CV: Post-doctoral researcher in experimental physics, specialist in quantum information and atom interferometry

 


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Candidate Profile
 Date Submitted:10-02-2019
 Last Modified:10-02-2019 (01:11)
Job information
 Current job:Post-doctoral researcher in experimental physics, specialist in quantum information and atom interferometry
 Employment Term:Permanent
 Job location:Europe only
 Date available:immediately
 Industry:
 Keywordsquantum information - quantum computing - quantum memory - ion entanglement - Rydberg ions - atomic gravimeter - atom cooling - laser physics - optics - inertial sensors - physics test with space interferometers - light matter interaction - electric fu
CV

PhD in atomic physics, researcher in experimental physics, specialist in quantum information and atom interferometry

Professional experience

10/2015 – 10/2017 Post-doctoral contract at the Stockholm University, in the research group of M. Hennrich.

Development of the project of quantum computer QUASIRIO

09/2013 – 09/2015 Post-doctoral contract at the University of Florence, in the research group of G.M. Tino

1. Development of the spatial interferometer SAI

2. Improvement of the atomic gradiometer experiment MAGIA

04*/2011 – 08/2013 Post-doctoral contract at the European Space Agency, under the supervision of L. Cacciapuoti.

Development of the spatial interferometer SAI

Education

09/2007 – 11/2010 Ph. D. in Atomic Physics at the Université Pierre et Marie Curie, Paris 6, realized at the Observatoire de Paris – SYRTE (SYstème de Référence Temps-Espace) and at Laboratoire National de Métrologie et d'Essais (LNE) under the direction of P.Tuckey, in the research group: Atom interferometry and inertial sensors. Grant provided by the CNRS and the CNES (french spatial agency) and diploma obtained with the highest distinction (très honorable)

Thesis: “Atom gravimetry: enhancement of accuracy and new geometries“

09/2005 – 06/2007 Master in Physics at the Université Pierre et Marie Curie,

year 1, fundamental physics

year 2, atoms and molecules experimental physics

09/2002 – 09/2005 Bachelor in Physics at the Université Pierre et Marie Curie,

2-years diploma (french DEUG), Mathematics

year 3, fundamental physics

Skills: quantum information - quantum computing - quantum memory - ion entanglement - Rydberg ions - atomic gravimeter - atom cooling - laser physics - optics - inertial sensors - physics test with space interferometers - light matter interaction - electric fundamental metrology

Languages: french (native), english (fluent), italian (fluent)

Softwares: Matlab, Origin, Latex, Zemax

Description of researches

Matter-wave interferometry is a multifaceted domain, at the crossroads of different scientific communities. My Ph.D. in Atomic Physics, realized at the Observatoire de Paris – SYRTE (SYstème de Référence Temps Espace, the french frequency – time laboratory), on the cold atom gravimeter and my working experience in Florence on the Space Atom Interferometer (SAI) project of the European Space Agency (ESA) allowed me to master atom interferometry physics, from the highest performance experiment in sensitivity and accuracy to micro-gravity prototype. The atom interferometers merge due to the manipulation of atomic wave packets by infrared laser pulses. The lasers have a very high stability frequency. Every laser pulses sequence induces a particular interferometer geometry, which is sensitive to a particular acceleration or rotation.

My Ph.D thesis describes the development of the new vacuum chamber of the absolute atomic gravimeter and presents the major advances that it has made possible in terms of accuracy [6,13] and sensitivity. The robustness and ease of use of the different components of the atomic gravimeter, whether it be the electronics, the optical bench that generates the optical frequencies, the vacuum chamber itself, have made it possible to experiment with new gravimeter concepts turned towards geophysics [1,2] or space inertial sensors [4], without turning us away from the main metrological objective. Several comparisons with optical gravimeters have demonstrated the accuracy of our instrument [3,5,7].

In Florence, I have taken charge of the Space Atom Interferometer (SAI) project developed under the contract of the European Space Agency. The final purpose of this prototype is to validate technologies in order to send an atom interferometer in the International Space Station (ISS). The SAI prototype is developed together by ESA and 9 laboratories in Italy, France and Germany. SAI is adapted for the constraints of the Bremen drop tower, in weighlessness conditions as well as for the 50 g deceleration. Scientific results [9] obtained during my SAI responsibilities are properties of ESA. Meanwhile, I have also participated in two articles where we have described possible future ESA missions [10,11].

In parallel, in order to continue an experimental activity in research in fundamental physics, I worked on the experiment MAGIA in Florence. The goal of the experiment is to measure the Newtonian constant G with 10-4 of relative accuracy. The experiment is based on a light-pulse atom interferometer gradiometer detecting the gravitational field generated by a well characterized set of source masses. We have managed to reach the required sensitivity [12], and demonstrated a protocol to measure simultaneously gravity and gravity gradient [8].

In Stockholm, I have changed research topic to focus on quantum information, working on the experiment QUASIRIO at Stockholm University. Trapped Rydberg ions are a promising new system for quantum information processing. They have the potential to join the precise quantum operations of trapped ions and the strong, long-range interactions between Rydberg atoms. First, we have studied the interaction of an ion excited to Rydberg state with the trapping quadrupole field [14]. We have characterized the effects of the quadrupole field on the resonance. Second we have demonstrated a two-photons Rabi oscillation from the fundamental state to the Rydberg state through STIRAP (STImulated Raman Adiabatic Passage)[15]. This demonstrates the feasability of a quantum phase-gate on the quantum computer scheme developed on our experiment.

I also realized my Master 2 internship at Laboratoire de Photophysique Moléculaire (today Institut des Sciences Moléculaires d'Orsay). I was in charge of manipulating nano-dots with an Atomic Force Microscope, in the frame of the development of nano-robots.

 

Publications

[1] “Operating an atom interferometer beyond its linear range”, Metrologia 46, 87–94 (2009), S. Merlet, J. Le Gouët, Q. Bodart, A. Clairon, A. Landragin, F. Pereira Dos Santos and P. Rouchon

[2] “A cold atom pyramidal gravimeter with a single laser beam”, Appl. Phys. Lett. 96, 134101 (2010), described in Nature Photonics 4, 340 - 341 (2010) and Laser Focus World. Q. Bodart, S. Merlet, N. Malossi, F. Pereira Dos Santos, P. Bouyer and A. Landragin

[3] “Comparison between two mobile absolute gravimeters : optical versus atomic interferometers”, Metrologia 47, L9-L11 (2010), S. Merlet, Q. Bodart , N. Malossi, A. Landragin, F. Pereira Dos Santos, O. Gitlein and L.Timmen

[4] “Double diffraction in an atomic gravimeter”, Physical Review A, 81, 013617, (2010), N. Malossi, Q. Bodart, S. Merlet, T. Lévèque, A. Landragin and F. Pereira Dos Santos

[5] “Comparison of 3 absolute gravimeters based on different methods for the e-MASS project” : IEEE, 60, NO. 7, (2011), A. Louchet-Chauvet, S. Merlet, Q. Bodart, A. Landragin, F. Pereira Dos Santos, H. Baumann, G. D’Agostino and C. Origlia

[6] “The influence of transverse motion within an atomic gravimeter” New J. Phys. ,13, 065025 (2011), A. Louchet-Chauvet, T. Farah, Q. Bodart, A. Clairon, A. Landragin, S. Merlet and F. Pereira Dos Santos

[7] “The 8th International Comparison of Absolute Gravimeters 2009”: Metrologia, 49(6), 666-684 (2012), Z Jiang, Q. Bodart et al. (46 authors)

[8] “Simultaneous measurement of gravity acceleration and gravity gradient with an atom interferometer”: Appl. Phys. Lett.,101, 114106 (2012), F. Sorrentino, A. Bertoldi, Q. Bodart, L. Cacciapuoti, M. de Angelis, Y.-H. Lien, M. Prevedelli, G. Rosi and G. M. Tino

[9] “Space Atom Interferometer: Work Package 5, transportable sensor prototype assembly“, European Space Agency, (2013) Q. Bodart

[10] “Precision Gravity Tests with Atom Interferometry in Space”: Nuclear Physics B – Proceedings Supplements 243-244-203, (2013) G. M. Tino, Q. Bodart et al. (25 authors)

[11] “Principles of gravitational waves detection through atom interferometry”: International Journal of Modern Physics: Conference Series, 23,135-143, (2013) F. Vetrano, G. M. Guidi, A. Vicere, Q. Bodart, Y. Lien, M. Prevedelli, G. Rosi, F. Sorrentino and G. M. Tino

[12] “Sensitivity limits of a Raman atom interferometer as a gravity gradiometer”, Physical Review A 89, 023607 (2014) F. Sorrentino, Q. Bodart, L. Cacciapuoti, Y.-H. Lien, M. Prevedelli, G. Rosi, L. Salvi and G. M. Tino

[13] “Détermination de g pour la balance du watt”, Revue française de métrologie n° 36, Vol. 4, 11-27 (2014) S. Merlet, Q. Bodart et al. (17 authors)

[14] “A single strontium Rydberg ion confined in a Paul trap”, Physical Review X, Vol 7, 021038 (2017), G. Higgins, W. Li, F. Pokorny, C. Zhang, F. Kress, C. Maier, J. Haag, Q. Bodart, I. Lesanovsky and M. Hennrich

[15] “Coherent control of a single trapped Rydberg ion”, Physical Review Letters, Vol 119, 220501 (2017) G. Higgins, F. Pokorny, C. Zhang, Q. Bodart and M. Hennrich

[16] Ph.D. Thesis, Please find below the link with my Ph.D thesis.

https://tel.archives-ouvertes.fr/tel-00552301v2/document

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