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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 26 — Dec. 26, 2005
  • pp: 10608–10615

3.9–4.8 μm gain-switched lasing of Fe:ZnSe at room temperature

J. Kernal, V. V. Fedorov, A. Gallian, S. B. Mirov, and V. V. Badikov  »View Author Affiliations


Optics Express, Vol. 13, Issue 26, pp. 10608-10615 (2005)
http://dx.doi.org/10.1364/OPEX.13.010608


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Abstract

We report a room temperature Fe:ZnSe laser in gain-switched operation and tuning over the 3.9 – 4.8μm spectral range. Mid-IR emission of Fe2+:ZnSe was studied under three regimes of excitation: ordinary optical (2.92μm) excitation of 5T2 excited state of Fe2+; excitation via 5E level of Cr co-dopant (1.56μm); and excitation via photo-ionization transition of Fe2+ (0.532μm). The energy transfer from Cr2+ (5E level) to Fe+ (5T2 level) under 1.56μm wavelength excitation was observed and resulted in simultaneous room temperature emission of Fe:Cr:ZnSe crystal over ultra-broadband spectral range of 2–3 and 3.5–5μm. We also report the observation of mid-IR emission at 3.5–5μm induced by 2+->3+->-2+ ionization transitions of the iron ions in Fe:ZnSe.

© 2005 Optical Society of America

OCIS Codes
(140.3580) Lasers and laser optics : Lasers, solid-state
(140.5680) Lasers and laser optics : Rare earth and transition metal solid-state lasers

ToC Category:
Research Papers

Citation
J. Kernal, V. V. Fedorov, A. Gallian, S. B. Mirov, and V. V. Badikov, "3.9-4.8 µm gain-switched lasing of Fe:ZnSe at room temperature," Opt. Express 13, 10608-10615 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-26-10608


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References

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