Applied Physics B

, Volume 114, Issue 3, pp 415–419 | Cite as

Suppression of self-pulsing in Tm:YAlO3 lasers via current feedback

  • Ka S. WuEmail author
  • Peter J. Veitch
  • Jesper Munch
  • David J. Ottaway


Self-pulsing of continuous-wave Tm:YAlO3 lasers limits their use for a variety of important applications. We demonstrate for the first time that the pulsing can be suppressed via feedback to the pump diode laser, a technique that is suitable for both external resonator and monolithic lasers. We also show that the optical transfer function of the laser is that of an unstable relaxation oscillator.


Pump Power Gain Medium Relaxation Oscillation Slope Efficiency Absorb Pump Power 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors would like to thank Mr. Neville Wild for his contribution to this work.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Ka S. Wu
    • 1
    • 2
    Email author
  • Peter J. Veitch
    • 1
    • 2
  • Jesper Munch
    • 1
    • 2
  • David J. Ottaway
    • 1
    • 2
  1. 1.Department of PhysicsThe University of AdelaideAdelaideAustralia
  2. 2.Institute for Photonics & Advanced Sensing (IPAS)The University of AdelaideAdelaideAustralia

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