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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 6 — Jun. 1, 2011
  • pp: 1553–1555

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

Daniel A. Thrasher, Matthew Burbidge, Miriam N. Conde, and Scott D. Bergeson  »View Author Affiliations


JOSA B, Vol. 28, Issue 6, pp. 1553-1555 (2011)
http://dx.doi.org/10.1364/JOSAB.28.001553


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Abstract

An analysis showing that phase noise in a master diode laser is converted to amplitude noise in an injection-locked Ti:sapphire power amplifier was recently published [“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)]. As this analysis might discourage the broad implementation of injection locking, we report amplitude noise and laser linewidth measurements in such a system and note that these lasers have sufficiently low noise to be useful in a wide range of experiments in atomic, molecular, and optical physics. A low-power diode laser is amplified to 1.6 W at 846 nm . Amplitude noise is measured using a high-speed photodiode. Frequency noise is measured relative to a low-noise commercial Ti:sapphire laser using an offset lock and heterodyne technique. Under optimal conditions, the relative rms amplitude noise is 1%. The linewidth of the injection-locked laser is 300 kHz . As others in this field have shown, the amplitude and frequency noise characteristics depend critically on the lock circuit characteristics.

© 2011 Optical Society of America

OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3280) Lasers and laser optics : Laser amplifiers
(140.3560) Lasers and laser optics : Lasers, ring
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3590) Lasers and laser optics : Lasers, titanium
(140.4480) Lasers and laser optics : Optical amplifiers

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: December 9, 2010
Revised Manuscript: February 17, 2011
Manuscript Accepted: February 24, 2011
Published: May 25, 2011

Citation
Daniel A. Thrasher, Matthew Burbidge, Miriam N. Conde, and Scott D. Bergeson, "Comments on “Intensity noise of an injection-locked Ti:sapphire laser: analysis of the phase-noise-to-amplitude-noise conversion”," J. Opt. Soc. Am. B 28, 1553-1555 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-6-1553

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