Jacques Millo
YOU?
Author Swipe
View article: Sub-kelvin measurement of silicon thermal expansion with a Fabry-Pérot cavity stabilized laser
Sub-kelvin measurement of silicon thermal expansion with a Fabry-Pérot cavity stabilized laser Open
In this letter, we report the measurement of the coefficient of thermal expansion (CTE) of single-crystal silicon from 655 mK to 16 K using an ultra-stable laser based on a single-crystal silicon Fabry-Perot cavity. Below 1 K temperatures,…
View article: Phase noise measurement of semiconductor optical amplifiers
Phase noise measurement of semiconductor optical amplifiers Open
We introduce a novel measurement method for the phase noise measurement of optical amplifiers, topologically similar to the Heterodyne Mach-Zehnder Interferometer but governed by different principles, and we report on the measurement of a …
View article: Guidelines for designs for ultrastable laser with $\mathbf{10^{-17}}$ fractional frequency instability
Guidelines for designs for ultrastable laser with $\mathbf{10^{-17}}$ fractional frequency instability Open
Lasers with long coherence time and narrow linewidth are an essential tool for quantum sensors and clocks. Ultrastable cavities and laser systems are now commercially available with fractional frequency instabilities in the mid $10^{-16}$ …
View article: Offset sideband locking to iodine for laser cooling on the <sup>1</sup>S<sub>0</sub> → <sup>3</sup>P<sub>1</sub> transition of <sup>171</sup>Yb
Offset sideband locking to iodine for laser cooling on the <sup>1</sup>S<sub>0</sub> → <sup>3</sup>P<sub>1</sub> transition of <sup>171</sup>Yb Open
We present absolute frequency measurements of a laser stabilized using an offset sideband locking technique on the P(49)24-1 rovibrational transition of 127 I 2 near 556 nm. The P(49)24-1 transition is offset by 4.8 GHz from the intercombi…
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: Development of a laser stabilized on an ultra-stable silicon cryogenic Fabry-Perot cavity for dark matter detection
Development of a laser stabilized on an ultra-stable silicon cryogenic Fabry-Perot cavity for dark matter detection Open
Astrophysical observations suggest the existence of an unknown kind of matter in the Universe, in the frame of the ΛCDM model. The research field of dark matter covers an energy scale going from massive objects to ultra-light scalar fields…
View article: Towards a sub-kelvin cryogenic Fabry-Perot silicon cavity
Towards a sub-kelvin cryogenic Fabry-Perot silicon cavity Open
We report on the development of a sub-kelvin, single-crystal silicon Fabry-Perot cavity. Operating such a cavity below 1 K should reduce the thermal noise limit of the cavity, and by this way address the current limitations of ultrastable …
View article: Microfabricated vapor cell atomic clocks at FEMTO-ST
Microfabricated vapor cell atomic clocks at FEMTO-ST Open
International audience
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: A Rb microcell frequency reference based on two-photon transition at 778 nm
A Rb microcell frequency reference based on two-photon transition at 778 nm Open
International audience
View article: Searching for dark matter with a cryogenic silicon Fabry-Pérot cavity
Searching for dark matter with a cryogenic silicon Fabry-Pérot cavity Open
International audience
View article: Towards a high-stability Cs-microcell stabilized laser with dual-frequency sub-Doppler spectroscopy
Towards a high-stability Cs-microcell stabilized laser with dual-frequency sub-Doppler spectroscopy Open
International audience
View article: Fully digital platform for local ultra-stable optical frequency distribution
Fully digital platform for local ultra-stable optical frequency distribution Open
This article reports on the use of a Field Programmable Gate Array (FPGA) platform for local ultra-stable optical frequency distribution through a 90 m-long fiber network. This platform is used to implement a fully digital treatment of the…
View article: Digital control of residual amplitude modulation at the 10<sup>−7</sup> level for ultra-stable lasers
Digital control of residual amplitude modulation at the 10<sup>−7</sup> level for ultra-stable lasers Open
The stabilization of lasers on ultra-stable optical cavities by the Pound-Drever-Hall (PDH) technique is a widely used method. The PDH method relies on the phase-modulation of the laser, which is usually performed by an electro-optic modul…
View article: Residual amplitude modulation at the $10^{-7}$ level for ultra-stable lasers
Residual amplitude modulation at the $10^{-7}$ level for ultra-stable lasers Open
The stabilization of lasers on ultra-stable optical cavities by the Pound-Drever-Hall (PDH) technique is a widely used method. The PDH method relies on the phase-modulation of the laser, which is usually performed by an electro-optic modul…
View article: Towards the generation and fiber-link transfer of ultra-stable 895 nm signal for characterization of a microcell-stabilized laser
Towards the generation and fiber-link transfer of ultra-stable 895 nm signal for characterization of a microcell-stabilized laser Open
International audience
View article: Digital Doppler-cancellation servo for ultra-stable optical frequency dissemination over fiber
Digital Doppler-cancellation servo for ultra-stable optical frequency dissemination over fiber Open
Progress made in optical references, including ultra-stable Fabry-Perot cavities, optical frequency combs and optical atomic clocks, have driven the need for ultra-stable optical fiber networks. Telecom-wavelength ultra-pure optical signal…
View article: Cs microcell microwave and optical frequency references at FEMTO-ST
Cs microcell microwave and optical frequency references at FEMTO-ST Open
International audience
View article: Higher-order Hermite-Gauss modes for gravitational waves detection
Higher-order Hermite-Gauss modes for gravitational waves detection Open
International audience
View article: Physics of the sapphire whispering-gallery-mode solid-state MASER oscillator
Physics of the sapphire whispering-gallery-mode solid-state MASER oscillator Open
\nThe Cryogenic Sapphire Oscillator (CSO) is currently the best available technology that can provide a relative frequency stability better than 10−15 with integration times between 1 s and 10,000 s. But, the CSO remains a complex instrume…
View article: Digital Control of Residual Amplitude Modulation for Ultra-Stable Optical Cavity
Digital Control of Residual Amplitude Modulation for Ultra-Stable Optical Cavity Open
International audience
View article: Compact Ultra-Stable Laser
Compact Ultra-Stable Laser Open
International audience
View article: Filter optimization for real time digital processing of radiofrequency signals: application to oscillator metrology
Filter optimization for real time digital processing of radiofrequency signals: application to oscillator metrology Open
International audience
View article: A simple-architecture fibered transmission system for dissemination of high stability 100 MHz signals
A simple-architecture fibered transmission system for dissemination of high stability 100 MHz signals Open
We report on the development of a simple-architecture fiber-based frequency distribution system used to transfer high frequency stability 100 MHz signals. This work is focused on the emitter and the receiver performances that allow the tra…
View article: Residual Phase Noise Measurement of Optical Second Harmonic Generation in PPLN Waveguides
Residual Phase Noise Measurement of Optical Second Harmonic Generation in PPLN Waveguides Open
We report on the characterization, including residual phase noise and fractional frequency instability, of fiber-coupled PPLN non-linear crystals. These components are devoted to frequency doubling 871 nm light from an extended-cavity diod…
View article: Compact Yb<sup>+</sup>optical atomic clock project: design principle and current status
Compact Yb<sup>+</sup>optical atomic clock project: design principle and current status Open
We present the design of a compact optical clock based on the $^2S_{1/2}\n\\rightarrow ^2D_{3/2}$ 435.5 nm transition in $^{171}$Yb$^+$. The ion trap will\nbe based on a micro-fabricated circuit, with surface electrodes generating a\ntrapp…
View article: Design of an ultra-compact reference ULE cavity
Design of an ultra-compact reference ULE cavity Open
This article presents the design and the conception of an ultra-compact Fabry-Pérot cavity which will be used to develop an ultra-stable laser. The proposed cavity is composed of a 25 mm long ULE spacer with fused silica mirrors. It leads …