| Issue |
Eur. Phys. J. Appl. Phys.
Volume 30, Number 3, June 2005
|
|
|---|---|---|
| Page(s) | 175 - 183 | |
| Section | Laser, Optics, Optoelectronics and Nanophotonics | |
| DOI | https://doi.org/10.1051/epjap:2005038 | |
| Published online | 19 May 2005 | |
https://doi.org/10.1051/epjap:2005038
Experimental investigation of deterministic and stochastic frequency noises of a rapidly frequency chirped laser
Laboratoire Aimé Cotton, Centre National de la Recherche Scientifique, Bât. 505, Campus Universitaire, 91405 Orsay Cedex, France
Corresponding author: guillaume.gorju@lac.u-psud.fr
Received:
7
January
2005
Revised:
2
February
2005
Accepted:
11
February
2005
Published online:
19
May
2005
The different types of errors affecting the spectral purity of a rapidly chirped continuous wave laser are experimentally studied using an unbalanced interferometer. The response of the interferometer to the deterministic (periodic and aperiodic) and stochastic quantum and technical laser frequency noises is theoretically analysed and experimentally investigated with an external cavity diode laser operating at 793 nm and providing chirps in excess of 10 GHz on the ms timescale. The system is shown to be able to measure the laser frequency to better than 1 MHz during the chirp. It provides an error signal that can be used to servo-control the laser frequency in real time while it is chirped.
PACS: 42.60.-v – Laser optical systems: design and operation
© EDP Sciences, 2005
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