EXPRESS. - ISSN 1094-4087. - ELETTRONICO. - 15:15(2007), pp. 9849-9858. [10.1364/OE.15.009849]
A simple and low-power optical limiter for multi-GHz pulse trains
Proietti R;
2007
Abstract
We study the limiting-amplification capability of a saturated Semiconductor Optical Amplifier (SOA) followed by an optical band-pass filter. We experimentally demonstrate that this simple optical circuit can be effectively exploited to realize a low-power optical limiter for amplitude-modulated pulse trains at multi-GHz repetition rate. We report very large amplitude-modulation-reduction factors for the case of 20 and 40 GHz pulse trains that are super-imposed with modulating frequencies ranging from 100kHz to several GHz. (C) 2007 Optical Society of America.
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https://hdl.handle.net/11583/2972181