The research topic "Fiber Interferometer for Laser Metrology and Stabilisation" explores and develops new approaches based on fiber system for :
- Stabilisation of lasers
- Measurement with laser interferometry
- Metrology of lasers and photonic devices
Principal investigators :
-
Fabien Kéfélian (Dr), associate professor - Université de Nice
Project : Spectral transfert of coherence
Michel Lintz (Dr, HdR), research fellow - CNRS (also member of LISA team)
Project : Long term laser stabilization (CNES funding)
Associates:
- Jean-Pierre Coulon, electronics engineer - CNRS
Temporary investigator :
- WE ARE LOOKING FOR A MASTER INTERN for 2021: Internship subject
NEWS :
- 23/04/2020 : Doctoral subject 2020 : Transfer of coherence between lasers with a fiber based interferometer
- 10/2018 : International Conference on Space Optics - ICSO 2018 : Temperature control of a PM ring fiber cavity for long-term laser frequency stabilization by D. Phung, J-P Coulon, Michel Lintz, T. Lévèque., Chania, France. pp.1118054,
- 24/09/2018 : Internship subject 2019 (master student or engineer's degree student in optics/photonics) :
- Fiber based interferometer and laser frequency metrology
- 15/05/2018 : Arrival of Nasserdine Hamdani, trainee from INP Grenoble to work on the double stabilization of laser on a fiber ring cavity under the supervision of M. Lintz
- 01/02/2018 : Doctoral subject 2018 : Transfer of coherence between lasers with a fiber-based interferometer
- 03/01/2018 : Arrival of Dr Ha Phung, First-TF funded engineer, to work on long term interferometer stabilization by double locking for 6 months
- 15/11/17 : Internship subject 2018 (master student or engineer's degree student in optics/photonics) with possible doctoral thesis
- Spectral transfer of laser coherence with a fiber based interferometer (Kéfélian)
- Double stabilization of laser on a fiber ring cavity (Lintz)
- 29/06/17 : CLEO Europe/EQEC at Munich : Presentation of Experimental evidence of a fundamental noise floor at the tens of millihertz level in laser locking onto unbalanced fibre-based Michelson interferometer (F. Audo, J.-P. Coulon et F. Kéfélian)
- 08/06/17 : Presentation by Fabien Kéfélian of Experimental evidence of a frequency noise floor at 0.1 Hz/Hz^0.5 in laser locking onto Michelson fiber based interferometer (F. Audo, J.-P. Coulon and F. Kéfélian ) at the annual general assembly of the network of excellence First-TF (Network for Research, Innovation, Education, Services and Training in Time-Frequency, "LABEX")
- 25/04/17 : Arrival of Maxence Dupriez, trainee from université de Lille in master "light - matter", to work on long term laser stabilization by double locking on fiber based Fabry-perot interferometer under the supervision of M. Lintz
- 25/03/17 : Doctoral subject 2017: Applications of the laser double lock to laser frequency stabilisation
- 23/03/17 : Experimental evidence of a fundamental noise floor at the tens of millihertz level in laser locking onto unbalanced fibre-based Michelson interferometer, par F. Audo, J.-P. Coulon et F. Kéfélian accepted at CLEO Europe/EQEC 2017
- 03/02/17 : Release of the paper Efficient diode laser line narrowing using dual, feed-forward + feed-back laser frequency control by M. Lintz, D.-H. Phung, J.-P. Coulon, B. Faure and T. Leveque, in Review of Scientific Instruments 88, 026102 (2017)
- 31/01/17 : Internship subject 2017 (master student or engineer's degree student in optics/photonics )
- Double asservissement pour la stabilisation absolue d'un laser
- Double asservissement de laser sur un interféromètre à fibre pour la comparaison de bruit de fréquence
- 07/10/16 : Presentation by Michel Lintz of "Dual", feed-forward + feed-back frequency control for efficient and convenient diode laser line narrowing at ICSO, International Conference on Space Optics (Biarritz)
Former projects :
- Spectral narrowing of diode laser (M. Lintz) (CNES funding)
- Laser Telemetry :
Former investigators and parteners:
- Nasserdine Hamdani, Phelma engineering school intern in 2018
- Ha Phung, contract engineer in 2013, doctoral candidate 09/09-06/13, contract engineer January-July 2018 (now permanent research engineer in OCA- Geoazur Lab)
- Maxence Dupriez, trainee 2nd year of master in physics option "light - matter" in université de Lille - 2017
- Frédéric Audo, contract researcher in 2016 (now in Lannion, Institut FOTON)
- Yassine Barje, trainee (Master Limoges) 2016
- Lin Wei Yu, trainee (Master SupOptique) 2016
- Mathieu Daldosso, trainee (INSA Toulouse) 2014 (now engineer at NXP Semiconductors)
- Clément Courde, doctoral candidate 09/07-02/11 (now permanent research engineer in OCA- Geoazur Lab)
- Alain Brillet, senior research fellow - Medaille d'or du CNRS recepient (now retired)
