Wide-bandwidth frequency locking of a 1083-nm extended-cavity DBR diode laser to a high-finesse Fabry-Perot resonator

Year: 1998

Authors: Bianchini G., Cancio P., Minardi F., Pavone FS., Perrone F., Prevedelli M., Inguscio M.

Autors Affiliation: European Laboratory for Non-linear Spectroscopy (LENS), Largo E. Fermi 2, 50125 Florence, Italy and INFN, sez. di Firenze, 50125 Florence, Italy
Instituto de Estructura de la Materia. CSIC. Serrano 123-28006 Madrid, Spain

Dipartimento di Fisica dell’università di Pisa, 56100 Pisa and INFN, via Livornese 582/a, 56010 S. Piero a Grado (PI), Italy

Dipartimento di Fisica dell’università di Firenze, 50125 Firenze, Italy

Abstract: We report frequency locking of a 1083-nm DBR diode laser on a high-finesse Fabry-Perot cavity (F similar or equal to 2800). We used the Pound-Drever FM locking scheme at a modulation rate of 5 MHz. A lock bandwidth of about 1 MHz is obtained by using a three-path servo loop. The laser linewidth is narrowed to similar to 5 kHz. The root Allan variance sigma(tau) of the laser frequency with respect to the cavity reaches a minimum of 4 +/- 1 Hz at tau = 10 s.


Volume: 66 (4)      Pages from: 407  to: 410

KeyWords: Bandwidth; Cavity resonators; Distributed feedback lasers, Fabry Perot resonator; Frequency locking, Semiconductor lasers
DOI: 10.1007/s003400050410

Citations: 9
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