Emmanuel Klinger
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View article: Microcell atomic clock using laser current-actuated power modulation with 10−12 range stability at 1 day
Microcell atomic clock using laser current-actuated power modulation with 10−12 range stability at 1 day Open
We present a coherent-population trapping (CPT) microcell atomic clock using symmetric auto-balanced Ramsey (SABR) spectroscopy. The pulsed SABR sequence is applied through direct current-based power modulation of the vertical-cavity surfa…
View article: Microfabricated alkali vapor cells with tunable He-Ne buffer gas mixture using reservoirs with laser-actuated break-seals
Microfabricated alkali vapor cells with tunable He-Ne buffer gas mixture using reservoirs with laser-actuated break-seals Open
This letter reports on the generation of a tunable buffer gas mixture within microfabricated alkali vapor cells. We show that the combination of low-permeation windows with sequential openings of laser-actuated break-seals enables adjustme…
View article: Doppler-free spectroscopy of the Cs 6S<sub>1/2</sub> → 7P<sub>3/2</sub> atomic transition at 456 nm in a nanometric-thick vapor layer
Doppler-free spectroscopy of the Cs 6S<sub>1/2</sub> → 7P<sub>3/2</sub> atomic transition at 456 nm in a nanometric-thick vapor layer Open
The features of Doppler-free resonances detected by probing the 133 Cs atom 6S 1/2 → 7P 3/2 transition at 456 nm in a nanometric-thick vapor layer are investigated. The matrix element of this transition is about 11 times smaller than that …
View article: Microcell CPT atomic clock using laser current-actuated power modulation with 10$^{-12}$ range stability at 1 day
Microcell CPT atomic clock using laser current-actuated power modulation with 10$^{-12}$ range stability at 1 day Open
We present a coherent-population trapping (CPT) microcell atomic clock using symmetric auto-balanced Ramsey (SABR) spectroscopy. The pulsed SABR sequence is applied through direct current-based power modulation of the vertical-cavity surfa…
View article: Cs microcell optical reference at 459 nm with short-term frequency stability below 2 × 10−13
Cs microcell optical reference at 459 nm with short-term frequency stability below 2 × 10−13 Open
We describe the short-term frequency stability characterization of external-cavity diode lasers stabilized onto the 6S1/2−7P1/2 transition of Cs atoms at 459 nm, using a microfabricated vapor cell. The laser beatnote between two nearly ide…
View article: Features of alkali D2 line magnetically-induced transitions excited under π-polarized laser radiation
Features of alkali D2 line magnetically-induced transitions excited under π-polarized laser radiation Open
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View article: Cs microcell optical reference at 459 nm with short-term frequency stability below 2 $\times$ 10$^{-13}$
Cs microcell optical reference at 459 nm with short-term frequency stability below 2 $\times$ 10$^{-13}$ Open
We describe the short-term frequency stability characterization of external-cavity diode lasers stabilized onto the 6S$_{1/2}$-7P$_{1/2}$ transition of Cs atom at 459 nm, using a microfabricated vapor cell. The laser beatnote between two n…
View article: Doppler-free spectroscopy of the Cs $6\text{S}_{1/2}-7\text{P}_{3/2}$ atomic transition at 456 nm in a nanometric-thick vapor layer
Doppler-free spectroscopy of the Cs $6\text{S}_{1/2}-7\text{P}_{3/2}$ atomic transition at 456 nm in a nanometric-thick vapor layer Open
The features of Doppler-free resonances detected by probing the $^{133}$Cs atom $6S_{1/2}-7P_{3/2}$ transition at 456 nm in a nanometric-thick vapor layer are investigated. The matrix element of this transition is about 11 times smaller th…
View article: Short-term stability of a microcell optical reference based on the Rb atom two-photon transition at 778 nm
Short-term stability of a microcell optical reference based on the Rb atom two-photon transition at 778 nm Open
We report on the development and short-term stability characterization of an optical frequency reference based on the spectroscopy of the rubidium two-photon transition at 778 nm in a microfabricated vapor cell. When compared against a 778…
View article: Microfabricated vapor cell atomic clocks at FEMTO-ST
Microfabricated vapor cell atomic clocks at FEMTO-ST Open
The convergence of atomic spectroscopy, MEMS cell technologies and integrated photonics has led to the deployment of high-precision chip-scale atomic devices [1]. In this talk, we will present in-progress studies at FEMTO-ST Institute, Fra…
View article: A Multi-Messenger Search for Exotic Field Emission with a Global Magnetometer Network
A Multi-Messenger Search for Exotic Field Emission with a Global Magnetometer Network Open
Quantum sensor networks in combination with traditional astronomical observations are emerging as a novel modality for multi-messenger astronomy. Here we develop a generic analysis framework that uses a data-driven approach to model the se…
View article: Microfabricated vapor cell atomic clocks
Microfabricated vapor cell atomic clocks Open
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View article: Short-term stability of a microcell optical reference based on Rb atom two-photon transition at 778 nm
Short-term stability of a microcell optical reference based on Rb atom two-photon transition at 778 nm Open
We report on the development and short-term stability characterization of an optical frequency reference based on the spectroscopy of the rubidium two-photon transition at 778 nm in a microfabricated vapor cell. When compared against a 778…
View article: Saturated absorption spectroscopy of the near-UV Cs atom 6S1/2-7P1/2 transition in a MEMS vapor cell
Saturated absorption spectroscopy of the near-UV Cs atom 6S1/2-7P1/2 transition in a MEMS vapor cell Open
International audience
View article: Features of alkali D$_2$ line magnetically-induced transitions excited under π-polarized laser radiation
Features of alkali D$_2$ line magnetically-induced transitions excited under π-polarized laser radiation Open
The impact of the optical field polarization on the spectrum of magnetically-induced transitions, a class of transitions forbidden at zero magnetic field, is studied with a weak-probe sub-Doppler technique. The high spectral resolution of …
View article: Universal determination of comagnetometer response to spin couplings
Universal determination of comagnetometer response to spin couplings Open
We propose and demonstrate a general method to calibrate the frequency-dependent response of self-compensating noble-gas–alkali-metal comagnetometers to arbitrary spin perturbations. This includes magnetic and nonmagnetic perturbations suc…
View article: Sub-Doppler spectroscopy of the Cs atom 6S1/2 - 7P1/2 transition at 459 nm in a microfabricated vapor cell
Sub-Doppler spectroscopy of the Cs atom 6S1/2 - 7P1/2 transition at 459 nm in a microfabricated vapor cell Open
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View article: Mirrorless Lasing: A Theoretical Perspective
Mirrorless Lasing: A Theoretical Perspective Open
International audience
View article: Sub-Doppler spectroscopy of the near-UV Cs atom 6S$_{1/2}$-7P$_{1/2}$ transition in a microfabricated vapor cell
Sub-Doppler spectroscopy of the near-UV Cs atom 6S$_{1/2}$-7P$_{1/2}$ transition in a microfabricated vapor cell Open
We report on the characterization of sub-Doppler resonances detected by probing the 6S$_{1/2}$-7P$_{1/2}$ transition of Cs atom at 459 nm in a microfabricated vapor cell. The dependence of the sub-Doppler resonance (linewidth, amplitude) o…
View article: Observation of magnetically-induced transition intensity redistribution in the onset of the hyperfine Paschen-Back regime
Observation of magnetically-induced transition intensity redistribution in the onset of the hyperfine Paschen-Back regime Open
The Zeeman effect is an important topic in atomic spectroscopy. The induced change in transition frequencies and amplitudes finds applications in the Earth-field-range magnetometry. At intermediate magnetic field amplitude $B\sim B_0 = A_\…
View article: Remote Detection Optical Magnetometry
Remote Detection Optical Magnetometry Open
Sensitive magnetometers have been applied in a wide range of research fields, including geophysical exploration, bio-magnetic field detection, ultralow-field nuclear magnetic resonance, etc. Commonly, magnetometers are directly placed at t…
View article: Universal determination of comagnetometer response to spin couplings
Universal determination of comagnetometer response to spin couplings Open
We propose and demonstrate a general method to calibrate the frequency-dependent response of self-compensating noble-gas-alkali-metal comagnetometers to arbitrary spin perturbations. This includes magnetic and nonmagnetic perturbations lik…
View article: Mirrorless lasing: a theoretical perspective
Mirrorless lasing: a theoretical perspective Open
Mirrorless lasing has been a topic of particular interest for about a decade due to promising new horizons for quantum science and applications. In this work, we review first-principles theory that describes this phenomenon, and discuss de…
View article: What can a GNOME do? Search targets for the Global Network of Optical Magnetometers for Exotic physics searches
What can a GNOME do? Search targets for the Global Network of Optical Magnetometers for Exotic physics searches Open
Numerous observations suggest that there exist undiscovered beyond-the-Standard-Model particles and fields. Because of their unknown nature, these exotic particles and fields could interact with Standard Model particles in many different w…
View article: Optimization of Nuclear Polarization in an Alkali-Noble Gas Comagnetometer
Optimization of Nuclear Polarization in an Alkali-Noble Gas Comagnetometer Open
Self-compensated comagnetometers, employing overlapping samples of spin-polarized alkali and noble gases (for example K-${}^{3}\mathrm{He}$) are promising sensors for exotic beyond-the-standard-model fields and high-precision metrology suc…
View article: Optimization of nuclear polarization in an alkali-noble gas comagnetometer
Optimization of nuclear polarization in an alkali-noble gas comagnetometer Open
Self-compensated comagnetometers, employing overlapping samples of spin-polarized alkali and noble gases (for example K-$^3$He) are promising sensors for exotic beyond-the-standard-model fields and high-precision metrology such as rotation…