Work with us

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Post-doc positions

We are looking for candidates for the following activities:

Yb optical clock, m.pizzocaro[at], d.calonico[at]

Sr optical clock, m.tarallo[at], f.levi[at]

Frequency dissemination through optical fiber, c.clivati[at], d.calonico[at]

Cell clocks, s.micalizio[at]

Theory of many-body quantum gases g.bertaina[at]

Contact us for details and application!

PhD positions

Available theses with Politecnico di Torino within various programmes (formerly only the PhD programme in Metrology). 

Please contact f.levi[at] for more information.

Master theses and bachelors

Here are some of the many available proposals. Contact us for details and for an updated list!

Temperature measurements for accurate blackbody shift evaluation on a Yb optical clock.

Blackbody shift is one of the largest contribution to the uncertainty budget of our Yb clock. We are building an improved clock apparatus, aiming at reducing this contribution down to the 1E-18 level. We propose to develop the new vacuum chamber, with particular attention to the study of the temperature seen by the trapped Yb atoms.

Contact: m.pizzocaro[at], d.calonico[at]

Laser cooling of a Sr gas on a ultranarrow atomic transition

Laser cooling is a standard technique for preparing atomic samples to be used in clocks, inertial sensors (accelerometers, gravimeters, gyroscopes) and quantum simulators. In strontium, this technique can be investigated down to its quantum limit, i.e. when the atomic temperature approaches the recoil energy of the single photon. We propose to study the cooling of Sr atoms on the intercombination line at 689 nm, with particular attention to the measurement of atomic temperatures at the microkelvin level.

Contact: m.tarallo[at], f.levi[at]

Development and characterization of a high spectral-purity infrared laser for the Sr optical clock

Semiconductor lasers are versatile and low-cost devices: they represent therefore a useful tool in atom and molecular spectroscopy at the highest precision. We propose to develop the master laser of the Sr optical clock using a new semiconductor chip at 1400 nm.

Contact: m.tarallo[at], f.levi[at]

Phase-locked loops for frequency dissemination over fiber

We have developed a fiber-based network for the dissemination of optical frequencies to several scientific users in Italy. The ever-growing complexity of such infrastructure requires the development of modular, versatile and replicable laser and optoelectronic systems. We propose to develop and characterize low-noise phase-locked loops, based either on digital or analog electronics, for the slaving of multiple lasers to the same master and their metrological characterization. Research activity is also available on the completion of the optical fiber backbone connecting INRiM to the space geodesy center in Matera

Contact: c.clivati[at], d.calonico[at]

Laser sources for high-resolution UV spectroscopy

We are developing optical systems for frequency metrology in the UV domain, in particular for performing Doppler broadening thermometry on a sample of mercury atoms, targeting at an improved measurement of the Boltzmann constant. Since no laser sources are available in this region, radiation will be obtained from frequency-quadrupled infrared sources, using nonlinear optical techniques. We propose to develop a setup for cascaded second-harmonic-generation of light in waveguides and enhancement cavities, and the characterization of the observed nonlinear phenomena.

Contact: c.clivati[at], f.levi[at]

Theoretical and computational study of quantum entangled states in a cavity-enhanced optical clock

In this thesis, the candidate will learn and employ theoretical and computational approaches (in particular the QuTip Python libraries) to simulate the quantum dynamics of alkaline-earth atoms in an optical lattice embedded in an optical cavity, with the aim to investigate the best parameters to optimize the generation of non classical states (e.g. spin squeezing) and the reduction of the variance of population measurements.

Contact: g.bertaina[at]

Quantum Monte Carlo study of interacting Fermi gases

Cold dilute gases are used for quantum simulation and in optical lattice clocks. Direct interaction between ultracold atoms can be characterized by a few scattering parameters in a partial wave expansion. In spite of the relative simplicity of the theoretical description, the solution of the full many-body Schroedinger equation is a daunting task, that can be efficiently tackled by quantum Monte Carlo simulations. In this thesis, the candidate will develop a quantum Monte Carlo code for the massively parallel computation of the equation of state and structural properties of interacting Fermi or Bose gases in optical traps.

Contact: g.bertaina[at]