Volume 96, Number 5, December 2011
|Number of page(s)||6|
|Section||Atomic, Molecular and Optical Physics|
|Published online||22 November 2011|
Microwave sidebands for atomic physics experiments by period one oscillation in optically injected diode lasers
Department of Physics, Swansea University - Singleton Park, Swansea SA2 8PP, UK
Accepted: 12 October 2011
We show that nonlinear dynamics in diode lasers with optical injection leads to frequency tunable microwave sidebands which are suitable for atomic physics experiments. We demonstrate the applicability of the sidebands in an experiment where rubidium atoms are magneto-optically trapped with both the trap and the re-pump optical frequencies derived from one optically injected laser. We find linewidth narrowing in the optical spectrum of the injected laser at both the injection frequency and the sideband frequency. With strong optical injection which leads to frequency locking we find a complete linewidth transfer from the master to the slave. Further applications are discussed.
PACS: 37.10.De – Atom cooling methods / 42.55.Px – Semiconductor lasers; laser diodes / 42.65.Sf – Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics
© EPLA, 2011
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