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arXiv · 1210.3713

Mid-IR frequency measurement using an optical frequency comb and a long-distance remote frequency reference

Bruno Chanteau·Olivier Lopez·Wei Zhang·Giorgio Santarelli·Yann Le Coq·Frédéric Auguste·Benoît Darquié·Christian Chardonnet·Anne Amy-Klein
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Abstract

We have built a frequency chain which enables to measure the absolute frequency of a laser emitting in the 28-31 THz frequency range and stabilized onto a molecular absorption line. The set-up uses an optical frequency comb and an ultrastable 1.55 $\mu$m frequency reference signal, transferred from LNE-SYRTE to LPL through an optical link. We are now progressing towards the stabilization of the mid-IR laser via the frequency comb and the extension of this technique to quantum cascade lasers. Such a development is very challenging for ultrahigh resolution molecular spectroscopy and fundamental tests of physics with molecules.

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Bruno Chanteau, Olivier Lopez, Wei Zhang, Giorgio Santarelli, Yann Le Coq, Frédéric Auguste, Benoît Darquié, Christian Chardonnet, Anne Amy-Klein. 2012-10-13. Mid-IR frequency measurement using an optical frequency comb and a long-distance remote frequency reference. https://arxiv.org/abs/1210.3713

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