Mid-Infrared Optical Frequency Combs based on Difference Frequency Generation for Molecular Spectroscopy
Optics
2015-10-28 v1
Abstract
Mid-infrared femtosecond optical frequency combs were produced by difference frequency generation of the spectral components of a near-infrared comb in a 3-mm-long MgO:PPLN crystal. We observe strong pump depletion and 9.3 dB parametric gain in the 1.5 \mu m signal, which yields powers above 500 mW (3 \mu W/mode) in the idler with spectra covering 2.8 \mu m to 3.5 \mu m. Potential for broadband, high-resolution molecular spectroscopy is demonstrated by absorption spectra and interferograms obtained by heterodyning two combs.
Cite
@article{arxiv.1508.03284,
title = {Mid-Infrared Optical Frequency Combs based on Difference Frequency Generation for Molecular Spectroscopy},
author = {Flavio C. Cruz and Daniel L. Maser and Todd Johnson and Gabriel Ycas and Andrew Klose and Fabrizio R. Giorgetta and Ian Coddington and Scott A. Diddams},
journal= {arXiv preprint arXiv:1508.03284},
year = {2015}
}
Comments
11 pages, 8 figures