Demonstration of a frequency spectral compression effect through an up-conversion interferometer

This paper reports on the experimental implementation of an interferometer featuring sum frequency generation (SFG) processes powered by a pump spectral doublet. The aim of this configuration is to allow the use of the SFG process over an enlarged spectral domain. By analyzing the converted signal,...

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Bibliographic Details
Published in:Optics express 2013-02, Vol.21 (3), p.3073-3082
Main Authors: Gomes, Jean-Thomas, Grossard, Ludovic, Ceus, Damien, Vergnole, Sébastien, Delage, Laurent, Reynaud, François, Herrmann, Harald, Sohler, Wolfgang
Format: Article
Language:English
Subjects:
Equipment Design
Equipment Failure Analysis
Interferometry - instrumentation
Lasers
Lenses
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Summary:This paper reports on the experimental implementation of an interferometer featuring sum frequency generation (SFG) processes powered by a pump spectral doublet. The aim of this configuration is to allow the use of the SFG process over an enlarged spectral domain. By analyzing the converted signal, we experimentally demonstrate a frequency spectral compression effect from the infrared input signal to the visible one converted through the SFG process. Recently, such a compression effect has been numerically demonstrated by Wabnitz et al. We also verify experimentally that we fully retrieve the temporal coherence properties of the infrared input signal in the visible field. The experimental setup permits to demonstrate an experimental frequency spectral compression factor greater than 4. This study takes place in the general field of coherence analysis through second order non-linear processes.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.21.003073