We’re constantly considering applications for Internship, Master and Bachelor thesis, Semester project etc both from EPFL and international students. If interested to join our research efforts, find below a list of available projects. Don’t hesitate to contact us!
| Project | What you will learn | Project type | Contact |
| Characterisation setup for transducers at cryogenic temperatures | – cryogenic measurements at 4 K – building miniaturised optical setups, i.e. components in Inventor – building fiber-based cryogenic components – measurement automatisation in Python (e.g. Attocubes) | Master thesis | [email protected] [email protected] |
| Terahertz detection on-chip | -CST microwave studio – building a fiber based detection setup – characterisation of the chip – if time allows, parts of the fabrication may be done together with the advising PhD student | Master thesis | [email protected] [email protected] |
| Fabrication of integrated photonic chips in the cleanroom | – optimization of large-scale fabrication of terahertz chips – explore efficient fiber coupling strategies – compact chips by multiple waveguide coupling using fiber arrays (cleaved and lensed) | Master thesis | [email protected] [email protected] |
| Simulation of a library of terahertz antennas | – CST simulations software – database based of resonant wavelength, linewidth, group delay | Semester thesis | [email protected] [email protected] |
| Chip-scale resonators | – apply nonlinear optics – investigate various types of chip-scale resonators: Fabry-Perot, Ring, BIC by simulations – characterise the properties of passive resonators (quality factor, free spectral range) – build fiber-based measurement setup | Master thesis | [email protected] [email protected] |
| Electro-optic metasurfaces | – dynamic control of flat optics – microwave electronics – laser science – design mechanical components in inventor | Master project | [email protected] [email protected] |
| Optical characterisation of integrated photonic circuits | -Full characterization of the transmission as a function of power and wavelength) -Other optical/electrical characterization of the device can be defined in the later steps -If possible, modeling (analytically) the mechanism based on the characterization spectra | Semester project | [email protected] [email protected] |
| Chip-scale spectroscopy | -Design the optimized configuration of on-chip spectroscopy -Studying the effect of substrate (full substrate/membrane) -Effect of a layer on top of the cladding to guide the field inside the substrate -Effect of passive and active resonators | Master thesis | [email protected] [email protected] |
| Frequency shifting in highly nonlinear fibers | – nonlinear optics – learning about supercontinuum generation and dispersion – building and characterising optical setups using power and spectral measurements | Semester thesis | [email protected] |
| Experimental evaluation of the frequency response of deeply sub-wavelength, confining nano/micro metallic structures, via time domain spectroscopy | – concepts in nano-optics using field-resolved detection – simulation in CST | Semester thesis | [email protected] |
| Building a frequency resolved optical gating setup in BBO | – Analysis of the second harmonic generation for a gaussian beam in the BBO crystal, for the colinear scenario (Calculation of the phase matching angle and the intensity inside the crystal) – simulations in Matlab or Python – building a FROG setup – testing by measuring pulse duration of laser in the lab | Semester thesis | [email protected] [email protected] |
| Simulation of frequency conversion in nonlinear waveguides | – Simulation of the nanostructures for the integrated photonics devices in CST Studio; – Learning more about the waveguides dispersion, mode structure and nonlinear optics; – Simulation of the pulse propagation in optical waveguides using Python | Semester thesis | [email protected] [email protected] |
| Programming of electro-optic sampling in Python with feedback loop | – automatization of various instruments and components: lock-in amplified, electro-optic modulator, driving microwaves and mechanical delay stage | Semester thesis | [email protected] [email protected] |
| Dispersion control of femtosecond pulses using dispersive fibers and prism pairs | – experimental study of dispersion using various techniques and its influence on nonlinear processes inside fibers and waveguides -nonlinear optics, dispersion, pulse shaping | Semester thesis | [email protected] [email protected] |