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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 12 — Apr. 20, 2009
  • pp: 2267–2274

Submicrosecond regular and chaotic nonlinear dynamics in a pulsed picosecond Nd:YAG laser with millisecond pumping

M. V. Gorbunkov, Yu. Ya. Maslova, V. A. Petukhov, M. A. Semenov, Yu. V. Shabalin, and A. V. Vinogradov  »View Author Affiliations


Applied Optics, Vol. 48, Issue 12, pp. 2267-2274 (2009)
http://dx.doi.org/10.1364/AO.48.002267


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Abstract

We propose and study both numerically and experimentally a feedback-controlled laser system capable of generating regular bursts with a submicrosecond period. Bursting is obtained in a laser that is controlled by a combination of feedbacks in which the negative feedback loop action is delayed by one cavity round trip with respect to the positive one, and the period is adjusted by relative feedback sensitivity. The proper combination of feedbacks is realized in a Nd:YAG laser with millisecond pumping by means of a single optoelectronic negative feedback unit that utilizes the signal reflected from an intracavity Pockels cell polarizer. Regular bursting (microgroups of picosecond pulses) with controlled periods from 25 to 75 cavity round trips is obtained experimentally. The development of chaotic dynamics displayed by the system at a higher pumping level differs from the Feigenbaum scenario.

© 2009 Optical Society of America

OCIS Codes
(140.1540) Lasers and laser optics : Chaos
(140.3530) Lasers and laser optics : Lasers, neodymium
(140.4050) Lasers and laser optics : Mode-locked lasers
(140.3425) Lasers and laser optics : Laser stabilization
(140.3538) Lasers and laser optics : Lasers, pulsed
(250.4110) Optoelectronics : Modulators

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: November 21, 2008
Revised Manuscript: March 4, 2009
Manuscript Accepted: March 17, 2009
Published: April 14, 2009

Citation
M. V. Gorbunkov, Yu. Ya. Maslova, V. A. Petukhov, M. A. Semenov, Yu. V. Shabalin, and A. V. Vinogradov, "Submicrosecond regular and chaotic nonlinear dynamics in a pulsed picosecond Nd:YAG laser with millisecond pumping," Appl. Opt. 48, 2267-2274 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-12-2267

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