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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1668–1670

Resonant excess quantum noise in lasers with mixed guiding

Y. Lien, E. van der Togt, M. P. van Exter, J. P. Woerdman, and N. J. van Druten  »View Author Affiliations


Optics Letters, Vol. 28, Issue 18, pp. 1668-1670 (2003)
http://dx.doi.org/10.1364/OL.28.001668


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Abstract

We show experimentally that the combination of soft-edged gain and index guiding can lead to resonant excess quantum noise. Resonances with excess noise factors close to 100 are observed in end-pumped Nd3+:YVO4 lasers for cavity lengths in which two modes experience similar gain. An associated increase in the relaxation oscillation damping rate demonstrates that the fluctuation enhancement is indeed caused by excess quantum noise and not by dynamic instabilities.

© 2003 Optical Society of America

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3410) Lasers and laser optics : Laser resonators
(140.3530) Lasers and laser optics : Lasers, neodymium
(230.7370) Optical devices : Waveguides
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

Citation
Y. Lien, E. van der Togt, M. P. van Exter, J. P. Woerdman, and N. J. van Druten, "Resonant excess quantum noise in lasers with mixed guiding," Opt. Lett. 28, 1668-1670 (2003)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-28-18-1668

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