Frequency-comb-referenced singly-resonant OPO for sub-Doppler spectroscopy

I. Ricciardi, E. De Tommasi, P. Maddaloni, S. Mosca, A. Rocco, J. J. Zondy, M. De Rosa, P. De Natale

Research output: Contribution to journalArticle

43 Citations (Scopus)

Abstract

We present a widely-tunable, singly-resonant optical parametric oscillator, emitting more than 1 W between 2.7 and 4.2 μ m, which is phase locked to a self-referenced frequency comb. Both pump and signal frequencies are directly phase-locked to the frequency comb of a NIR-emitting fs mode-locked fibre laser, linked, in turn, to the caesium primary standard. We estimate for the idler frequency a fractional Allan deviation of ∼ 3×10 -12τ-1/2 between 1 and 200 s. To test the spectroscopic performance of the OPO, we carried out saturation spectroscopy of several transitions belonging to the.1 rovibrational band of CH3I, resolving their electronic quadrupole hyperfine structure, estimating a linewidth better than 200 kHz FWHM for the idler, and determining the absolute frequency of the hyperfine components with a 50-kHz-uncertainty.

Original languageEnglish
Pages (from-to)9178-9186
Number of pages9
JournalOptics Express
Volume20
Issue number8
DOIs
Publication statusPublished - Apr 9 2012
Externally publishedYes

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spectroscopy
parametric amplifiers
hyperfine structure
cesium
fiber lasers
estimating
quadrupoles
pumps
deviation
saturation
estimates
electronics

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Ricciardi, I., De Tommasi, E., Maddaloni, P., Mosca, S., Rocco, A., Zondy, J. J., ... De Natale, P. (2012). Frequency-comb-referenced singly-resonant OPO for sub-Doppler spectroscopy. Optics Express, 20(8), 9178-9186. https://doi.org/10.1364/OE.20.009178

Frequency-comb-referenced singly-resonant OPO for sub-Doppler spectroscopy. / Ricciardi, I.; De Tommasi, E.; Maddaloni, P.; Mosca, S.; Rocco, A.; Zondy, J. J.; De Rosa, M.; De Natale, P.

In: Optics Express, Vol. 20, No. 8, 09.04.2012, p. 9178-9186.

Research output: Contribution to journalArticle

Ricciardi, I, De Tommasi, E, Maddaloni, P, Mosca, S, Rocco, A, Zondy, JJ, De Rosa, M & De Natale, P 2012, 'Frequency-comb-referenced singly-resonant OPO for sub-Doppler spectroscopy', Optics Express, vol. 20, no. 8, pp. 9178-9186. https://doi.org/10.1364/OE.20.009178
Ricciardi I, De Tommasi E, Maddaloni P, Mosca S, Rocco A, Zondy JJ et al. Frequency-comb-referenced singly-resonant OPO for sub-Doppler spectroscopy. Optics Express. 2012 Apr 9;20(8):9178-9186. https://doi.org/10.1364/OE.20.009178
Ricciardi, I. ; De Tommasi, E. ; Maddaloni, P. ; Mosca, S. ; Rocco, A. ; Zondy, J. J. ; De Rosa, M. ; De Natale, P. / Frequency-comb-referenced singly-resonant OPO for sub-Doppler spectroscopy. In: Optics Express. 2012 ; Vol. 20, No. 8. pp. 9178-9186.
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