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Optics Express

Optics Express

  • Editor: J. H. Eberly
  • Vol. 3, Iss. 8 — Oct. 12, 1998
  • pp: 298–304

Pump-probe switching in gain-switched lasers

Richard T. White and Iain T. McKinnie  »View Author Affiliations


Optics Express, Vol. 3, Issue 8, pp. 298-304 (1998)
http://dx.doi.org/10.1364/OE.3.000298


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Abstract

We report a novel pump-probe switching phenomenon exhibited by gain-switched vibronic lasers under dual pulse excitation. A spatio-temporal rate equation model reveals the mechanism responsible, and predicts observations of pump-probe switching in a Cr:forsterite laser under pulsed 1064nm excitation. The sensitivity of this energy storage-extraction process to the pump and probe fluences and their temporal separation is investigated for switching in the nanosecond and microsecond excitation regimes.

© Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.3600) Lasers and laser optics : Lasers, tunable
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

ToC Category:
Research Papers

History
Original Manuscript: August 25, 1998
Revised Manuscript: August 10, 1998
Published: October 12, 1998

Citation
Richard White and Iain McKinnie, "Pump-probe switching in gain-switched lasers," Opt. Express 3, 298-304 (1998)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-3-8-298


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References

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  7. R. T. White, I. T. M c Kinnie, and N. L. Moise, "Pump-probe switching in Cr:forsterite lasers," in Quantum Electronics and Laser Science Conference, 1997 OSA Technical Digest Series (Optical Society of America, Washington D.C., 1997), 147-148.
  8. W. Jia, H. Liu, S. Jaffe, and W. M. Yen, "Spectroscopy of Cr 3+ and Cr 4+ ions in forsterite," Phys. Rev. B 43, 5234-5242 (1991). [CrossRef]
  9. T. S. Rose, R. A. Fields, M. H. Whitmore, and D. J. Singel, "Optical Zeeman spectroscopy of the near-infrared lasing center in chromium:for-sterite," J. Opt. Soc. Am. B 11, 428-435 (1994). [CrossRef]
  10. H. R. Verdun, and L. Merkle, "Evidence of excited-state absorption of pump radiation in the Cr:forsterite laser," OSA Proceedings on Advanced Solid-State Lasers, George Dube and Lloyd Chase, eds. (Optical Society of America, Washington D.C., 1991) 10, 35-40.
  11. R. T. White, I. T. Mc Kinnie, and N. L. Moise, "Dynamics of gain-switched Cr 4+ lasers," in preparation.

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