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Optical Engineering

Generation of an amplitude modulated optical wave up to 275 GHz by lasers waves mixing for optical components bandwidth measurement
Author(s): Pascal Dherbecourt; Olivier Latry; Eric Joubert; Mohamed Ketata
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Paper Abstract

This paper presents a method to achieve an amplitude-modulated optical wave in the range of telecommunication frequencies for optical components bandwidth tests. The principle is based on the optical heterodyning of two free distributed feedback lasers. The frequency tunabil- ity of the modulated wave reaches 275 GHz with high stability. These characteristics constitute the originality of our work. Our laboratory has developed an experimental fusion setup that enables the realization of numerous optical fiber components. Component bandwidth measurement enables their validation for high-rate data transmissions. We present in this paper results obtained for a 57-GHz beat signal in a fast photodiode and we describe bandwidth optical components tests in the 0 to 40 GHz range.

Paper Details

Date Published: 1 July 2002
PDF: 2 pages
Opt. Eng. 41(7) doi: 10.1117/1.1485998
Published in: Optical Engineering Volume 41, Issue 7
Show Author Affiliations
Pascal Dherbecourt, Univ. de Rouen (France)
Olivier Latry, Univ. de Rouen (France)
Eric Joubert, Univ. de Rouen (France)
Mohamed Ketata, Univ. de Rouen (France)

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