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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 7 — Jul. 1, 2006
  • pp: 1276–1286

Intensity noise of an injection-locked Ti:sapphire laser: analysis of the phase-noise-to-amplitude-noise conversion

Jacopo Belfi, Iacopo Galli, Giovanni Giusfredi, and Francesco Marin  »View Author Affiliations


JOSA B, Vol. 23, Issue 7, pp. 1276-1286 (2006)
http://dx.doi.org/10.1364/JOSAB.23.001276


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Abstract

We describe the characterize a compact ring Ti:sapphire laser injection locked to an extended-cavity semiconductor source. The laser system has a good spectral purity and allows for fast scans, keeping the injection-locking condition. We analyze experimentally the amplitude noise properties of the free-running and injected laser and show good agreement with a quantum-mechanical model. In spite of the sub-shot-noise properties of the semiconductor source, the injected laser exhibits strong excess amplitude fluctuations. We show that this effect is due to the conversion of the strong phase noise of the semiconductor laser into amplitude noise of the injected Ti:sapphire laser.

© 2006 Optical Society of America

OCIS Codes
(140.3520) Lasers and laser optics : Lasers, injection-locked
(140.3590) Lasers and laser optics : Lasers, titanium
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: October 14, 2005
Revised Manuscript: February 10, 2006
Manuscript Accepted: February 16, 2006

Citation
Jacopo Belfi, Iacopo Galli, Giovanni Giusfredi, and Francesco Marin, "Intensity noise of an injection-locked Ti:sapphire laser: analysis of the phase-noise-to-amplitude-noise conversion," J. Opt. Soc. Am. B 23, 1276-1286 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-7-1276


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References

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