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Proceedings Article

Cr:ZnSe planar waveguide mid-IR laser

[+] Author Affiliations
J. E. Willimas, R. P. Camata

The Univ. of Alabama at Birmingham (USA)

D. V. Martyshkin, V. V. Fedorov, S. B. Mirov

The Univ. of Alabama at Birmingham (USA) and Photonics Innovations, Inc. (USA)

I. S. Moskalev

Photonics Innovations, Inc. (USA)

Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121H (February 15, 2011); doi:10.1117/12.875223
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From Conference Volume 7912

  • Solid State Lasers XX: Technology and Devices
  • W. Andrew Clarkson; Norman Hodgson; Ramesh Shori
  • San Francisco, California, USA | January 22, 2011

abstract

Middle infrared (mid-IR) chromium-doped zinc selenide (Cr:ZnSe) bulk lasers have attracted a lot of attention due to their unique combination of optical and laser properties facilitating a wide range of potential scientific, industrial, and medical applications. Utilization of thin film waveguide geometry enabling good thermal management and control of beam quality is a viable pathway for compact chip-integrated optical laser design. Cr:ZnSe thin films are also promising as saturable absorbers and mode-lockers of the cavities of solid state lasers operating over 1.3-2.1 μm. We recently reported the first successful demonstration of mid-IR Cr:ZnSe planar waveguide lasing at 2.6 μm under gain-switched short-pulse (5 ns) 1.56 μm excitation as well as the passive Q-switching of the cavity of a fiber-pumped Er:YAG laser operating at 1645 nm using a highly doped Cr:ZnSe thin film. PLD grown Cr:ZnSe waveguide were fabricated on sapphire substrates (Cr:ZnSe/sapphire) with chromium concentration of 1018-1019 cm-3. Further development of mid-IR lasing in the Cr:ZnSe planar waveguide under continuous wave excitation were investigated. In addition, deposition of Cr:ZnSe-based thin film structures on n-type GaAs substrates were also investigated for possible mid-IR electroluminescence.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

J. E. Willimas ; D. V. Martyshkin ; V. V. Fedorov ; I. S. Moskalev ; R. P. Camata, et al.
"Cr:ZnSe planar waveguide mid-IR laser", Proc. SPIE 7912, Solid State Lasers XX: Technology and Devices, 79121H (February 15, 2011); doi:10.1117/12.875223; http://dx.doi.org/10.1117/12.875223


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