High-Precision Spectroscopy with Counter-Propagating Femtosecond Pulses

Abstract

An experimental realization of high-precision direct frequency comb spectroscopy using counter-propagating femtosecond pulses on two-photon atomic transitions is presented. Doppler broadened background signal, hampering precision spectroscopy with ultrashort pulses, is effectively eliminated with a simple pulse shaping method. As a result, all four 5S-7S two-photon transitions in a rubidium vapor are determined with both statistical and systematic uncertainties below 10${}^{-11}$, which is an order of magnitude better than previous experiments on these transitions.

5 pages, 4 figures. Accepted to PRL

References in corpus (5)

• Extreme ultraviolet frequency comb metrology
• The Fundamental Vibration of Molecular Hydrogen
• Spatial and Spectral Coherent Control with Frequency Combs
• Direct frequency comb spectroscopy of trapped ions
• Measurement of the quadratic Zeeman shift of ^{85}Rb hyperfine sublevels using stimulated Raman transitions

Cited by in corpus (11)

• Ramsey-comb spectroscopy with intense ultrashort laser pulses
• Survey of hyperfine structure measurements in alkali atoms
• Absolute Frequency Measurement of Rubidium 5S-7S Two-Photon Transitions
• Quantum dynamics of Dissipative Kerr solitons
• Observation of Rb Two-Photon Absorption Directly Excited by an Erbium-Fiber-Laser-Based Optical Frequency Comb via Spectral Control
• Nonlinear transmission spectroscopy with dual frequency combs
• Coherent blue emission induced by a combination of diode and femtosecond lasers
• Coherent Control of Resonant Two-Photon Transitions by Counter-Propagating Ultrashort Pulse Pairs
• Velocity-selective two-photon absorption induced by a diode laser in combination with a train of ultrashort pulses
• Doppler-free coherent-control spectroscopy with a colliding pair of shaped pulses
• Direct frequency-comb spectroscopy of $6S_{1/2}$-$8S_{1/2}$ transitions of atomic cesium