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Optics Letters

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  • Vol. 25, Iss. 15 — Aug. 1, 2000
  • pp: 1098–1100

Diode laser frequency-noise suppression by >50dB by use of electro-optic parametric master oscillators

A. Wolf, B. Bodermann, and H. R. Telle  »View Author Affiliations


Optics Letters, Vol. 25, Issue 15, pp. 1098-1100 (2000)
http://dx.doi.org/10.1364/OL.25.001098


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Abstract

We demonstrate a novel frequency-stabilization scheme for laser diodes that is capable of linewidth reduction by more than 5 orders of magnitude. In this master–slave scheme the diode laser emission is frequency-offset phase locked to the emission of an electro-optic parametric oscillator (EOPO), and the laser diode is simultaneously used as the EOPO pump source. As a result the initial frequency fluctuations of the pump are reduced to the intrinsic noise level of the EOPO, which can be extremely small. We demonstrate that subhertz linewidths of the beat notes of the signals of two of these systems can be readily achieved if acoustic perturbations are suppressed.

© 2000 Optical Society of America

OCIS Codes
(230.0230) Optical devices : Optical devices
(230.2090) Optical devices : Electro-optical devices
(230.4910) Optical devices : Oscillators
(300.3700) Spectroscopy : Linewidth
(300.6260) Spectroscopy : Spectroscopy, diode lasers

Citation
A. Wolf, B. Bodermann, and H. R. Telle, "Diode laser frequency-noise suppression by >50dB by use of electro-optic parametric master oscillators," Opt. Lett. 25, 1098-1100 (2000)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-25-15-1098


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References

  1. R. Drever, J. L. Hall, F. Kowalski, J. Hough, G. Ford, A. Munley, and H. Ward, Appl. Phys. B 31, 97 (1983).
  2. T. W. Hänsch and B. Couillaud, Opt. Commun. 35, 411 (1980).
  3. Ch. Salomon, D. Hils, and J. L. Hall, J. Opt. Soc. Am. B 5, 1576 (1988).
  4. A. Wolf and H. R. Telle, Opt. Lett. 23, 1775 (1998).

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